Do not use: For children under 12 years of age. With any other product containing diphenhydramine, even one used on skin. Ask a doctor before use if you have: A breathing problem such as emphysema or chronic bronchitis. Glaucoma. Difficulty in urination due to enlargement of the prostate gland. Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers. When using this product: Avoid alcoholic beverages. Stop use and ask a doctor if: Sleeplessness persists continuously for more than 2 weeks. Insomnia maybe 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. Tamper Evident: Do not use if printed shrinkband is missing or broken.