Dichlorphenamide and Methazolamide interaction
Dichlorphenamide and Methazolamide: the Dichlorphenamide prescribing label flags this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Dichlorphenamide (Keveyis) label · effective 2026-03-04
KEVEYIS is contraindicated in the following circumstances: Hypersensitivity to dichlorphenamide or other sulfonamides [see Warnings and Precautions (5.1) ] Concomitant use of KEVEYIS and high dose aspirin [see Warnings and Precautions (5.2) and Drug Interactions (7.1) ] Severe pulmonary disease, limiting compensation to metabolic acidosis caused by KEVEYIS [see…
Hypersensitivity to dichlorphenamide or other sulfonamides ( 4 )
Concomitant Use of Aspirin or Other Salicylates Carbonic anhydrase inhibitors, including KEVEYIS, can cause metabolic acidosis [see Warnings and Precautions (5.4) ] , which can increase the risk of salicylate toxicity.
Aspirin and Other Salicylates Carbonic anhydrase inhibitors, including KEVEYIS, can cause metabolic acidosis [see Warnings and Precautions ( 5.2 , 5.4 ) ], which can increase the risk of salicylate toxicity.
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.