Discontinue use and consult a health care practitioner if symptoms of digestive upset (e.g. diarrhoea) occur, worsen, or persist beyond 3 days. This product has been in contact with milk. Do not use this product if you are allergic to milk. Do not use if you are experiencing nausea fever, vomiting, bloody diarrhoea or severe abdominal pain. Do not use if you have an immune-compromised condition (e.g. AIDS, lymphoma, patients undergoing long-term corticosteroid treatment).