Ingredient

Chlorpheniramine Maleate

Chlorpheniramine maleate is an antihistamine that alleviates allergy symptoms.

All medicines
645
Single ingredient
4
Combination
641
Prescription medication
31
OTC medication
614

MFDS ingredient code M223211

What does it do?

This ingredient belongs to the class of antihistamines that suppress allergic reactions. It is primarily used to relieve various allergy symptoms such as allergic rhinitis, hives, and itching. It is also included in some cough medications to help relieve coughs.

Chlorpheniramine maleate works by blocking the binding of a substance called histamine, which causes allergic reactions, to its receptors, thus reducing symptoms. This helps relieve allergy symptoms such as nasal congestion, sneezing, and itching. It also has some effect on irritants that induce coughing, aiding in cough relief.

Commonly used for

Approved uses differ by product. Check each product's information for its actual use.

Good to know

This ingredient has a sedative effect compared to other antihistamines, which may cause drowsiness. Its cough-relieving effect is also notable, making it useful not only for allergy symptoms but also for cough treatment.

Medicines containing this ingredient

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Category
Dosage form
Strength
Category

645 total

Even with the same ingredient, dosage and approved uses can differ by strength, dosage form and combined ingredients. Check each product's information before taking it.

Combined ingredients

Ingredients used together with this ingredient in combination products.

Questions about this ingredient

  • QCan it be taken for a long time due to allergic rhinitis?

    Chlorpheniramine is commonly used for short-term symptom relief, but side effects such as drowsiness or dry mouth can persist, so it is not recommended to take it daily for a long time. If rhinitis symptoms last for an extended period, please consult a doctor or pharmacist to explore treatment options, including medications that cause less drowsiness.

    Answers 1 · 2026.09.14

  • QWhy do I feel sleepy after taking a medication with this ingredient?

    Chlorpheniramine is a first-generation antihistamine that can cause drowsiness as it blocks histamine action in the brain. It is commonly found in cold and rhinitis medications, so please avoid driving or engaging in hazardous activities after taking it, and do not consume alcohol as it can increase drowsiness significantly.

    Answers 1 · 2026.09.14

For anything that needs medical judgment, consult a doctor or pharmacist.

This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.