May 22, 2001
What happens if someone forgets to tack their meds or part of their treatment for 2-3 days?
Response from Dr. Little
The general answer is that this depends on how often you forget for 2-3 days and what drugs you are taking. In general, resistance develops more rapidly to certain drugs - such as 3TC, nevirapine, and sustiva. What is clearly the biggest problem is that most people do not forget once for 2-3 days, but intermittently. This can result in multiple missed doses per week, which for certain drugs can approach the threshold needed to become concerned about developing drug resistance. Also, forgetting to take some of your meds and not all of them may result in an increased risk as well. To answer your question, if you really missed 2-3 days only once ever, then the risk is probably quite low.
How long before resistance develope?
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