Skip to Content

Drug Interactions between atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and trichophyton skin test

This report displays the potential drug interactions for the following 2 drugs:

  • atropine/chlorpheniramine/hyoscyamine/phenylephrine/scopolamine
  • trichophyton skin test

Edit list (add/remove drugs)

Interactions between your drugs

Moderate

atropine chlorpheniramine

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

Using atropine together with chlorpheniramine 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.

Switch to professional interaction data

Moderate

hyoscyamine scopolamine

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

Using hyoscyamine together with scopolamine 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.

Switch to professional interaction data

Moderate

phenylephrine scopolamine

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

Scopolamine 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.

Switch to professional interaction data

Moderate

chlorpheniramine scopolamine

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

Using chlorpheniramine together with scopolamine 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.

Switch to professional interaction data

Moderate

atropine scopolamine

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

Using atropine together with scopolamine 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.

Switch to professional interaction data

Moderate

phenylephrine hyoscyamine

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

Hyoscyamine 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.

Switch to professional interaction data

Moderate

chlorpheniramine hyoscyamine

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

Using chlorpheniramine together with hyoscyamine 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.

Switch to professional interaction data

Moderate

atropine hyoscyamine

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

Using atropine together with hyoscyamine 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.

Switch to professional interaction data

Moderate

atropine phenylephrine

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

Atropine 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.

Switch to professional interaction data

Moderate

chlorpheniramine trichophyton skin test

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine and trichophyton skin test

Chlorpheniramine may interfere with your response to trichophyton skin test. If you are currently using or have recently used chlorpheniramine, let your doctor know before you get tested with trichophyton skin test. It is generally best to discontinue chlorpheniramine for 2 to 4 days before testing, but you should check with your doctor. 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.

Switch to professional interaction data

Drug and food interactions

Moderate

chlorpheniramine food

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

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.

Switch to professional interaction data

Minor

scopolamine food

Applies to: atropine / chlorpheniramine / hyoscyamine / phenylephrine / scopolamine

Consumer information for this minor interaction is not currently available. Some minor drug interactions may not be clinically relevant in all patients. Minor drug interactions do not usually cause harm or require a change in therapy. However, your healthcare provider can determine if adjustments to your medications are needed.

For clinical details see professional interaction data.

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

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.

Further information

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

Hide