A 27-year-old male asked:
Why do i feel extreme muscle weakness,fatigue after consuming coffee? or taking adderall (dextroamphetamine and racemic amphetamine)? shouldn't the effect be opposite?
1 doctor answer • 2 doctors weighed in
A Verified Doctoranswered
Internal Medicine 38 years experience
Fatigue: triggered by a non-physiologic way is likely do to a psychological source such as depression. Some fatigue with being overstimulated is physiologic. Rapid heart rate, increased work makes people tired. I see you are also ased about the same symptoms after a vitamin, so, psychological issues come to mind. But without an exam, I can only give general information andcannot say in your particular cas
Created for people with ongoing healthcare needs but benefits everyone.
3.6k viewsReviewed >2 years ago
Last updated Nov 10, 2014
People also asked
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $44!
50% off with $15/month membership
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.