Culture Bound Assumptions in Behavior Intention Models.] abstract - Many models of consumer behavior include fundamental assumptions which are rarely questioned.
PrEP is a course of HIV drugs taken by HIV negative people before sex to reduce the chance of getting HIV. Results in trials have been very successful, with PrEP significantly lowering the risk of becoming HIV positive and without major side effects.
With Post-Exposure Prophylaxis (PEP), you take an HIV medication immediately after the exposure to HIV to prevent infection. With PrEP, if you are HIV-negative, you take Truvada before possible exposure to HIV to prevent infection. Truvada is a combination of the drugs Emtriva and Viread.It was originally approved for treatment in 2004.ruvada, the PrEP drug, costs between $8,000 and $14,000 per year. You will also have to figure in the cost of four medical check-ups annually and possible lab tests.