Emtricitabine may cause a serious and sometimes fatal condition called lactic acidosis. The risk of lactic acidosis may be greater if you are a woman, are very overweight, or have liver problems. Contact your doctor right away if you notice symptoms such as fast or difficult breathing; muscle pain or tenderness; slow or irregular heartbeat; unusual drowsiness, dizziness, or lightheadedness; unusual stomach discomfort; or unusual weakness or tiredness. Contact your doctor right away if you start to feel unusually cold or if you have a general feeling of being unwell.
Severe and sometimes fatal liver problems have been reported with this type of medicine (nucleoside analogs). Contact your doctor right away if you have dark urine; severe or persistent stomach pain or tenderness; or yellowing of the eyes or skin.
Emtricitabine is not approved to treat chronic hepatitis B virus (HBV) infection. Some patients with both HBV and HIV infection experience worsening of HBV infection after they stop taking Emtricitabine . Your doctor will check your liver function while you take Emtricitabine and for several months afterwards if you stop taking it. Be sure to keep all doctor and lab appointments. Do not stop taking Emtricitabine without checking with your doctor. Your doctor may need to prescribe other medicine if you experience worsening of your HBV infection.
Treating HIV infection. It must be used in combination with other HIV medicines. It may also be used for other conditions as determined by your doctor.
Emtricitabine is an antiviral medicine. It works by blocking a protein that helps HIV spread, which reduces HIV levels in the blood.
Contact your doctor or health care provider right away if any of these apply to you.
Some medical conditions may interact with Emtricitabine . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
Some MEDICINES MAY INTERACT with Emtricitabine . However, no specific interactions with Emtricitabine are known at this time.
Ask your health care provider if Emtricitabine may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
Use Emtricitabine as directed by your doctor. Check the label on the medicine for exact dosing instructions.
Ask your health care provider any questions you may have about how to use Emtricitabine .
All medicines may cause side effects, but many people have no, or minor side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Abnormal skin sensation; change in color of skin on palms or soles of feet; changes in body fat; cough; depression; diarrhea; dizziness; headache; indigestion; joint or muscle pain; nausea; runny nose; sleeplessness; stomach pain; vomiting; weakness or lack of energy.Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); dark urine; fast or difficult breathing; feeling unusually cold; fever, chills, or sore throat; mental or mood changes; muscle pain or tenderness; severe or persistent cough; severe or persistent stomach discomfort, pain, or tenderness; slow or irregular heartbeat; unusual tiredness or weakness; yellowing of the eyes or skin.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org), or emergency room immediately.Proper storage of Emtricitabine :
Store Emtricitabine at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Emtricitabine out of the reach of children and away from pets.
This information is a summary only. It does not contain all information about Emtricitabine . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.