Inflammatory Arthritis - RA

Rheumatic Diseases

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Rheumatic diseases are characterized by inflammation (signs are redness and/or heat, swelling, and pain) and loss of function of one or more connecting or supporting structures of the body. They especially affect joints, tendons, ligaments, bones, and muscles. Common symptoms are pain, swelling, and stiffness. Some rheumatic diseases can also involve internal organs. There are more than 100 rheumatic diseases.

Many people use the word "arthritis" to refer to all rheumatic diseases. However, the word literally means joint inflammation. The many different kinds of arthritis comprise just a portion of the rheumatic diseases. Some rheumatic diseases are described as connective tissue diseases because they affect the supporting framework of the body and its internal organs. Others are known as autoimmune diseases because they occur when the immune system, which normally protects the body from infection and disease, harms the body's own healthy tissues. Throughout this fact sheet the terms "arthritis" and "rheumatic diseases" are sometimes used interchangeably.

Examples of Rheumatic Diseases

  • Osteoarthritis--This is the most common type of arthritis, affecting an estimated 21 million adults in the United States. Osteoarthritis primarily affects cartilage, which is the tissue that cushions the ends of bones within the joint. In osteoarthritis, the cartilage begins to fray and may entirely wear away. Osteoarthritis can cause joint pain and stiffness. Disability results most often when the disease affects the spine and the weight-bearing joints (the knees and hips).
  • Rheumatoid arthritis--This inflammatory disease of the synovium, or lining of the joint, results in pain, stiffness, swelling, joint damage, and loss of function of the joints. Inflammation most often affects joints of the hands and feet and tends to be symmetrical (occurring equally on both sides of the body). This symmetry helps distinguish rheumatoid arthritis from other forms of the disease. About 1 percent of the U.S. population (about 2.1 million people) has rheumatoid arthritis.
  • Juvenile rheumatoid arthritis--This is the most common form of arthritis in childhood, causing pain, stiffness, swelling, and loss of function of the joints. The arthritis may be associated with rashes or fevers, and may affect various parts of the body.
  • Fibromyalgia--Fibromyalgia is a chronic disorder that causes pain throughout the tissues that support and move the bones and joints. Pain, stiffness, and localized tender points occur in the muscles and tendons, particularly those of the neck, spine, shoulders, and hips. Patients may also experience fatigue and sleep disturbances.
  • Systemic lupus erythematosus--Systemic lupus erythematosus (also known as lupus or SLE) is an autoimmune disease in which the immune system harms the body's own healthy cells and tissues. This can result in inflammation of and damage to the joints, skin, kidneys, heart, lungs, blood vessels, and brain.
  • Scleroderma--Also known as systemic sclerosis, scleroderma means literally "hard skin." The disease affects the skin, blood vessels, and joints. It may also affect internal organs, such as the lungs and kidneys. In scleroderma, there is an abnormal and excessive production of collagen (a fiber-like protein) in the skin or internal organs.
  • Spondyloarthropathies--This group of rheumatic diseases principally affects the spine. One common form--ankylosing spondylitis--not only affects the spine, but may also affect the hips, shoulders, and knees as the tendons and ligaments around the bones and joints become inflamed, resulting in pain and stiffness. Ankylosing spondylitis tends to affect people in late adolescence or early adulthood. Reactive arthritis, sometimes called Reiter's syndrome, is another spondyloarthropathy. It develops after an infection involving the lower urinary tract, bowel, or other organ and is commonly associated with eye problems, skin rashes, and mouth sores.
  • Gout--This type of arthritis results from deposits of needle-like crystals of uric acid in the joints. The crystals cause inflammation, swelling, and pain in the affected joint, which is often the big toe.
  • Infectious arthritis--This is a general term used to describe forms of arthritis that are caused by infectious agents, such as bacteria or viruses. Parvovirus arthritis and gonococcal arthritis are examples of infectious arthritis. Arthritis symptoms may also occur in Lyme disease, which is caused by a bacterial infection following the bite of certain ticks. In those cases of arthritis caused by bacteria, early diagnosis and treatment with antibiotics are crucial to get rid of the infection and minimize damage to the joints.
  • Polymyalgia rheumatica--Because this disease involves tendons, muscles, ligaments, and tissues around the joint, symptoms often include pain, aching, and morning stiffness in the shoulders, hips, neck, and lower back. It is sometimes the first sign of giant cell arteritis, a disease of the arteries characterized by inflammation, weakness, weight loss, and fever.
  • Polymyositis--This is a rheumatic disease that causes inflammation and weakness in the muscles. The disease may affect the whole body and cause disability.
  • Psoriatic arthritis--This form of arthritis occurs in some patients with psoriasis, a scaling skin disorder. Psoriatic arthritis often affects the joints at the ends of the fingers and toes and is accompanied by changes in the fingernails and toenails. Back pain may occur if the spine is involved.
  • Bursitis--This condition involves inflammation of the bursae, small, fluid-filled sacs that help reduce friction between bones and other moving structures in the joints. The inflammation may result from arthritis in the joint or injury or infection of the bursae. Bursitis produces pain and tenderness and may limit the movement of nearby joints.
  • Tendinitis (Tendonitis)--This condition refers to inflammation of tendons (tough cords of tissue that connect muscle to bone) caused by overuse, injury, or a rheumatic condition. Tendinitis produces pain and tenderness and may restrict movement of nearby joints.

What Causes Rheumatic Disease?

Scientists are studying risk factors that increase the likelihood of developing a rheumatic disease. Some of these factors have been identified. For example, in osteoarthritis, inherited cartilage weakness or excessive stress on the joint from repeated injury may play a role. In lupus, rheumatoid arthritis, and scleroderma, the combination of genetic factors that determine susceptibility and environmental triggers are believed to be important. Family history also plays a role in some diseases such as gout and ankylosing spondylitis.

Gender is another factor in some rheumatic diseases. Lupus, rheumatoid arthritis, scleroderma, and fibromyalgia are more common among women. (See next section for details.) This indicates that hormones or other male-female differences may play a role in the development of these conditions.

Who Is Affected by Arthritis and Rheumatic Conditions?

An estimated 43 million people in the United States have arthritis or other rheumatic conditions. By the year 2020, this number is expected to reach 60 million. Rheumatic diseases are the leading cause of disability among adults age 65 and older.

Rheumatic diseases affect people of all races and ages. Some rheumatic conditions are more common among certain populations. For example:

  • Rheumatoid arthritis occurs two to three times more often in women than in men.
  • Scleroderma is more common in women than in men.
  • Nine out of 10 people who have lupus are women.
  • Nine out of 10 people who have fibromyalgia are women.
  • Gout is more common in men than in women.
  • Lupus is three times more common in African American women than in Caucasian women.
  • Ankylosing spondylitis is more common in men than in women.

What Are the Symptoms of Arthritis?

Different types of arthritis have different symptoms. In general, people who have arthritis feel pain and stiffness in the joints. Some of the more common symptoms are listed in the box. Early diagnosis and treatment help decrease further joint damage and help control symptoms of arthritis and many other rheumatic diseases.

Common Symptoms of Arthritis: 1) Swelling in one or more joints. 2)Stiffness around the joints that lasts for at least 1 hour in the early morning. 3) Constant or recurring pain or tenderness in a joint. 4) Difficulty using or moving a joint normally. 5) Warmth and redness in a joint.

How Are Rheumatic Diseases Diagnosed?

Diagnosing rheumatic diseases can be difficult because some symptoms and signs are common to many different diseases. A general practitioner or family doctor may be able to evaluate a patient or refer him or her to a rheumatologist (a doctor who specializes in treating arthritis and other rheumatic diseases).

The doctor will review the patient's medical history, conduct a physical examination, and obtain laboratory tests and x rays or other imaging tests. The doctor may need to see the patient more than once to make an accurate diagnosis.

Medical History

It is vital for people with joint pain to give the doctor a complete medical history. Answers to the following questions will help the doctor make an accurate diagnosis:

  • Is the pain in one or more joints?
  • When does the pain occur?
  • How long does the pain last?
  • When did you first notice the pain?
  • What were you doing when you first noticed the pain?
  • Does activity make the pain better or worse?
  • Have you had any illnesses or accidents that may account for the pain?
  • Is there a family history of any arthritis or other rheumatic disease?
  • What medicine(s) are you taking?

Because rheumatic diseases are so diverse and sometimes involve several parts of the body, the doctor may ask many other questions.

It may be helpful for people to keep a daily journal that describes the pain. Patients should write down what the affected joint looks like, how it feels, how long the pain lasts, and what they were doing when the pain started.

Physical Examination and Laboratory Tests

The doctor will examine the patient's joints for redness, warmth, damage, ease of movement, and tenderness. Because some forms of arthritis, such as lupus, may affect other organs, a complete physical examination that includes the heart, lungs, abdomen, nervous system, eyes, ears, and throat may be necessary. The doctor may order some laboratory tests to help confirm a diagnosis. Samples of blood, urine, or synovial fluid (lubricating fluid found in the joint) may be needed for the tests.

Common laboratory tests and procedures include the following:

Antinuclear antibody (ANA)--This test checks blood levels of antibodies that are often present in people who have connective tissue diseases or other autoimmune disorders, such as lupus. Since the antibodies react with material in the cell's nucleus (control center), they are referred to as antinuclear antibodies. There are also tests for individual types of ANAs that may be more specific to people with certain autoimmune disorders. ANAs are also sometimes found in people who do not have an autoimmune disorder. Therefore, having ANAs in the blood does not necessarily mean that a person has a disease.

C-reactive protein test--This is a nonspecific test used to detect generalized inflammation. Levels of the protein are often increased in patients with active disease such as rheumatoid arthritis, and may decline when corticosteroids or nonsteroidal anti-inflammatory drugs (NSAIDs) are used to reduce inflammation.

Complement--This test measures the level of complement, a group of proteins in the blood. Complement helps destroy foreign substances, such as germs, that enter the body. A low blood level of complement is common in people who have active lupus.

Complete blood count (CBC)--This test determines the number of white blood cells, red blood cells, and platelets present in a sample of blood. Some rheumatic conditions or drugs used to treat arthritis are associated with a low white blood count (leukopenia), low red blood count (anemia), or low platelet count (thrombocytopenia). When doctors prescribe medications that affect the CBC, they periodically test the patient's blood.

Creatinine--This blood test is commonly ordered in patients who have a rheumatic disease, such as lupus, to monitor for underlying kidney disease. Creatinine is a breakdown product of creatine, which is an important component of muscle. It is excreted from the body entirely by the kidneys, and the level remains constant and normal when kidney function is normal.

Erythrocyte sedimentation rate (sed rate)--This blood test is used to detect inflammation in the body. Higher sed rates indicate the presence of inflammation and are typical of many forms of arthritis, such as rheumatoid arthritis and ankylosing spondylitis, and many of the connective tissue diseases.

Hematocrit (PCV, packed cell volume)--This test and the test for hemoglobin (a substance in the red blood cells that carries oxygen throughout the body) measure the number of red blood cells present in a sample of blood. A decrease in the number of red blood cells (anemia) is common in people who have inflammatory arthritis or another rheumatic disease.

Rheumatoid factor--This test detects the presence of rheumatoid factor, an antibody found in the blood of most (but not all) people who have rheumatoid arthritis. Rheumatoid factor may be found in many diseases besides rheumatoid arthritis, and sometimes in people without health problems.

Synovial fluid examination--Synovial fluid may be examined for white blood cells (found in patients with rheumatoid arthritis and infections), bacteria or viruses (found in patients with infectious arthritis), or crystals in the joint (found in patients with gout or other types of crystal-induced arthritis). To obtain a specimen, the doctor injects a local anesthetic, then inserts a needle into the joint to withdraw the synovial fluid into a syringe. The procedure is called arthrocentesis or joint aspiration.

Urinalysis--In this test, a urine sample is studied for protein, red blood cells, white blood cells, and bacteria. These abnormalities may indicate kidney disease, which may be seen in several rheumatic diseases, including lupus. Some medications used to treat arthritis can also cause abnormal findings on urinalysis.

White blood cell count (WBC)--This test determines the number of white blood cells present in a sample of blood. The number may increase as a result of infection or decrease in response to certain medications or in certain diseases, such as lupus. Low numbers of white blood cells increase a person's risk of infections.

X Rays and Other Imaging Procedures

To see what the joint looks like inside, the doctor may order x rays or other imaging procedures. X rays provide an image of the bones, but they do not show cartilage, muscles, and ligaments. Other noninvasive imaging methods such as computed tomography (CT or CAT scan), magnetic resonance imaging (MRI), and arthrography show the whole joint. The doctor may look for damage to a joint by using an arthroscope, a small, flexible tube which is inserted through a small incision at the joint and which transmits the image of the inside of a joint to a video screen.

What Are the Treatments?

Treatments for rheumatic diseases include rest and relaxation, exercise, proper diet, medication, and instruction about the proper use of joints and ways to conserve energy. Other treatments include the use of pain relief methods and assistive devices, such as splints or braces. In severe cases, surgery may be necessary. The doctor and the patient work together to develop a treatment plan that helps the patient maintain or improve his or her lifestyle. Treatment plans usually combine several types of treatment and vary depending on the rheumatic condition and the patient.

Rest, Exercise, and Diet

People who have a rheumatic disease should develop a comfortable balance between rest and activity. One sign of many rheumatic conditions is fatigue. Patients must pay attention to signals from their bodies. For example, when experiencing pain or fatigue, it is important to take a break and rest. Too much rest, however, may cause muscles and joints to become stiff.

People with a rheumatic disease such as arthritis can participate in a variety of sports and exercise programs. Physical exercise can reduce joint pain and stiffness and increase flexibility, muscle strength, and endurance. It also helps with weight reduction and contributes to an improved sense of well-being. Before starting any exercise program, people with arthritis should talk with their doctor. Exercises that doctors often recommend include:

  • Range-of-motion exercises (e.g., stretching, dance) to help maintain normal joint movement, maintain or increase flexibility, and relieve stiffness.
  • Strengthening exercises (e.g., weight lifting) to maintain or increase muscle strength. Strong muscles help support and protect joints affected by arthritis.
  • Aerobic or endurance exercises (e.g., walking, bicycle riding) to improve cardiovascular fitness, help control weight, and improve overall well-being. Studies show that aerobic exercise can also reduce inflammation in some joints.

Another important part of a treatment program is a well-balanced diet. Along with exercise, a well-balanced diet helps people manage their body weight and stay healthy. Weight control is important to people who have arthritis because extra weight puts extra pressure on some joints and can aggravate many types of arthritis. Diet is especially important for people who have gout. People with gout should avoid alcohol and foods that are high in purines, such as organ meats (liver, kidney), sardines, anchovies, and gravy.

Medications

A variety of medications are used to treat rheumatic diseases. The type of medication depends on the rheumatic disease and on the individual patient. The medications used to treat most rheumatic diseases do not provide a cure, but rather limit the symptoms of the disease. Infectious arthritis and gout are exceptions if medications are used properly. Another example is Lyme disease, caused by the bite of certain ticks, where symptoms of arthritis may be prevented or may disappear if the infection is caught early and treated with antibiotics.

Medications commonly used to treat rheumatic diseases provide relief from pain and inflammation. In some cases, the medication may slow the course of the disease and prevent further damage to joints or other parts of the body.

The doctor may delay using medications until a definite diagnosis is made because medications can hide important symptoms (such as fever and swelling) and thereby interfere with diagnosis. Patients taking any medication, either prescription or over-the-counter, should always follow the doctor's instructions. The doctor should be notified immediately if the medicine is making the symptoms worse or causing other problems, such as an upset stomach, nausea, or headache. The doctor may be able to change the dosage or medicine to reduce these side effects.

Analgesics (pain relievers) such as acetaminophen (Tylenol)* and nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen are used to reduce the pain caused by many rheumatic conditions. NSAIDs have the added benefit of decreasing the inflammation associated with arthritis. A common side effect of NSAIDs is stomach irritation, which can often be reduced by changing the dosage or medication. New NSAIDs, including celecoxib (Celebrex) and rofecoxib (Vioxx), were introduced to reduce gastrointestinal side effects and offer additional options for treatment. However, even new medications are occasionally associated with reactions ranging from mild to severe, and their long-term effects are still being studied. The dosage will vary depending on the particular illness and the overall health of the patient. The doctor and patient must work together to determine which analgesic to use and the appropriate amount. If analgesics do not ease the pain, the doctor may use other medications.

Depending on the type of arthritis, a person may be asked to take a disease-modifying antirheumatic drug (DMARD). This category includes several unrelated medications that are intended to slow or prevent damage to the joint and thereby prevent disability and discomfort. DMARDs include methotrexate, sulfasalazine, and leflunomide (Arava).

Biological response modifiers are new drugs used for the treatment of rheumatoid arthritis. They can help reduce inflammation and structural damage of the joints by blocking the reaction of a substance called tumor necrosis factor, a protein involved in immune system response. These drugs include etanercept (Enbrel), infliximab (Remicade), and anakinra (Kineret).

Corticosteroids, such as prednisone, cortisone, solumedrol, and hydrocortisone, are used to treat many rheumatic conditions because they decrease inflammation and suppress the immune system. The dosage of these medications will vary depending on the diagnosis and the patient. Again, the patient and doctor must work together to determine the right amount of medication.

Corticosteroids can be given by mouth, in creams applied to the skin, or by injection. Short-term side effects of corticosteroids include swelling, increased appetite, weight gain, and emotional ups and downs. These side effects generally stop when the drug is stopped. It can be dangerous to stop taking corticosteroids suddenly, so it is very important that the doctor and patient work together when changing the corticosteroid dose. Side effects that may occur after long-term use of corticosteroids include stretch marks, excessive hair growth, osteoporosis, high blood pressure, damage to the arteries, high blood sugar, infections, and cataracts.

Hyaluronic acid products like Hyalgan and Synvisc mimic a naturally occurring body substance that lubricates the knee joint. They are usually injected directly into the joint to help provide temporary relief of pain and flexible joint movement.

Devices Used in Treatment

Transcutaneous electrical nerve stimulation (TENS) has been found effective in modifying pain perception. TENS blocks pain messages to the brain with a small device that directs mild electric pulses to nerve endings that lie beneath the painful area of the skin.

A blood-filtering device called the Prosorba Column is used in some health care facilities for filtering out harmful antibodies in people with severe rheumatoid arthritis.

Heat and Cold Therapies

Heat and cold can both be used to reduce the pain and inflammation of arthritis. The patient and doctor can determine which one works best.

Heat therapy increases blood flow, tolerance for pain, and flexibility. Heat therapy can involve treatment with paraffin wax, microwaves, ultrasound, or moist heat. Physical therapists are needed for some of these therapies, such as microwave or ultrasound therapy, but patients can apply moist heat themselves. Some ways to apply moist heat include placing warm towels or hot packs on the inflamed joint or taking a warm bath or shower.

Cold therapy numbs the nerves around the joint (which reduces pain) and may relieve inflammation and muscle spasms. Cold therapy can involve cold packs, ice massage, soaking in cold water, or over-the-counter sprays and ointments that cool the skin and joints.

Capsaicin cream is a preparation put on the skin to relieve joint or muscle pain when only one or two joints are involved.

Hydrotherapy, Mobilization Therapy, and Relaxation Therapy

Hydrotherapy involves exercising or relaxing in warm water. The water takes some weight off painful joints, making it easier to exercise. It helps relax tense muscles and relieve pain.

Mobilization therapies include traction (gentle, steady pulling), massage, and manipulation. (Someone other than the patient moves stiff joints through their normal range of motion.) When done by a trained professional, these methods can help control pain, increase joint motion, and improve muscle and tendon flexibility.

Relaxation therapy helps reduce pain by teaching people various ways to release muscle tension throughout the body. In one method of relaxation therapy, known as progressive relaxation, the patient tightens a muscle group and then slowly releases the tension. Doctors and physical therapists can teach patients a variety of relaxation techniques.

Assistive Devices

The most common assistive devices for treating arthritis pain are splints and braces, which are used to support weakened joints or allow them to rest. Some of these devices prevent the joint from moving; others allow some movement. A splint or brace should be used only when recommended by a doctor or therapist, who will show the patient the correct way to put the device on, ensure that it fits properly, and explain when and for how long it should be worn. The incorrect use of a splint or brace can cause joint damage, stiffness, and pain.

A person with arthritis can use other kinds of devices to ease the pain. For example, the use of a cane when walking can reduce some of the weight placed on a knee or hip affected by arthritis. A shoe insert (orthotic) can ease the pain of walking caused by arthritis of the foot or knee. Other devices can help with activities such as opening jars, closing zippers, and holding pencils.

Surgery

Surgery may be required to repair damage to a joint after injury or to restore function or relieve pain in a joint damaged by arthritis. The doctor may recommend arthroscopic surgery, bone fusion (surgery in which bones in the joint are fused or joined together), or arthroplasty (also known as total joint replacement, in which the damaged joint is removed and replaced with an artificial one).

Nutritional Supplements

Nutritional supplements are often reported as helpful in treating rheumatic diseases. These include products such as S-adenosylmethionine (SAM-e) for osteoarthritis and fibromyalgia, dehydroepiandrosterone (DHEA) for lupus, and glucosamine and chondroitin sulfate for osteoarthritis. Reports on the safety and effectiveness of these products should be viewed with caution since very few claims have been carefully evaluated.

Myths About Treating Arthritis

At this time, the only type of arthritis that can be cured is that caused by infections. Although symptoms of other types of arthritis can be effectively managed with rest, exercise, and medication, there are no cures. Some people claim to have been cured by treatment with herbs, oils, chemicals, special diets, radiation, or other products. However, there is no scientific evidence that such treatments cure arthritis. Moreover, some may lead to serious side effects. Patients should talk to their doctor before using any therapy that has not been prescribed or recommended by the health care team caring for the patient.

Work With Your Doctor To Limit Your Pain

The role you play in planning your treatment is very important. It is vital for you to have a good relationship with your doctor in order to work together. You should not be afraid to ask questions about your condition or treatment. You must understand the treatment plan and tell the doctor whether or not it is helping you. Research has shown that patients who are well informed and participate actively in their own care experience less pain and make fewer visits to the doctor.

What Can Be Done To Help?

Studies show that an estimated 18 percent of Americans who have arthritis or other rheumatic conditions believe that their condition limits their activities. People with arthritis may find that they can no longer participate in some of their favorite activities, which can affect their overall well-being. Even when arthritis impairs only one joint, a person may have to change many daily activities to protect that joint from further damage and reduce pain. When arthritis affects the entire body, as it does in people with rheumatoid arthritis or fibromyalgia, many daily activities have to be changed to deal with pain, fatigue, and other symptoms.

Changes in the home may help a person with chronic arthritis continue to live safely, productively, and with less pain. People with arthritis may become weak, lose their balance, or fall. In the bathroom, installing grab bars in the tub or shower and by the toilet, placing a secure seat in the tub, and raising the height of the toilet seat can help. Special kitchen utensils can accommodate hands affected by arthritis to make meal preparation easier. An occupational therapist can help people who have rheumatic conditions identify and make adjustments in their homes to create a safer, more comfortable, and more efficient environment.

Friends and family members can help a patient with a rheumatic condition by learning about that condition and understanding how it affects the patient's life. Friends and family can provide emotional and physical assistance. Their support, as well as support from other people who have the same disease, can make it easier to cope. The Arthritis Foundation has a wealth of information to help people with arthritis

 Sjogrens Syndrome:

In the early 20th century, Swedish physician Henrik Sjögren (SHOW-gren) first described a group of women whose chronic arthritis was accompanied by dry eyes and dry mouth. Patients complain of irritation, a gritty feeling or painful burning in the eyes. Eyelids may stick together and patients may complain of mouth dryness. Food is difficult to chew and swallow. About half of Sjögrens syndrome patients also have rheumatoid arthritis or other connective tissue disease.

CAUSE

Sjögrens syndrome is a disorder of the immune system, which normally functions to protect the body against cancers and invading infections. The several factors involved include genetic, immunologic, hormonal, and probably infectious. People with this disease have abnormal proteins in their blood that suggest that their immune system is reacting against their own tissue. The decreased production of tears and saliva is caused when the glands that produce these fluids are damaged. These glands are attacked by immune cells called lymphocytes. In a small number of people, Sjögrens syndrome is associated with lymphoma, a form of cancer.

HEALTH IMPACT

  • Between 1 and 4 million Americans have Sjogrens syndrome.
  • It occurs 10 times more often in women than in men.
  • Onset can occur at any age, but usually between 45 and 55.

DIAGNOSIS

Sjogrens syndrome is diagnosed by blood tests, a decrease in tear and saliva production, X-rays of salivary glands, and lip biopsy.

TREATMENT

Treatment depends on symptoms. No treatment, however, has yet been found to restore glandular secretions. Ocular dryness responds to the use of artificial tears applied every one to three hours. Dry mouth can be relieved by drinking water, chewing gum, or using saliva stimulants (such as pilocarpine). For life threatening complications, medications such as corticosteroids and cyclophosphamide are occasionally needed.