Skip to main content
Amphetamine Sulfate

Amphetamine Sulfate Dosage

Robert Chad Hakim, PharmD, BCCCPCydnee Ng, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Cydnee Ng, PharmD
Last reviewed on August 4, 2025

The average cost for 60 tablets of 10mg of Amphetamine Sulfate is $40.97 with a free GoodRx coupon. This is 90.52% off the average retail price of $432.10.

tabletTablet

Dosage

Quantity

Price as low as

Price per unit

5mg

30 tablets

$27.88

$0.93

10mg

60 tablets

$40.97

$0.68

Typical dosage for Amphetamine Sulfate

Your dose will depend on what you're taking Amphetamine Sulfate for. Your prescriber will adjust your dose based on how well it's working for you and if you have side effects.

  • ADHD

    • Age 6 years and older: The typical starting dose is 5 mg by mouth once or twice daily. Take the first dose in the morning after waking up. If needed, take any additional doses 4 to 6 hours apart.
    • Age 3 to 5 years old: The typical starting dose is 2.5 mg by mouth once daily in the morning. Any additional doses should be taken 4 to 6 hours apart.
  • Narcolepsy

    • Age 6 years and older: The typical dose is 5 mg to 60 mg by mouth per day, split into multiple doses throughout the day. Take the first dose of the day right after waking up. Take the rest of your doses of the day every 4 to 6 hours.
  • Obesity (as a short-term add-on)

    • Age 12 years and older: The typical dose is up to 30 mg by mouth per day, split into multiple doses throughout the day. Take each dose 30 to 60 minutes before meals.
GoodRx icon

Other Amphetamine Sulfate articles

Was this page helpful?