Answer
Stop taking it and contact the prescriber. Severe abdominal pain, especially with bleeding or faintness, needs urgent assessment because ectopic pregnancy must be considered.
Sources for this answer
- Zelleta and Desogestrel 75 micrograms Tablets — 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.