Benadryl® (
diphenhydramine hydrochloride) is an antihistamine medication available both over the counter and with a prescription. It is used for treating a number of different conditions, including
allergies and
insomnia.
Before you start taking Benadryl, risks associated with the use of antihistamines should be reviewed. It is important to know that the medication can cause blurred vision, dizziness, and drowsiness; be sure to see how Benadryl affects you before driving or operating heavy machinery. Benadryl can cause breathing problems in people with
asthma or
COPD, including chronic bronchitis and
emphysema. If you have these conditions, check with your healthcare provider before taking Benadryl.
There are also a number of side effects that may occur with Benadryl. The most common side effects of Benadryl are thought to include:
- Sedation (a feeling of sleepiness and reduced anxiety)
- Drowsiness
- Dizziness
- Coordination problems
- Indigestion or heartburn
- Thickening of bronchial secretions (chest mucus).
