Drug interactions
Hydrochlorothiazide-irbesartan + Methylphenidate
Severity: Moderate
Hydrochlorothiazide-irbesartan 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 has sympathomimetic effects that can raise blood pressure and heart rate, potentially counteracting the antihypertensive effect of irbesartan and hydrochlorothiazide. Blood pressure control may worsen.
What this interaction means in plain words
Hydrochlorothiazide-irbesartan 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-irbesartan belongs to Cardiovascular; Methylphenidate belongs to Central Nervous System.
Why it happens
Pharmacodynamic antagonism through stimulant-induced noradrenergic vasopressor activity.
What to do
Monitor blood pressure regularly after starting or changing methylphenidate dose, and 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-irbesartan
- Aliskiren + Hydrochlorothiazide-irbesartan Contraindicated
- Dofetilide + Hydrochlorothiazide-irbesartan Contraindicated
- Hydrochlorothiazide-irbesartan + Sparsentan Contraindicated
- Aldesleukin + Hydrochlorothiazide-irbesartan Major
- Amifostine + Hydrochlorothiazide-irbesartan Major
- Amiloride + Hydrochlorothiazide-irbesartan 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-irbesartan with Methylphenidate?
MediHelp rates the interaction as moderate. Hydrochlorothiazide-irbesartan 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 has sympathomimetic effects that can raise blood pressure and heart rate, potentially counteracting the antihypertensive effect of irbesartan and hydrochlorothiazide. Blood pressure control may worsen.
How serious is the interaction between Hydrochlorothiazide-irbesartan 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 regularly after starting or changing methylphenidate dose, and adjust antihypertensive therapy if control is lost.
What other medicines interact with Hydrochlorothiazide-irbesartan?
MediHelp also lists interactions of Hydrochlorothiazide-irbesartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-irbesartan page.
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