Settle your stomach

Dodgy tum? ‘Drink plenty of fluids, use rehydration sachets to prevent dehydration and loperamide to slow diarrhoea,’ says Dr Holmes. ‘Eat little and often – plain toast, crackers or rice; avoid dairy and fresh fruit. If you feel faint or symptoms aren’t easing, get medical advice.’ Dioralyte Blackcurrant (£3.99 for 6 sachets, Boots).