Is there a 5 mg Adderall XR?

Adderall dosages and Adderall XR dosages come in the following strengths: Adderall: 5 mg, 7.5 mg, 10 mg, 12.5 mg, 15 mg, 20 mg, 30 mg tablets. Adderall XR: 5 mg, 10 mg, 15 mg, 20 mg, 25 mg, 30 mg capsules.

How many hours does Adderall 5mg last?

The half-life of Adderall is anywhere from 9 to 14 hours, while the effects may be felt for up to 6 hours with immediate-release Adderall and up to 12 hours with extended-release Adderall.