Answer
Avoid food and drink for 1 hour before and 1 hour after taking it because increased stomach acid may impair the vaccine.
Sources for this answer
- Dukoral suspension and effervescent powder for oral suspension Cholera vaccine (inactivated, oral) — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.