Chlorpheniramine is an antihistamine medication commonly used to relieve symptoms of allergy, hay fever, and the common cold.
It is available over-the-counter. Brand name: Chlor-Trimeton.
Key points:
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Class of Medication: It belongs to the class of first-generation antihistamines. It works by blocking the effects of histamine, a substance produced by the body during allergic reactions.
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Indications: It is used to relieve symptoms associated with allergic conditions, such as sneezing, itching, watery eyes, and runny nose. It can also help alleviate symptoms of the common cold.
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Action: It blocks the H1 receptors, preventing the binding of histamine. This action reduces the symptoms of allergic reactions.
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Side Effects: May include drowsiness, dizziness, dry mouth, blurred vision, or constipation. Older adults may be more sensitive to certain side effects, such as dizziness and urinary retention.
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Interactions: It may interact with alcohol and with other medications, including certain antidepressants and sedatives.
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Contraindications: Individuals with certain medical conditions, such as glaucoma, an enlarged prostate, or urinary retention, should consult with a healthcare professional.