Sedating antihistamines over the counter

Some common kinds you can buy over the counter include: Note: Some antihistamines are mixed with other medicines.

Unfortunately, histamines cause the itching, sneezing, runny nose, and watery eyes associated with allergies. These were among the first antihistamines scientists developed. They work in the part of the brain that controls nausea and vomiting. The most common side effects of first-generation antihistamines is feeling sleepy.

For this reason, they are sometimes used to help people who have trouble sleeping (insomnia).

of antihistamines on signs and symptoms of the common cold. Background On average, young children have six to eight colds per year and adults have two to four.

Common cold symptoms include sore throat, nasal stuffiness and discharge, sneezing and cough.

If you have any questions about how much medicine to take, call your family doctor or pharmacist.