You need to be aware of the following red flag symptoms. If a patient presents with any of the below they should be referred to the pharmacist:-
- They have been vomiting for more than 48 hours repeatedly with no improvement
- Unable to keep down any fluids
- Have signs of severe dehydration
- They have blood in their vomit
- They have lost a lot of weight since becoming ill
- Vomiting episodes occur frequently
