Karbinal ER Uses

How Does This Medicine Work?

Karbinal ER is an H1 receptor antagonist, commonly referred to as an antihistamine. It works by blocking a specific type of receptor in the body known as the histamine-1 (H1) receptor. Histamine is responsible for many of the symptoms of allergic reactions. Karbinal ER blocks histamine receptors, preventing histamine from binding to them, and thus preventing allergy symptoms.
Karbinal ER also blocks acetylcholine receptors. This leads to some of the bothersome "anticholinergic" side effects, such as dry mouth, constipation, and difficulty urinating. It also helps produce a "drying" effect, which can be helpful for some allergy symptoms, such as a runny nose.

Is It Safe for Children to Use Karbinal ER?

This drug is approved for use in children as young as two years old. Children may be particularly susceptible to sedation and reduced mental alertness from the medication. Younger children may experience the opposite reaction, however, and become excited and hyperactive.
Deaths have been reported in children less than two years old who took medicines containing carbinoxamine (the active ingredient in Karbinal ER). Therefore, Karbinal ER should not be taken by children under the age of two.

Can Older Adults Use It?

Karbinal ER can be used in older adults. However, older adults may be more likely to experience dizziness, low blood pressure, confusion, or extreme sedation from the medicine and, therefore, should be treated with the medication cautiously. If this medicine is to be used in an older adult, it is best to start it at a low dose.

Off-Label Uses for Karbinal ER

On occasion, your healthcare provider may recommend this medicine for something other than the uses listed in this article. This would be known as an off-label use. At this time, there are no widely accepted off-label uses for Karbinal ER.
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Karbinal ER Medication Information

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