Cold Sore Treatment Interactions

There are 3 drugs known to interact with Cold Sore Treatment (benzalkonium chloride topical). Of the total drug interactions, 3 are moderate.

Medications known to interact with Cold Sore Treatment

Note: Showing generic names only.

Include all brand names and combination drug names.

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These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major	Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate	Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor	Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown	No interaction information available.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

How to Prevent Deadly Drug Interactions

Some mixtures of medications can lead to serious and even fatal consequences.

Drug Status

Availability Rx and/or OTC Rx
OTC

CSA Schedule* Not a controlled drug N/A

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