Question

How is Hiv  Treatment ?

Dr.Vinod Raina · Accepted Answer

Hiv treatment is done by antiviral drugs, there are a number of antiviral drugs available in the market, usually HIV is treated with a combination of drugs, usually two to three drugs are used in treating HIV in the initial stage, we can change the combination of drugs according to the requirement of the patient. Drugs can be adjusted or increased if there is the resistance of HIV in the patient.

There are a number of compounds (about 22 in number) which have been formally approved (by us food and drug administration) for the treatment of HIV infections (aids). According to their point of intervention with the HIV replicative cycle, these compounds can be classified into 5 categories: (1) nrtis (nucleoside reverse transcriptase inhibitors): azidothymidine, didanosine, zalcitabine, stavudine, lamivudine, abacavir and emtricitabine; (2) ntrtis (nucleotide reverse transcriptase inhibitors): tenofovir, administered as its oral prodrug form tdf (tenofovir disoproxil fumarate); (3) nnrtis (non-nucleoside reverse transcriptase inhibitors): nevirapine, delavirdine and efavirenz; (4) pis (hiv protease inhibitors): saquinavir, ritonavir, indinavir, nelfinavir, amprenavir, lopinavir, atazanavir, fosamprenavir, tipranavir and darunavir; and (5) fis (fusion inhibitors): enfuvirtide. Starting from the drugs which are currently available for the treatment of aids, numerous combinations could be envisaged. Drug combinations are, in principle, aimed at obtaining synergism between the compounds (reasonably expected if they act by different mechanisms), while reducing the likelihood of drug resistance development. Such anti-hiv drug combination regimes were initiated about 10 years ago and have been generally referred to as haart (for highly active antiretroviral therapy). While haart originally consisted of a pill burden of twenty (or more) pills per day, this has been gradually diminished over the past few years, and, since July 2006, an all-in-one pill (teevir from myelin and virotrenz from ranbaxy sun pharma) has become available, which contains three anti-hiv drugs (tenofovir disoproxil fumarate 300 mg, emtricitabine200mg and efavirenz 600 mg) to be taken as a single pill only once daily. Given the information that has been acquired for the therapeutic use (efficacy, safety) of tenofovir disoproxil fumarate over the past five years, it would now seem mandatory to further consider the prophylactic use of tdf [and its combination with emtricitabine (truvada) and/or atripla], as a single daily pill to prevent HIV infection. New combinations of drugs are also available which include tenofovir 300 mg lamivudine 150 mg which is very new drugs.

Now a days we can treat patients who had sex with some sex worker or any male transgender or some unknown person and during sexual intercourse condom gets bursted, we can treat them if they come to us within 72 hours of direct contact, these medicines are called post-exposure prophylaxis (pep) drugs for hiv or prophylactic treatment for hiv, by using these drugs we can treat a patient and we can stop transfusion of hiv virus to the person.

Pep involves taking anti hiv drugs as soon as possible after having been exposed to unprotected sex with some sex worker or transgender of with homosexual prep is a new hiv prevention method in which people who do not have hiv infection take pills of medicine daily to reduce the risk of becoming infected with hiv virus, pep should be taken within 72 hours of exposure to unprotected sex before the virus has time to rapidly duplicate in your body, pep consists of 2-3 antiretroviral drugs taken for 28 days.

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