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Drug Interactions between Duzallo and pomalidomide

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

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Interactions between your drugs

Moderate

allopurinol pomalidomide

Applies to: Duzallo (allopurinol / lesinurad) and pomalidomide

MONITOR: Coadministration of allopurinol with cytotoxic agents in patients with neoplastic disease, other than leukemia, may increase the risk of myelosuppressive side effects. Allopurinol therapy alone has been associated with myelosuppressive adverse reactions (e.g., anemia, leukopenia and/or thrombocytopenia). Theoretically, combination with cytotoxic agents may increase this risk, however, data are conflicting. In a well-controlled study of patients on allopurinol who received cyclophosphamide, doxorubicin, bleomycin, procarbazine and/or mechlorethamine (mustine HCl), increases in toxic reactions of the cytotoxic agents were not observed.

MANAGEMENT: Caution as well as closer clinical and laboratory monitoring for the development of myelosuppression are advised when allopurinol is used concomitantly with cytotoxic agents.

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

pomalidomide food

Applies to: pomalidomide

MONITOR: Cigarette smoking may reduce pomalidomide exposure due to induction of CYP450 1A2, the isoenzyme that is responsible for the metabolic clearance of pomalidomide along with CYP450 3A4.

MANAGEMENT: Patients should be advised that smoking may reduce the efficacy of pomalidomide therapy. Pomalidomide should be taken on an empty stomach, at least 2 hours before or 2 hours after a meal.

References (1)
  1. (2013) "Product Information. Pomalyst (pomalidomide)." QLT Phototherapeutics 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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