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. When using this product - avoid alcoholic beverages and other drugs that cause drowsiness, drowsiness will occur, be careful when driving a motor vehicle or operating machinery. Do not use - for children under 12 years of age, with any other product containing diphenhydramine, even one used on skin, with other drugs that cause drowsiness such as antihistamines and nighttime cold/flu products. When using this products - avoid alcoholic beverages and other drugs that cause drowsiness, drowsiness will occur, be careful when driving a motor vehicle or operating machinery. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children, overdose warning: taking more than directed can cause serious health problems. In case of overdose, get medical help or contact a poison control center away. If pregnant or brest-feeding, ask a health professional before use. Keep out of reach of children. Overdose warning: taking more than directed can cause serious health problem. In case of overdose, get medical help or contact a poison control center right away. Ask a doctor use if you have - a breathing problem such as asthma, emphysema or chronic bronchitis, glaucoma, difficulty in urination due to enlargement of the prostate gland, heart disease. Stop use and ask a doctor if sleeplessness persists continuously for more than 2 weeks. Insomnia may be symptom of serious underlying medical illness. Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers or any other sleep aid. Ask a doctor before use if have - a breathing problem such as asthma, emphysema or chornic bronchitis, glaucoma, difficulty in urination due to enlargement of the prostate gland , heat disease. Do not use - for children under 12 years of age, with any other products containing diphenhydramine, even one used used on skin, with other drugs that cause drowsiness such as antihistamines and nighttime cold/flu products.