Drug Interactions between Extendryl JR and Singulair
This report displays the potential drug interactions for the following 2 drugs:
- Extendryl JR (chlorpheniramine/methscopolamine/phenylephrine)
- Singulair (montelukast)
Interactions between your drugs
There were no interactions found in our database between Extendryl JR and Singulair - however, this does not necessarily mean no interactions exist. Always consult with your doctor or pharmacist.
A total of 467 drugs are known to interact with Extendryl JR.
- Extendryl JR is in the drug class upper respiratory combinations.
- Extendryl JR is used to treat the following conditions:
- Singulair is a member of the drug class leukotriene modifiers.
- Singulair is used to treat the following conditions:
Drug and food interactions
Applies to: Extendryl JR (chlorpheniramine / methscopolamine / phenylephrine)
Alcohol can increase the nervous system side effects of chlorpheniramine such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with chlorpheniramine. Do not use more than the recommended dose of chlorpheniramine, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. Talk to your doctor or pharmacist if you have any questions or concerns.
Therapeutic duplication warnings
No warnings were found for your selected drugs.
Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.
Drug Interaction Classification
|Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.|
|Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.|
|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.|
|No interaction information available.|
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.