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HIV and AIDS: Antiretroviral Drugs, Treatments and Medications »
Entry Inhibitors
Entry inhibitors block HIV entry into CD4+ cells.
Fusion inhibitors
The only drug in this class is T-20, which is administered as a twice daily subcutaneous injection. The most common side effect is redness and pain at the site of injection. Rarely, infection can occur at the injection site. There also are reports of generalized allergic reactions.
CCR5 antagonist
Although there were some early concerns of liver inflammation for drugs in this class, MVC appeared to be well tolerated in clinical trials without any specific toxicities attributable to the drug. However, it is a new drug in a new class and the first to actually target the cell. For these reasons, longer follow-up from clinical trials and those followed in the clinic will be very important for assessing the overall safety of the...
Read the HIV and AIDS: Antiretroviral Drugs, Treatments and Medications article »
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Emtricitabine and tenofovir are antiviral drugs that work by preventing HIV (human immunodeficiency virus) cells from multiplying in the body.
The combination of emtricitabine and tenofovir is used to treat HIV, which causes acquired immunodeficiency syndrome (AIDS). Emtricitabine and tenofovir is not a cure for HIV or AIDS.
Emtricitabine and tenofovir may also be used for other purposes not listed in this medication guide.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
This medication may cause lactic acidosis (a build-up of lactic acid in the body, which can be fatal). Lactic acidosis can start slowly and get worse over time. Get emergency medical help if you have even mild symptoms of lactic acidosis, such as:
Call your doctor at once if you have any of these other serious side effects:
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
You should not take this medication if you are allergic to emtricitabine (Emtriva) or tenofovir (Viread).
Do not take this medication with other medicines that also contain emtricitabine or tenofovir (Atripla, Emtriva, Viread), or lamivudine (Combivir, Epivir, Epzicom, or Trizivir).
Some people have developed a life-threatening condition called lactic acidosis while taking emtricitabine and tenofovir. Early signs of lactic acidosis generally get worse over time and this condition can be fatal. Get emergency medical help if you have even mild symptoms of lactic acidosis, such as: muscle pain or weakness, numb or cold feeling in your arms and legs, trouble breathing, stomach pain, nausea with vomiting, slow or uneven heart rate, dizziness, or feeling very weak or tired.
Emtricitabine and tenofovir can cause severe or fatal liver problems. Call your doctor at once if you have symptoms such as nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, or jaundice (yellowing of the skin or eyes).
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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