Reflux, frequent vomiting, or unsettled crying (colic). Loose stools (diarrhoea), constipation, or blood in poo. Persistent skin rashes like eczema, or hives after feeding. Poor weight gain, food refusal, or significant irritability - in our London Allergy Centre we aim to guide you through the process of including, and more often excluing, cows milk as a dietary trigger.