ImportantThis page is general information, not a prescription. Don't start, stop, or change a medicine without talking to your provider or pharmacist.
Overview
It's the more active half of methylphenidate.
What it's used for
- ADHD in children 6 and older and adults
How to take it
- Take it in the morning; extended-release capsules can be opened onto applesauce.
- Keep it locked up.
Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.
Side effects
Common side effects
- Less appetite
- Trouble sleeping
- Stomachache
- Headache
Call 911Chest pain, fainting, or shortness of breath
Call your provider todaySeeing or hearing things, or mania
Call your provider todayFingers or toes that turn pale, blue, or painful
Warnings
- Boxed warning: high risk of misuse and addiction. Keep it locked up and never share it.
- Growth, heart rate, and blood pressure are checked.
Other medicines, foods, and alcohol
- Never take within 14 days of an MAOI.
- Decongestants and caffeine add to heart effects.
Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.
Pregnancy and breastfeeding
Talk with your provider.
Missed doses, overdose, and storage
If you miss a dose
Take it as soon as you remember, unless it's almost time for your next dose. Then skip the missed dose. Don't take two doses at once.
If someone takes too much
Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.
Storing it
Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.
Conditions it's used for
Sources
- DailyMed: FDA drug label for Dexmethylphenidate (U.S. National Library of Medicine)
- MedlinePlus: Drugs, herbs, and supplements
- FDA: Drugs@FDA
Last updated 2026-11-13.