SIDE EFFECTS: Nausea, vomiting, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, contact your doctor or pharmacist promptly. Tell your doctor immediately if any of these side effects occur: fatigue, sore throat, fever. Tell your doctor immediately if any of these unlikely but serious side effects occur: mental/mood changes, persistent or severe stomach pain, yellowing eyes or skin, dark urine. Tell your doctor immediately if any of these highly unlikely but serious side effects occur: rapid breathing, tingling or numbness of the hands or feet. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, severe dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.

PRECAUTIONS: Tell your doctor your medical history especially of: infection with HIV, kidney problems, liver problems, blood disorders, pancreas problems, alcohol use, allergies (especially drug allergies). This drug may make you dizzy; use caution engaging in activities requiring alertness such as driving or using machinery. Avoid alcoholic beverages. Liquid preparations of lamivudine may contain sugar (sucrose); caution is advised in patients with diabetes. If you are diabetic, close monitoring of your blood sugar is recommended as you begin using this drug. Ask your doctor or pharmacist for more details. Caution is advised when using this drug in children (especially in children with pancreatitis) because they may be more sensitive to the effects of this drug. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. This medication has not been shown to affect the transmission of hepatitis B from mother to infant. Consult your doctor for more information. Lamivudine passes into breast milk and may have undesirable effects on a nursing infant. Breast-feeding is not recommended while using this drug. Consult your doctor before breast-feeding.