Drug Interaction Report
13 potential interactions and/or warnings found for the following 2 drugs:
- Guaiphen-D 1200 (guaifenesin / phenylephrine)
- Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine)
Interactions between your drugs
atropine phenylephrine
Applies to: Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine), Guaiphen-D 1200 (guaifenesin / phenylephrine)
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.
atropine hyoscyamine
Applies to: Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine), Phenohytro (atropine / hyoscyamine / phenobarbital / 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.
atropine scopolamine
Applies to: Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine), Phenohytro (atropine / hyoscyamine / phenobarbital / 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.
PHENobarbital scopolamine
Applies to: Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine), Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine)
Using PHENobarbital together with scopolamine may increase side effects such as dizziness, drowsiness, confusion, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination. 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.
phenylephrine hyoscyamine
Applies to: Guaiphen-D 1200 (guaifenesin / phenylephrine), Phenohytro (atropine / hyoscyamine / phenobarbital / 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.
phenylephrine scopolamine
Applies to: Guaiphen-D 1200 (guaifenesin / phenylephrine), Phenohytro (atropine / hyoscyamine / phenobarbital / 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.
hyoscyamine scopolamine
Applies to: Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine), Phenohytro (atropine / hyoscyamine / phenobarbital / 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.
Drug and food interactions
PHENobarbital food
Applies to: Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine)
Ask your doctor before using PHENobarbital together with ethanol, this can add to dizziness, drowsiness and other side effects of PHENobarbital. Be careful if you drive or do activities that require you to be awake and alert. Talk with your doctor before using any medications together, or drinking alcohol with PHENobarbital. 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.
atropine food
Applies to: Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine)
Ask your doctor before using atropine together with ethanol. Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking atropine. You should be warned not to exceed recommended dosages and to avoid activities requiring mental alertness. If your doctor prescribes these medications together, you may need a dose adjustment to safely take this combination. 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.
hyoscyamine food
Applies to: Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine)
Ask your doctor before using hyoscyamine together with ethanol. Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking hyoscyamine. You should be warned not to exceed recommended dosages and to avoid activities requiring mental alertness. If your doctor prescribes these medications together, you may need a dose adjustment to safely take this combination. 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.
scopolamine food
Applies to: Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine)
Ask your doctor before using scopolamine together with ethanol. Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking scopolamine. You should be warned not to exceed recommended dosages and to avoid activities requiring mental alertness. If your doctor prescribes these medications together, you may need a dose adjustment to safely take this combination. 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.
phenylephrine food
Applies to: Guaiphen-D 1200 (guaifenesin / phenylephrine)
Both phenylephrine and caffeine 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.
scopolamine food
Applies to: Phenohytro (atropine / hyoscyamine / phenobarbital / scopolamine)
Information for this minor interaction is available on the professional version.
Therapeutic duplication warnings
No duplication 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. |
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