Answer
Selected product information advises against it. Specialist lactation guidance allows cautious use for a full-term, healthy infant but prefers omeprazole or pantoprazole, so seek individual professional advice.
Sources for this answer
- Rabeprazole sodium 20 mg gastro-resistant tablets — Current selected SmPCemc · Summary of Product Characteristics
- Pariet 20mg tablets — Current selected SmPCemc · Summary of Product Characteristics