Follow the directions on the package exactly. Do not take this medicine during the last 3 months of pregnancy because it can harm the baby. Do not breast-feed an infant while you are taking this medicine. Please Note When taken at bedtime, some antihistamines can make you drowsy the next day. Do not drive or operate machinery unless you are fully alert.
Antihistamines increase the effects of alcohol and other depressants.
Do not drink alcohol or take other medicines unless your doctor approves. This medicine may make your skin more sensitive to the sun and may cause you to sunburn more easily. While you are taking this medicine, avoid long exposure to the sun and sunlamps. While you are in the sun, wear protective clothing and sunscreen lotion until you know how you will react to the sun. Do not use a sunlamp.