Answer
Oral capsules and liquids generally take one to three days. The Norgalax micro-enema usually acts within minutes, so remain near a toilet.
Sources for this answer
- NHSNHS · NHS medicine guidance
- Norgalax — 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.