In Each Chewable Tablet: Warnings: Do not use: to sedate a child or to make a child sleepy; with any other product containing diphenhydramine, even one used on skin. Ask a doctor before use if you have: glaucoma; trouble urinating due to enlarged prostate gland; cough that occurs with too much phlegm (mucus); a breathing problem or chronic cough that lasts or as occurs with smoking, asthma, chronic bronchitis, or emphysema. Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers. When using this product: may cause marked drowsiness; avoid alcoholic drinks; alcohol, sedatives, and tranquilizers may increase drowsiness; be careful when driving a motor vehicle or operating machinery; excitability may occur, especially in children. Stop use and ask a doctor if cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache. These could be signs of a serious condition. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach or children. In case of overdose, get medical help or contact a Poison Control Center right away. Tamper Evident: Do not use if packaging is opened or if blister unit is torn, broken or missing.