Drug interactions
Hydrochlorothiazide-valsartan + Methylphenidate
Severity: Moderate
Hydrochlorothiazide-valsartan and Methylphenidate: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Methylphenidate can raise blood pressure and heart rate through sympathomimetic activity. This may reduce the control achieved with valsartan and hydrochlorothiazide.
What this interaction means in plain words
Hydrochlorothiazide-valsartan and Methylphenidate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Hydrochlorothiazide-valsartan belongs to Cardiovascular; Methylphenidate belongs to Central Nervous System.
Why it happens
Pharmacodynamic antagonism: sympathomimetic pressor effects of methylphenidate oppose the antihypertensive action.
What to do
Monitor blood pressure after starting or changing methylphenidate. Adjust antihypertensive therapy if control is lost.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Hydrochlorothiazide-valsartan
- Aliskiren + Hydrochlorothiazide-valsartan Contraindicated
- Dofetilide + Hydrochlorothiazide-valsartan Contraindicated
- Hydrochlorothiazide-valsartan + Sparsentan Contraindicated
- Aldesleukin + Hydrochlorothiazide-valsartan Major
- Amifostine + Hydrochlorothiazide-valsartan Major
- Amiloride + Hydrochlorothiazide-valsartan Major
Other interactions of Methylphenidate
- Isocarboxazid + Methylphenidate Contraindicated
- Linezolid + Methylphenidate Contraindicated
- Methylphenidate + Phenelzine Contraindicated
- Methylphenidate + Procarbazine Contraindicated
- Methylphenidate + Rasagiline Contraindicated
- Methylphenidate + Safinamide Contraindicated
Frequently asked questions
Can I take Hydrochlorothiazide-valsartan with Methylphenidate?
MediHelp rates the interaction as moderate. Hydrochlorothiazide-valsartan and Methylphenidate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Methylphenidate can raise blood pressure and heart rate through sympathomimetic activity. This may reduce the control achieved with valsartan and hydrochlorothiazide.
How serious is the interaction between Hydrochlorothiazide-valsartan and Methylphenidate?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure after starting or changing methylphenidate. Adjust antihypertensive therapy if control is lost.
What other medicines interact with Hydrochlorothiazide-valsartan?
MediHelp also lists interactions of Hydrochlorothiazide-valsartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-valsartan page.
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