Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers. Ask a doctor before use if you have a breathing problem such as emphysema or chronic bronchitis, glaucoma, trouble urinating due to an enlarged prostate gland. When using this product: avoid alcoholic drinks, drowsiness will occur, do not drive a motor vehicle or operate machinery. Stop use and ask a doctor if: sleeplessness persists continuously for more than 2 weeks. Insomnia may be a symptom of serious underlying medical illness. Keep out of reach of children. Overdose warning: in case of overdose, get medical help or contact a poison control center right away. (1-800-222-1222). If pregnant or breast-feeding, ask a health professional before use. Do not use: in children under 12 years of age, with any other product containing diphenhydramine, even one used on skin.