Answer
Phenoxymethylpenicillin, a penicillin, may inactivate the oral typhoid vaccine if taken at the same time.
Sources for this answer
- Phenoxymethylpenicillin Sugar Free 250mg / 5ml Powder for Oral SolutionBrown & Burk UK Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 3Document updated
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