Drug interactions
Chlorpheniramine + Ramelteon
Severity: Moderate
Chlorpheniramine and Ramelteon: 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
Chlorpheniramine is a sedating antihistamine, and with ramelteon the drowsiness and impaired performance may be increased.
What this interaction means in plain words
Chlorpheniramine and Ramelteon 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.
Chlorpheniramine belongs to Respiratory; Ramelteon belongs to Central Nervous System.
Why it happens
Additive CNS depression.
What to do
Advise avoiding driving and hazardous tasks. Consider a non-sedating antihistamine if appropriate.
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 Ramelteon
- Calcium / magnesium / potassium / sodium oxybates + Ramelteon Contraindicated
- Fluvoxamine + Ramelteon Contraindicated
- Ramelteon + Sodium oxybate Contraindicated
- Alfentanil + Ramelteon Moderate
- Amitriptyline + Ramelteon Moderate
- Amobarbital + Ramelteon Moderate
Other interactions of Chlorpheniramine
Frequently asked questions
Can I take Chlorpheniramine with Ramelteon?
MediHelp rates the interaction as moderate. Chlorpheniramine and Ramelteon 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. Chlorpheniramine is a sedating antihistamine, and with ramelteon the drowsiness and impaired performance may be increased.
How serious is the interaction between Chlorpheniramine and Ramelteon?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise avoiding driving and hazardous tasks. Consider a non-sedating antihistamine if appropriate.
What other medicines interact with Ramelteon?
MediHelp also lists interactions of Ramelteon with, for example, Calcium / magnesium / potassium / sodium oxybates, Fluvoxamine, Sodium oxybate. The full list is on the Ramelteon page.
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