Sulfamethoxazole And Trimethoprim + Dapsone Interaction

Moderateinteraction on record

Description

TMP/SMX increases systemic levels of dapsone and its metabolites (AUC increased ~40% for dapsone, ~20% for N-acetyldapsone, >100% for dapsone hydroxylamine). Monitor for increased dapsone exposure and potential toxicity.

Mechanism

Inhibition of dapsone metabolism

Source: NLP:dapsone