Drug Interactions between Guaifenex DM and hydralazine / hydrochlorothiazide / reserpine
This report displays the potential drug interactions for the following 2 drugs:
- Guaifenex DM (dextromethorphan/guaifenesin)
- hydralazine/hydrochlorothiazide/reserpine
Interactions between your drugs
hydrALAZINE hydroCHLOROthiazide
Applies to: hydralazine / hydrochlorothiazide / reserpine and hydralazine / hydrochlorothiazide / reserpine
HydroCHLOROthiazide may add to the blood pressure lowering effects of hydrALAZINE. You may need a dose adjustment or more frequent monitoring of your blood pressure to safely use both medications. Contact your doctor if you experience dizziness, weakness, fatigue, lightheadedness, headache, flushing, fainting, or a rapid pulse or heart rate. Avoid driving or operating hazardous machinery until you know how these medications affect you, and use caution when getting up from a sitting or lying position. 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.
hydrALAZINE reserpine
Applies to: hydralazine / hydrochlorothiazide / reserpine and hydralazine / hydrochlorothiazide / reserpine
Reserpine may add to the blood pressure lowering effects of hydrALAZINE. You may need a dose adjustment or more frequent monitoring of your blood pressure to safely use both medications. Contact your doctor if you experience dizziness, weakness, fatigue, lightheadedness, headache, flushing, fainting, or a rapid pulse or heart rate. Avoid driving or operating hazardous machinery until you know how these medications affect you, and use caution when getting up from a sitting or lying position. 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.
hydroCHLOROthiazide reserpine
Applies to: hydralazine / hydrochlorothiazide / reserpine and hydralazine / hydrochlorothiazide / reserpine
Before taking hydroCHLOROthiazide, tell your doctor if you also use reserpine. You may need dose adjustments or special tests in order to safely take both medications together. The blood pressure lowering effects of this combination may be additive. You should take reserpine at bedtime and to notify your doctor if have dizziness or feel faint. 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
dextromethorphan food
Applies to: Guaifenex DM (dextromethorphan / guaifenesin)
Alcohol can increase the nervous system side effects of dextromethorphan 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 dextromethorphan. Do not use more than the recommended dose of dextromethorphan, 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.
hydrALAZINE food
Applies to: hydralazine / hydrochlorothiazide / reserpine
HydrALAZINE and ethanol may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate. These side effects are most likely to be seen at the beginning of treatment, following a dose increase, or when treatment is restarted after an interruption. Let your doctor know if you develop these symptoms and they do not go away after a few days or they become troublesome. Avoid driving or operating hazardous machinery until you know how the medications affect you, and use caution when getting up from a sitting or lying position. 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.
hydroCHLOROthiazide food
Applies to: hydralazine / hydrochlorothiazide / reserpine
HydroCHLOROthiazide and ethanol may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate. These side effects are most likely to be seen at the beginning of treatment, following a dose increase, or when treatment is restarted after an interruption. Let your doctor know if you develop these symptoms and they do not go away after a few days or they become troublesome. Avoid driving or operating hazardous machinery until you know how the medications affect you, and use caution when getting up from a sitting or lying position. 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.
reserpine food
Applies to: hydralazine / hydrochlorothiazide / reserpine
Reserpine and ethanol may have additive effects in lowering your blood pressure. You may experience headache, dizziness, lightheadedness, fainting, and/or changes in pulse or heart rate. These side effects are most likely to be seen at the beginning of treatment, following a dose increase, or when treatment is restarted after an interruption. Let your doctor know if you develop these symptoms and they do not go away after a few days or they become troublesome. Avoid driving or operating hazardous machinery until you know how the medications affect you, and use caution when getting up from a sitting or lying position. 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.
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.
See also
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. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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