Friday, July 29, 2011

Drugs for Prophylaxis in cases of AIDS

Drugs for Prophylaxis in cases of AIDS
Prophylaxis is aimed at preventing or at least delaying onset of typical infections (opportunistic infections) in the AIDS stage. It only combats the symptoms and does not cure the HIV infection, nor is it a way of halting the destruction of the immune system. The precise procedure for prophylaxis against opportunistic infections depends on the stage of the disease. Various drugs are used: e.g. Baktrim® for prophylaxis against Pneumocystis carinii pneumonia.

Post-exposure prophylaxis (b)
For several years now, medical and nursing staff exposed to to the risk of HIV infection by an injury at work – from a used syringe, for example – have been treated for two to four weeks with one or more anti-HIV drugs. This has reduced the risk of transmission by 80%. Since 1997 this "treatment" has been available in Switzerland also to persons who may have become infected through unprotected sexual contact with an HIV positive partner. But little is known at present about the effectiveness of the "treatment", except that it should be started as soon as possible, ideally within a few hours, but not later than 72 hours after the infection risk situation, otherwise the HIV will already have spread in the body. These drugs must be taken for two to four weeks and have strong side-effects. The decision to carry out PEP needs careful consideration by a doctor in a central hospital, as nothing is yet known about long-term damage through antiretroviral therapy on healthy individuals.

Your most important partner: the doctor
Have faith in your doctor. He is an expert and therefore the right partner for you. He will support you and can, where necessary, call upon well trained specialists. Naturally he is bound by the Hippocratic oath of secrecy.

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