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Drug Interactions between haloperidol and nortriptyline

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

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Interactions between your drugs

Major

haloperidol nortriptyline

Applies to: haloperidol and nortriptyline

Using haloperidol together with nortriptyline can affect the rhythm of your heart. Contact your doctor if you experience tiredness, dizziness, fainting, confusion, tremor, difficulty breathing, and an irregular heartbeat. Lower dosages of nortriptyline may be necessary when used with haloperidol. You should be advised you may also experience excessive nortriptyline side effects such as dry mouth, visual disturbances, urinary retention, dizziness, constipation, and seizures. You may need a dose adjustment or special test if you use both 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.

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Drug and food interactions

Moderate

haloperidol food

Applies to: haloperidol

Alcohol can increase the nervous system side effects of haloperidol 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 haloperidol. Do not use more than the recommended dose of haloperidol, 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.

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Moderate

nortriptyline food

Applies to: nortriptyline

Ask your doctor before using nortriptyline together with ethanol (alcohol), this can alter the effects of nortriptyline and cause increased side effects. Call the doctor if you experience uneven heartbeats, extreme drowsiness, confusion, agitation, vomiting, blurred vision, sweating, muscle stiffness, feeling light-headed, and seizures. You should be warned not to exceed recommended dosages, to avoid alcohol, 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.

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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.


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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.