Answer
There is no clear evidence of harm from H2-receptor antagonists, but the selected product advises use only when clearly needed. Discuss benefits and alternatives with the pregnancy care team.
Sources for this answer
- Famotidine 20 mg Film-coated Tablets — Current selected SmPCemc · Summary of Product Characteristics
- UK Teratology Information ServiceUK Teratology Information Service · Reputable Web
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.