The Carlat Psychiatry Podcast cover image

The Carlat Psychiatry Podcast

Stimulant Dosing

Feb 19, 2024
Learn about stimulant dosing in psychiatry with Chris Aiken, MD and Kellie Newsome, PMHNP. Topics include challenges in diagnosing adult ADHD, risks of high stimulant doses, optimal dosing of Adderall XR, maximizing ADHD treatment, exploring methylphenidate dosage and effects.
22:25

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Quick takeaways

  • Higher stimulant doses in ADHD treatment may lead to abuse, cognitive decline, and psychiatric issues.
  • Safe upper limits for stimulant dosing are crucial to avoid neurotoxicity, cardiovascular problems, and cognitive impairments.

Deep dives

The Challenges of Stimulant Dosing

Stimulant dosing for adult patients with ADHD raises concerns due to the difficulty of diagnosing the condition and the potential for overuse. While stimulants are highly rewarding and effective for treating real ADHD, off-label use can lead to imperfect effects and the need for higher and higher doses. The risks of going beyond recommended doses include abuse, cardiovascular problems, worsened cognition, and increased likelihood of psychiatric issues like psychosis and mania. Animal studies indicate neurotoxic damage at high doses of amphetamines, particularly above 60 mg per day.

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