Methylphenidate and Dexmethylphenidate Interaction
Drug interaction information between Methylphenidate and Dexmethylphenidate.
Methylphenidate and Dexmethylphenidate have a documented moderate interaction in FDA labeling.
FDA drug labeling documents a moderate-severity interaction between Methylphenidate and Dexmethylphenidate. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.
How They Interact
Using these medications together can increase the risk of movement problems, especially if you change the dose of either drug. This happens because the drugs can affect how your brain controls your muscles.
FDA Label Information
Risperidone Clinical Impact Combined use of methylphenidate with risperidone when there is a change, whether an increase or decrease, in dosage of either or both medications, may increase the risk of extrapyramidal symptoms (EPS).
Methylphenidate Also Interacts With
- Safinamide major
- Risperidone moderate
- Linezolid minor
- Phenelzine minor
- Tranylcypromine minor
Dexmethylphenidate Also Interacts With
- Risperidone moderate
Frequently Asked Questions
What SPL severity band is on file for Methylphenidate + Dexmethylphenidate?
Compiled FDA labeling labels this pair moderate. That is a source-record field, not an individual medication-combination decision.
Which drug in this pair has the larger labeled-interaction portfolio?
Methylphenidate has 11 labeled pairs on file vs Dexmethylphenidate's 2. In the moderate band specifically: Methylphenidate has 2 (also Risperidone); Dexmethylphenidate has 2 (also Risperidone).
What mechanism field is on file for Methylphenidate and Dexmethylphenidate?
Using these medications together can increase the risk of movement problems, especially if you change the dose of either drug. This happens because the drugs can affect how your brain controls your muscles.
Methylphenidate carries more major-labeled pairs than Dexmethylphenidate
SPL source-record counts only. This page's band is moderate · classes on file: Methylphenidate (CNS Stimulant); Dexmethylphenidate (CNS Stimulant).
Methylphenidate has 1 major-labeled pair vs Dexmethylphenidate's 0. This page itself is in the moderate band, not the major band.
1 major · 2 moderate · 8 minor · 11 total
- Other moderate peers for Methylphenidate
- Risperidone
0 major · 2 moderate · 0 minor · 2 total
- Other moderate peers for Dexmethylphenidate
- Risperidone
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.
Read our methodology - how this data is sourced, computed, and verified.