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Drug interactions between Dura-Gest and Ocu-Tropic

Results for the following 2 drugs:
Dura-Gest (guaifenesin/phenylephrine/phenylpropanolamine)
Ocu-Tropic (tropicamide ophthalmic)

Interactions between your selected drugs


phenylephrine ↔ tropicamide

Applies to:Dura-Gest (guaifenesin/phenylephrine/phenylpropanolamine) and Ocu-Tropic (tropicamide ophthalmic)

Tropicamide ophthalmic may increase the effects of phenylephrine on your blood pressure and heart rate. Before receiving these medications, you should let your doctor know if you have high blood pressure or heart disease. You may not be able to use one or both of these medications, or you may need closer monitoring by your doctor in order to use these medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Drug Interaction Classification

The classifications below are a guideline only. The relevance of a particular drug interaction to a specific patient is difficult to determine using this tool alone given the large number of variables that may apply.

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.

Do not stop taking any medications without consulting your healthcare provider.

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