Truvada.
Similar cost.
Similar efficacy.
Once daily dosing versus BID.
Less side effects, potential nephrotoxicity, versus a multitude of side effects (nausea, asthenia, neutropenia, anemia, abnormal liver enzyme levels)
Source
Chin, R. "Postexposure Prophylaxis for HIV" Emerg Med Clin N Am. 2010.
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