A member asked:

I've been on adderall 20mg xr for a week. the last two days it didn't feel as effective. has my body already built up a tolerance to it that quickly?

A doctor has provided 1 answer

Dr. Heidi Fowler answered

Specializes in Psychiatry

Not necessarily: I find that sometimes when titrating up a patient's dose on a stimulant, they may intially have a more robust response when the dose is first increasd, and then it may drop a little.

Dr Gabor and another doctor agreed

Answered 11/28/2017

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A member asked:

I've been on adderall 20mg xr for a week. the last two days it didn't feel as effective. has my body already built up a tolerance to it that quickly?

A doctor has provided 1 answer

Dr. Heidi Fowler answered

Dr Gabor and another doctor agreed

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