![]() PEP (post-exposure prophylaxis) is for people who have possibly been exposed to HIV. PrEP (pre-exposure prophylaxis) is for people who don't already have HIV but are at very high risk of getting it. HIV medicines are not just used for treatment. In some cases, your provider may decide to change your medicines. There may be steps you can take to help manage the side effects. Don't stop taking your medicine without first talking to your provider. Tell your provider about any side effects that you are having. Most of these side effects are manageable, but a few can be serious. If you miss doses or don't follow a regular schedule, your treatment may not work, and the HIV virus may become resistant to the medicines. It's important to take your medicines every day, according to the instructions from your provider. How many medicines you will need to take every day. ![]() Potential drug interactions with any other medicines you take.The possible side effects of HIV medicines.This plan will be based on many factors, including: You and your health care provider will work together to come up with a personal treatment plan. What else do I need to know about taking HIV medicines? Have an early HIV infection (the first 6 months after infection with HIV).Have certain HIV-related illnesses and infections.It's important to start taking HIV medicines as soon as possible after your diagnosis, especially if you: When do I need to start taking HIV medicines? There are also multidrug combinations, which include a combination of two or more different types of HIV medicines. This allows that medicine to stay in the body longer at a higher concentration. They work by slowing the breakdown of the other medicine. Pharmacokinetic enhancers increase the effectiveness of the other medicine. They are sometimes taken along with certain other HIV medicines. Pharmacokinetic enhancers are another type of medicine. This prevents HIV from entering the cell. Attachment inhibitors bind to a specific protein on the outer surface of HIV.Blocking either of these molecules prevents HIV from entering the cells. To infect a cell, HIV has to bind to two types of molecules on the cell's surface. CCR5 antagonists and post-attachment inhibitors block different molecules on the CD4 cells.Fusion inhibitors block HIV from entering the cells.Some types of HIV medicines interfere with HIV's ability to infect CD4 immune system cells: ![]() Protease inhibitors (PIs) block an enzyme called protease.Integrase inhibitors, also called integrase strand transfer inhibitors (INSTIs), block an enzyme called integrase.Non-nucleoside reverse transcriptase inhibitors (NNRTIs) bind to and later change reverse transcriptase.Nucleoside reverse transcriptase inhibitors (NRTIs) block an enzyme called reverse transcriptase.This prevents HIV from copying itself, which reduces the amount of HIV in the body. Some work by blocking or changing enzymes that HIV needs to make copies of itself. There are many different types (called classes) of HIV medicines. Reducing the risk that you will spread HIV to others.Even though there is still some HIV in your body, your immune system should be strong enough to fight off infections and certain HIV-related cancers. Giving your immune system a chance to recover. ![]() HIV medicines reduce the amount of HIV (viral load) in your body, which helps by: They also reduce the risk of spreading the virus to others. The medicines do not cure HIV infection, but help people with HIV live longer, healthier lives. ART is recommended for everyone who has HIV. It involves taking a combination of medicines every day. The treatment of HIV with medicines is called antiretroviral therapy (ART). It is the final stage of infection with HIV. AIDS stands for acquired immunodeficiency syndrome. Without treatment, HIV can gradually destroy the immune system and advance to AIDS. The loss of these cells makes it hard for your body to fight off infections and certain HIV-related cancers. These are a type of white blood cells that fight infection. It harms your immune system by destroying CD4 cells. HIV stands for human immunodeficiency virus. ![]()
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