In Each Tablet: Warnings: 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. Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers. When using this product: marked drowsiness may occur; avoid alcoholic beverages; alcohol, sedatives, and tranquilizers may increase drowsiness; be careful when driving a motor vehicle or operating machinery; excitability may occur, especially in children. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of accidental overdose, contact a doctor or Poison Control Center immediately. Tamper-Resistant: Do not use if blister package is torn or open.