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Drug Interactions between chloramphenicol and Co-trimoxazole

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

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Interactions between your drugs

Major

chloramphenicol sulfamethoxazole

Applies to: chloramphenicol and Co-trimoxazole (sulfamethoxazole / trimethoprim)

Consumer information for this interaction is not currently available.

GENERALLY AVOID: Coadministration of chloramphenicol with other agents that can cause bone marrow depression, aplastic anemia, or agranulocytosis may increase the risk and/or severity of hematologic toxicity. Serious and fatal blood dyscrasias (aplastic anemia, hypoplastic anemia, thrombocytopenia, granulocytopenia, and bone marrow depression) have been reported after short-term and long-term systemic therapy with chloramphenicol.

MANAGEMENT: Concurrent use of chloramphenicol with other agents that can cause bone marrow depression, aplastic anemia, or agranulocytosis, such as sulfonamides, nucleoside reverse transcriptase inhibitors, procainamide, phenylbutazone, clozapine, and depot formulations of antipsychotic drugs, should be avoided.

References

  1. (2002) "Product Information. Chloromycetin (chloramphenicol)." Parke-Davis
  2. (2022) "Product Information. Chloromycetin (chloramphenicol)." Pfizer Canada Inc
  3. (2015) "Product Information. Chloromycetin Succinate (chloramphenicol)." Link Medical Products Pty Ltd T/A Link Pharmaceuticals
  4. (2023) "Product Information. Chloramphenicol (chloramphenicol)." Eramol (UK) Ltd
View all 4 references

Drug and food interactions

Moderate

sulfamethoxazole food

Applies to: Co-trimoxazole (sulfamethoxazole / trimethoprim)

Ask your doctor before using sulfamethoxazole together with ethanol. Contact your doctor if you experience unpleasant side effects such as fast heartbeats, warmth or redness under your skin, tingly feeling, nausea, or vomiting. If you experience these side effects, you may need to avoid ethanol while taking sulfamethoxazole. You should check your food and medicine labels to see if these products contain ethanol. 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.

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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