Keep out of reach of children. In case of overdose, get medical help or contact a poison center right away. When using this product marked drowsiness may occur, avoid alcohol drinks, alcohol sedatives, and tranquilizers may in crease drowsiness, be careful when driving a motor vehicle or operating machinery, excitability may occur, especially in children. Temporarlly relieves these symptoms due to hay fever or other upper respiratory allergies: runny nose, itchy, watery eyes, sneezing, itching of the nose or throat, temporarily relieves these symptoms due to the common cold: runny sneezing. Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers. Ask a doctor or before use if you have a breathing problems such as emphysema or chronic bronchitis, glaucoma, trouble urinating due to an enlarged prostate gland. Do not use, to make a child sleepy, with any other product containing diphenhydramine, even one used on skin. If pregnant of breast-feeding, ask a health professional before use.