Drug interactions
Ketotifen + Propylhexedrine
Severity: Minor
Ketotifen 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
Ketotifen may cause drowsiness while propylhexedrine is a sympathomimetic nasal decongestant with minor stimulant potential. The effects are opposing and no clinically meaningful interaction is established.
What this interaction means in plain words
Ketotifen 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.
Ketotifen belongs to Respiratory; Propylhexedrine belongs to Respiratory.
Why it happens
Opposing pharmacodynamic effects on alertness; no established pharmacokinetic mechanism.
What to do
No specific action needed. Counsel on ketotifen drowsiness as usual.
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 Ketotifen
- Ketotifen + Phenobarbital Moderate
- Ketotifen + Pholcodine Moderate
- Ketotifen + Primidone Moderate
- Ketotifen + Protriptyline Moderate
- Ketotifen + Quazepam Moderate
- Ketotifen + Rotigotine Moderate
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 Ketotifen with Propylhexedrine?
MediHelp rates the interaction as minor. Ketotifen 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. Ketotifen may cause drowsiness while propylhexedrine is a sympathomimetic nasal decongestant with minor stimulant potential. The effects are opposing and no clinically meaningful interaction is established.
How serious is the interaction between Ketotifen 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: No specific action needed. Counsel on ketotifen drowsiness as usual.
What other medicines interact with Ketotifen?
MediHelp also lists interactions of Ketotifen with, for example, Phenobarbital, Pholcodine, Primidone. The full list is on the Ketotifen page.
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