Answer
Tetracaine hydrochloride should not be used in patients taking sulphonamides because tetracaine is hydrolysed in the body to p-amino-benzoic acid.
Sources for this answer
- Minims Tetracaine Hydrochloride 0.5% w/v, Eye drops solutionBausch & Lomb U.K Limited · emc · SmPC §4.3 Contraindications · Version 5Document updated
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