11 side effects
| Side effect | Frequency | NHS |
|---|
| Allergic reaction | common | Allergic reaction |
| Bruising | rare | Bruising more than usual |
| Diarrhoea | common | Diarrhoea |
| Diarrhoea with blood | rare | Diarrhoea with blood or mucus |
| High temperature | rare | High temperature |
| Joint pain | rare | Joint or muscle pain |
| Liver problems | rare | Liver or gallbladder problems |
| Nausea | common | Nausea |
| Serious allergic reaction | rare | Serious allergic reaction (anaphylaxis) |
| Skin rash | common | Skin rash |
| Swollen glands | rare | Swollen glands |
3 additional sourcesdidn't return structured side-effect data: Mayo Clinic, WebMD, MedlinePlus.
Demographic risk groups
| Group | Risk | Sources |
|---|
| Those taking the contraceptive pill | Contraceptive pills may not protect from pregnancy with severe diarrhoea | NHS |