Do not give to children under 12 years of age. Do not use this product with other products containing diphenhydramine, even one used on skin. Ask a doctor before use if you have emphysema, chronic bronchitis, glaucoma, difficulty in urination due to an enlargement of the prostate gland. Ask a doctor or pharmacist before use it you are now taking sedatives or tranquilizers. When using this product avoid alcoholic beverages. Stop use and ask a doctor if sleeplessness persists for more than 2 weeks (Insomnia may be a symptom of a serious underlying medical illness). If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.