As an opioid, dihydrocodeine can cause drowsiness, constipation, nausea and, in high doses or with misuse, dangerously slow breathing. Never exceed the prescribed dose. Do not drink alcohol or take other sedating medicines with it, and do not drive if affected. Tell your doctor about breathing problems, head injury, bowel problems, liver or kidney disease, or a history of substance dependence. Constipation is common. Ask about a laxative. Use in pregnancy or breastfeeding only on advice. Store securely below 25°C. This product information is for general guidance only and does not replace professional medical advice. Always consult a qualified healthcare provider before starting any new medication or supplement. Keep all medicines out of reach of children. Opioids are especially dangerous to children.