Amphetamine and Clonidine Transdermal Patch: Interaction Details
AI-assisted, pharmacist-reviewed · Source data updated Aug 8, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature
Amphetamine
Clonidine Transdermal Patch
How we grade severity & evidence
Severity levels
- Contraindicated: These should generally not be used together.
- Major: Potentially serious — often needs a change or close monitoring.
- Moderate: Can be significant — usually manageable with monitoring.
- Minor: Usually limited clinical impact.
Evidence grades
- Established: Well documented — supported by controlled studies or strong clinical data.
- Probable: Good supporting evidence, though not definitively proven.
- Suspected: Some evidence suggests this interaction, but it is not well established.
- Possible: Limited or conflicting evidence; the interaction may occur.
- Theoretical: Predicted from the drugs' pharmacology; not yet confirmed in people.
Ratings come from the documented interaction literature and are reviewed by a pharmacist. They describe the documented risk of the combination, not what will necessarily happen to you — your dose, timing, and health picture all matter.
What happens
Increased d-amphetamine in the brain and an increased risk of potentiated cardiovascular events
Interaction Deep Dive
Concurrent use of amphetamine and sympathomimetic agents may enhance the activity of sympathomimetic agents causing striking and sustained increases in the concentration of d-amphetamine in the brain. Cardiovascular effects can also be potentiated. Monitor frequently and adjust or use alternative therapy based on clinical response1.
Why it happens (mechanism)
Unknown
Common questions
Can I take Amphetamine and Clonidine Transdermal Patch together?
Increased d-amphetamine in the brain and an increased risk of potentiated cardiovascular events Always confirm with your pharmacist or prescriber before making any change.
How serious is the Amphetamine and Clonidine Transdermal Patch interaction?
It is rated major. Potentially serious — often needs a change or close monitoring.
How quickly could this interaction happen?
The documented onset is "unspecified". The timing of this interaction is not well characterized.
How strong is the evidence for this interaction?
The evidence is graded "theoretical". Predicted from the drugs' pharmacology; not yet confirmed in people.
From our Q&A
Real reader questions about these medications, each personally answered by our pharmacist:
Questions for your pharmacist
- Does my dose of Amphetamine or Clonidine Transdermal Patch need adjusting while I take them together?
- What symptoms should prompt me to call you or my prescriber right away?
- Does the timing of my doses matter for this combination?
- Is there a safer alternative to one of these medications for me?
References (1)
- Product Information: DYANAVEL(R) XR oral extended release suspension, oral extended-release tablets, amphetamine oral extended release suspension, oral extended-release tablets. Tris Pharma Inc (per FDA), Monmouth Junction, NJ, 2022. DailyMed
Keep reading about Amphetamine
Keep reading about Clonidine Transdermal Patch
These medications also interact with supplements
Prescription drugs aren't the whole picture — herbal and dietary supplements can interact with them too. From the evidence-graded Natural Medicines database:
major · moderate · minor — check everything you take with our drug–supplement interaction checker.
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