- Severe watery diarrhoea and tummy (abdominal) cramps: signs of a serious bacterial infection of the gut.
- Clostridium difficile infection.
- Shortness of breath, hives, rash, swelling (of the lips, face, or tongue), fainting: signs of an allergic reaction.
- Vaginal itching or discharge: signs of vaginal thrush.
- White patches on the tongue: signs of oral thrush.
- Being sick (vomiting).