Drug interactions
Methyldopa + Propylhexedrine
Severity: Minor
Methyldopa and Propylhexedrine: minor 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
Propylhexedrine is an inhaled sympathomimetic decongestant that can raise blood pressure if absorbed, particularly with overuse. It may blunt the antihypertensive effect of methyldopa.
What this interaction means in plain words
Methyldopa and Propylhexedrine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Methyldopa belongs to Cardiovascular; Propylhexedrine belongs to Respiratory.
Why it happens
Sympathomimetic pressor activity opposes methyldopa's central sympatholytic action.
What to do
Use only at labeled doses and for short periods. Monitor blood pressure if used frequently.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Methyldopa
- Methyldopa + Tranylcypromine Contraindicated
- Iobenguane i + Methyldopa Major
- Lofexidine + Methyldopa Major
- Methyldopa + Pexidartinib Major
- Methyldopa + Pretomanid Major
- Methyldopa + Thioridazine Major
Other interactions of Propylhexedrine
- Isocarboxazid + Propylhexedrine Contraindicated
- Phenelzine + Propylhexedrine Contraindicated
- Linezolid + Propylhexedrine Major
- Propylhexedrine + Selegiline Major
- Propylhexedrine + Tranylcypromine Major
- Adrenaline-articaine + Propylhexedrine Moderate
Frequently asked questions
Can I take Methyldopa with Propylhexedrine?
MediHelp rates the interaction as minor. Methyldopa and Propylhexedrine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Propylhexedrine is an inhaled sympathomimetic decongestant that can raise blood pressure if absorbed, particularly with overuse. It may blunt the antihypertensive effect of methyldopa.
How serious is the interaction between Methyldopa and Propylhexedrine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use only at labeled doses and for short periods. Monitor blood pressure if used frequently.
What other medicines interact with Methyldopa?
MediHelp also lists interactions of Methyldopa with, for example, Tranylcypromine, Iobenguane i, Lofexidine. The full list is on the Methyldopa page.
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