What Are Some Possible Side Effects of Brompheniramine?

This is NOT a complete list of side effects reported with brompheniramine. The doctor, health care professional, or pharmacist can discuss a more complete list of side effects.

Antihistamines are typically well tolerated, and serious side effects are rare. The more common side effects are usually mild and may go away.

• The combination of an antihistamine with a decongestant, such as pseudoephedrine, may cause insomnia or anxiety.



• Antihistamines are more likely to cause dizziness, excessive sedation, lightheadedness, and low blood pressure in elderly individuals.



• Caution is needed with hazardous tasks or tasks requiring coordination, such as driving, riding a bicycle, or operating machinery.



• Urine retention, dry mouth, headache or blurred vision may occur.



• Brompheniramine may thicken bronchial secretions (caution with asthma).



• Brompheniramine may alter blood pressure or heart rhythm.