Drug interactions between Dura-Vent / A and Duravent
Interactions between your drugs
phenylephrine ↔ phenylpropanolamine
Applies to:Duravent (chlorpheniramine/methscopolamine/phenylephrine) and Dura-Vent/A (chlorpheniramine/phenylpropanolamine)
Both phenylephrine and phenylpropanolamine can increase blood pressure and heart rate, and combining them may enhance these effects. Talk to your doctor before using these medications, especially if you have a history of high blood pressure or heart disease. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if your condition changes or you experience increased side effects. 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.
chlorpheniramine ↔ methscopolamine
Applies to:Dura-Vent/A (chlorpheniramine/phenylpropanolamine) and Duravent (chlorpheniramine/methscopolamine/phenylephrine)
Using chlorpheniramine together with methscopolamine may increase side effects such as drowsiness, blurred vision, dry mouth, heat intolerance, flushing, decreased sweating, difficulty urinating, abdominal cramping, constipation, irregular heartbeat, confusion, and memory problems. Side effects may be more likely to occur in the elderly or those with a debilitating condition. You should avoid or limit the use of alcohol while being treated with these medications. Also avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medications affect you. Talk to your doctor if you have any questions or concerns. 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.
Drug Interaction Classification
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Do not stop taking any medications without consulting your healthcare provider.