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Emtricitabine (em-tri-SIT-uh-bean) is a type of medicine called an HIV (human immunodeficiency virus) nucleoside reverse transcriptase inhibitor (NRTI). Emtricitabine is always used with other anti-HIV medicines to treat people with HIV infection.
HIV infection destroys CD4 (T) cells, which are important to the immune system in your body. The immune system helps fight infection. After a large number of T cells are destroyed, acquired immune deficiency syndrome (AIDS) develops.
Emtricitabine helps to block HIV reverse transcriptase, a chemical in your body (enzyme) that is needed for HIV to multiply. Emtricitabine may lower the amount of HIV in your blood (viral load). Emtricitabine may also help to increase the number of T cells called CD4 cells. Lowering the amount of HIV in your blood lowers the chance of you having problems that happens when your immune system is weak.
Emtricitabine will not cure or prevent HIV infection or AIDS; however, it helps keep HIV from reproducing and appears to slow down the destruction of the immune system.
Emtricitabine will not keep you from spreading HIV to other people. People who receive this medicine may continue to have the problems usually related to AIDS or HIV disease
This medicine is available only with your doctor's prescription, in the following dosage form(s):
Before Using This Medicine
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For emtricitabine, the following should be considered:
Allergies- Tell your doctor if you have ever had any unusual or allergic reaction to emtricitabine. Also tell your doctor and pharmacist if you are allergic to any other substances, such as foods, preservatives, or dyes.
Pregnancy- Studies in pregnant women have not been done. However, emtricitabine has not been shown to cause birth defects or other problems in animal studies. Also, it is not known whether emtricitabine reduces the chances that a baby born to an HIV-infected mother will also be infected. Before taking this medicine, make sure your doctor knows if you are pregnant or if you may become pregnant.
Breast-feeding- It is not known whether emtricitabine passes into human breast milk. However, if your baby does not already have the AIDS virus, there is a chance that you could pass it to your baby by breast-feeding. Talk to your doctor first if you are thinking about breast-feeding your baby.
Children- This medicine is typically not used in patients under 18 years of age.
Older adults- Many medicines have not been studied specifically in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults or if they cause different side effects or problems in older people. Elderly patients are more likely to have other medical problems and they may take a lower dose than some younger adults.
Other medical problems- The presence of other medical problems may affect the use of emtricitabine. Make sure you tell your doctor if you have any other medical problems, especially:
Proper Use of This Medicine
The dose of emtricitabine will be different for different patients. Follow your doctor's orders or the directions on the label . The following information includes only the average doses of emtricitabine. If your dose is different, do not change it unless your doctor tells you to do so. Do not share your medicine with others.
It is important to take this medicine in combination with another anti-HIV medicine and to take it exactly as your doctor tells you to. You should take your medicine at the same time every day to avoid missing doses. It is very important that you do not miss any doses of this medicine or of your other anti-HIV medicines.
Do not take other medicines unless they have been discussed with your doctor. Tell your healthcare professional about all of the medicines and dietary supplements that you take. Keep a complete list of all the medications that you take. Make a new list when medications are added or stopped. Make sure you show this list to your doctor or pharmacist each time you have a visit or refill a prescription.
When your emtricitabine supply runs low, get more from your pharmacy or from your healthcare provider. This is very important because the amount of virus in your blood may increase if the medicine is stopped, even for a short time. The virus may develop resistance to emtricitabine and be harder to treat.
If you forget to take emtricitabine take it as soon as you remember that day. Do not take more than 1 dose of emtricitabine in a day. Do not take 2 doses at the same time. Call your healthcare provider or pharmacy if you are not sure what to do.
To store this medicine:
Precautions While Using This Medicine
It is very important that you read the patient information when you start taking this medicine and each time you get a refill. There may be new information for you.
It is very important that your doctor check you at regular visits to be sure this medicine is working properly. You should remain under the care of a doctor while taking emtricitabine.
Emtricitabine does not decrease the risk of transmitting the HIV infection to others through sexual contact or by contamination through blood. HIV may be acquired from or spread to others through infected body fluids, including blood, vaginal fluid, or semen. If you are infected, it is best to avoid any sexual activity involving an exchange of body fluids with other people. If you do have sex, always wear (or have your partner wear) a condom (****œrubber"). Only use condoms made of latex or polyurethane and use them every time you have contact with semen, vaginal secretions, or blood. Also, do not share needles or equipment with anyone or use dirty needles. If you have any questions about this, check with your health care professional.
Side Effects of This Medicine
Last updated: Tue, 06 Jan 2009 00:20:03 GMT