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Drug Interactions between Duzallo and metyrosine

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

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Interactions between your drugs

Moderate

allopurinol metyroSINE

Applies to: Duzallo (allopurinol / lesinurad) and metyrosine

MONITOR: Coadministration with alcohol or other central nervous system (CNS) depressants may enhance the sedative effects of allopurinol and increase the likelihood and/or severity of central nervous system (CNS) side effects, such as drowsiness, somnolence, vertigo, and ataxia.

MANAGEMENT: Caution for increased CNS adverse effects is advised if allopurinol is coadministered with alcohol, other CNS depressants, or agents that cause dizziness or vertigo. Patients should not drive, operate machinery, or engage in hazardous activities requiring mental alertness and motor coordination until they know how the medications affect them.

References (4)
  1. (2024) "Product Information. Allopurinol (Sandoz) (allopurinol)." Sandoz Pty Ltd
  2. (2021) "Product Information. Zyloric (allopurinol)." Aspen Pharma Trading Ltd
  3. (2021) "Product Information. Zyloprim (allopurinol)." AA Pharma Inc, 248178
  4. (2024) "Product Information. Allopurinol (allopurinol)." Actavis U.S. (Purepac Pharmaceutical Company)

Drug and food interactions

Moderate

allopurinol food

Applies to: Duzallo (allopurinol / lesinurad)

ADJUST DOSING INTERVAL: The tolerability of allopurinol may be improved by giving it after a meal. Additionally, when the dose is greater than 300 mg, dividing the total daily dose into smaller doses administered more often may be appropriate to help minimize gastrointestinal irritation.

MONITOR: Concomitant use of allopurinol with central nervous system (CNS) depressants, including alcohol, may potentiate adverse effects such as somnolence and sedation.

MANAGEMENT: To improve tolerability, some manufacturers suggest administering allopurinol after a meal. Additionally, if the daily dose is greater than 300 mg, administering allopurinol in divided doses may help reduce gastrointestinal intolerance. Patients should also be counseled to avoid or limit consumption of alcohol and to avoid activities requiring mental alertness such as driving or operating hazardous machinery until they know how the medication affects them.

References (4)
  1. (2024) "Product Information. Allopurinol (Sandoz) (allopurinol)." Sandoz Pty Ltd
  2. (2021) "Product Information. Zyloric (allopurinol)." Aspen Pharma Trading Ltd
  3. (2021) "Product Information. Zyloprim (allopurinol)." AA Pharma Inc, 248178
  4. (2024) "Product Information. Allopurinol (allopurinol)." Actavis U.S. (Purepac Pharmaceutical Company)
Moderate

metyroSINE food

Applies to: metyrosine

MONITOR: Metyrosine, when coadministered with other CNS depressants including alcoholic beverages, may lead to excessive somnolence and other forms of nervous system depression.

MANAGEMENT: The patient should be informed to use caution if these agents are coadministered, especially if performing hazardous tasks such as driving or operating machinery.

References (1)
  1. (2001) "Product Information. Demser (metyrosine)." Merck & Co., Inc

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

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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.

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