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What are the side effects of Epivir?

Epivir has a number of side effects. Call 911 immediately if you have signs of an allergic reaction, including breathing difficulties, an itchy rash, hives or swelling in the mouth or throat or face. Serious side effects include: gastrointestinal problems, such as severe stomach pain, feeling full, nausea and vomiting; sensory issues, such as feeling pins and needles, sharp pains or tingly, burning pain or numbness in the extremities; and vestibular issues, such as unsteadiness. If you start bruising easily, become pale or develop white areas inside your mouth, see a doctor. If you develop jaundice or start producing darkened urine or clay-colored bowel movements, it may be a sign of liver damage. Other less common side effects that should be addressed by your doctor include: changes in appetite, diarrhea, fast heart rate, fever, chills, sore throat, muscle cramps, pain, feeling weak or tired and being short of breath. Each of these mentioned side effects requires medical attention and may be a sign of very serious conditions known as lactic acidosis.

You also may experience side effects that do not necessarily require medical attention. Side effects related to digestive issues include: burping, a sour stomach, heart burn, indigestion, stomach upset, cramps, mouth or canker sores and changes in appetite. Side effects related to the musculoskeletal system include: joint pain, swelling in the joints, changes in fat locations or ambulatory difficulties. Problems related to hearing include swelling or discharge from the ears. You may have emotional changes, including feelings of sadness, becoming discouraged, irritability, loss of interest or problems with your attention. You also may develop a cough, congestion, weight loss, changes in skin temperature, difficulty sleeping or strange dreams.