A member asked:

Will smoking weed after you take plan b make it less effective?

A doctor has provided 1 answer

THC after plan B: The quick answer is "no", but clearly, smoking marijuana can lower one's threshold for rational decision making, so make sure "Plan B" is used after each episode of unprotected sex. Get dependable birth control soon if you are going to be "spontaneous" about sex.

Answered 6/7/2021

3.5k views

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