Generic Name: emtricitabine (EM-trye-SYE-ta-been)
Brand Name: Emtriva
Severe and sometimes fatal lactic acidosis (a buildup of lactic acid in the blood) and liver problems have occurred with this type of medicine. The risk may be greater in women, patients who are very overweight, or patients who have been taking nucleoside medicines (eg, emtricitabine, tenofovir) for a long time.
Tell your doctor right away if you develop symptoms of lactic acidosis (eg, unusual weakness or tiredness; unusual muscle pain; fast or difficult breathing; stomach pain with nausea and vomiting; feeling cold, especially in the arms and legs; dizziness or light-headedness; fast or irregular heartbeat). Tell your doctor right away if you develop symptoms of liver problems (eg, yellowing of the skin or eyes, dark urine, pale stools, persistent loss of appetite, nausea, stomach pain).
Emtriva is not approved to treat hepatitis B virus (HBV) infection. The safety and effectiveness of Emtriva in patients who have both HBV and HIV infection have not been confirmed. Some patients with both HBV and HIV infection experience worsening of HBV infection after they stop taking Emtriva. Patients who have both HBV and HIV infection need close medical follow-up to check for worsening liver problems for at least several months after they stop Emtriva. Keep all doctor and lab appointments. Do not stop taking Emtriva without checking with your doctor. Your doctor may need to prescribe other medicine if you experience worsening of your HBV infection.
Emtriva is used for:
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.
Emtriva is a nucleoside reverse transcriptase inhibitor (NRTI). It works by blocking the growth of HIV.
Do NOT use Emtriva if:
- you are allergic to any ingredient in Emtriva
- you are taking other medicines that contain emtricitabine or lamivudine
Contact your doctor or health care provider right away if any of these apply to you.
Before using Emtriva:
Some medical conditions may interact with Emtriva. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have a history of lactic acidosis, or abnormal liver function tests or liver problems, including HBV infection
- if you have kidney problems or if you are very overweight
Some MEDICINES MAY INTERACT with Emtriva. However, no specific interactions with Emtriva are known at this time.
Ask your health care provider if Emtriva 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.
How to use Emtriva:
Use Emtriva as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- An extra patient leaflet is available with Emtriva. Talk to your pharmacist if you have questions about this information.
- Take Emtriva by mouth with or without food.
- Do not suddenly stop taking Emtriva without checking with your doctor. This may cause the virus to become less sensitive to this or other medicines. Some conditions (eg, hepatitis B) could become worse if you suddenly stop taking Emtriva.
- Taking Emtriva at the same time each day will help you remember to take it.
- Continue to take Emtriva even if you feel well. Do not miss any doses.
- If you miss a dose of Emtriva, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take more than 1 dose in a day. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Emtriva.
Important safety information:
- Emtriva may cause dizziness. This effect may be worse if you take it with alcohol or certain medicines. Use Emtriva with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- You should be tested for HBV infection before you start to take Emtriva.
- Do NOT take more than the recommended dose, change your dose, or stop taking Emtriva without checking with your doctor.
- Changes in body fat (eg, an increased amount of fat in the upper back, neck, breast, and trunk, and loss of fat from the legs, arms, and face) may occur in some patients taking medicines for HIV. The cause and long-term effects of these changes are unknown. Discuss any concerns with your doctor.
- Emtriva may improve immune system function. This may reveal hidden infections in some patients. Tell your doctor right away if you notice symptoms of infection (eg, fever, sore throat, weakness, cough, shortness of breath) after you start Emtriva.
- When your medicine supply is low, get more from your doctor or pharmacist as soon as you can. Do not stop taking Emtriva (or other HIV medicines), even for a short period of time. If you do, the virus may grow resistant to the medicine and become harder to treat.
- Tell your doctor or dentist that you take Emtriva before you receive any medical or dental care, emergency care, or surgery.
- Emtriva is not a cure for HIV infection. Patients may still get illnesses and infections associated with HIV. Remain under the care of your doctor.
- Emtriva does not stop the spread of HIV to others through blood or sexual contact. Do not have any kind of sex without protection (eg, latex or polyurethane condoms) if you have HIV infection. Do not share needles, injection supplies, or items like toothbrushes or razors. Talk with your health care provider about ways to prevent the spread of HIV to others.
- Lab tests, including liver and kidney function, may be performed while you use Emtriva. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- Emtriva should be used with extreme caution in CHILDREN younger than 3 months old; safety and effectiveness in these children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Emtriva while you are pregnant. Emtriva is found in breast milk. Do not breast-feed while taking Emtriva. Mothers infected with HIV should not breast-feed. There is a risk of passing the HIV infection or Emtriva to the baby.
Possible side effects of Emtriva:
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:
Seek medical attention right away if any of these SEVERE side effects occur:
Abnormal dreams; cough; darkened skin color on the palms of the hands or soles of the feet; diarrhea; dizziness; headache; indigestion; joint pain; mild stomach pain; nausea; nose or throat irritation; runny or stuffy nose; tiredness; trouble sleeping; vomiting; weakness.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); burning, numbness, or tingling; depression; ear pain or drainage; fever, chills, or persistent sore throat; severe or persistent cough; severe or persistent nausea or vomiting; severe or persistent stomach discomfort, pain, or tenderness; symptoms of lactic acidosis (eg, unusual weakness or tiredness; unusual muscle pain; fast or difficult breathing; stomach pain with nausea and vomiting; feeling cold, especially in the arms and legs; dizziness or light-headedness; fast or irregular heartbeat); symptoms of liver problems (eg, dark urine, pale stools, persistent loss of appetite, yellowing of the eyes or skin); unusual drowsiness.
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. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.Proper storage of Emtriva:
Store Emtriva at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Do not use Emtriva if it is past the expiration date on the bottle. Keep Emtriva out of the reach of children and away from pets.
- If you have any questions about Emtriva, please talk with your doctor, pharmacist, or other health care provider.
- Emtriva is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take Emtriva or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Emtriva. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Emtriva. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Emtriva.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.
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- Drug class: nucleoside reverse transcriptase inhibitors (NRTIs)