Drug Interaction Report
1 potential interaction and/or warning found for the following 2 drugs:
- Azulfidine (sulfasalazine)
- pyrimethamine
Interactions between your drugs
pyrimethamine sulfaSALAzine
Applies to: pyrimethamine, Azulfidine (sulfasalazine)
MONITOR: Coadministration of pyrimethamine in doses exceeding 25 mg per week with trimethoprim or sulfonamides may increase the risk of megaloblastic anemia and pancytopenia. The proposed mechanism is additive antifolate effects.
MANAGEMENT: Periodic clinical and laboratory monitoring for signs of folic acid deficiency and hematologic changes is advisable.
References (1)
- Cerner Multum, Inc. "UK Summary of Product Characteristics."
Drug and food interactions
No alcohol/food interactions were found with the drugs in your list. However, this does not necessarily mean no food interactions exist. Always consult your healthcare provider.
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.
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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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Further information
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