What is chlorpheniramine tablets?
Chlorpheniramine tablets are a common anti-allergic drug mainly used to relieve allergic symptoms. In recent years, with the increase in the incidence of allergic diseases, the frequency of use of chlorpheniramine tablets has gradually increased. This article will introduce in detail the ingredients, functions, indications, usage and dosage of chlorpheniramine tablets, and precautions to help everyone better understand and use this drug.
1. Basic information about chlorpheniramine tablets
| Project | content |
|---|---|
| common name | Chlorpheniramine tablets |
| English name | Chlorphenamine Tablets |
| Main ingredients | Chlorpheniramine maleate |
| drug class | antihistamines |
| Dosage form | tablet |
| Specifications | 4mg/tablet |
2. The mechanism of action of chlorpheniramine tablets
Chlorpheniramine tablets are a first-generation antihistamine that inhibits allergic reactions caused by histamine mainly by blocking histamine H1 receptors. Histamine is an important mediator released in allergic reactions, which can cause vasodilation, increased capillary permeability, smooth muscle contraction, etc., thereby causing symptoms such as sneezing, runny nose, and skin itching. Chlorpheniramine tablets can effectively relieve these symptoms.
3. Indications of Chlorpheniramine Tablets
| Indications | specific symptoms |
|---|---|
| allergic rhinitis | Sneezing, runny nose, nasal congestion, nasal itching |
| Urticaria | Skin itching, redness, swelling, wheals |
| allergic conjunctivitis | Itchy eyes, tearing, conjunctival congestion |
| Other allergic diseases | Drug allergies, food allergies, etc. |
4. Usage and dosage of chlorpheniramine tablets
| crowd | Usage and dosage |
|---|---|
| adult | 4mg each time, 3 times a day |
| children | 6-12 years old: 2 mg each time, 3 times a day; 2-6 years old: 1 mg each time, 3 times a day |
| elderly | Reduce dosage as appropriate |
5. Precautions for Chlorpheniramine Tablets
1.Contraindications: It is forbidden for those who are allergic to chlorpheniramine; it should be used with caution by patients with glaucoma, prostatic hypertrophy and asthma.
2.adverse reactions: Drowsiness, fatigue, dry mouth, etc. are common; a few patients may experience dizziness, nausea, and loss of appetite.
3.drug interactions: Combined use with central nervous system depressants (such as sedative-hypnotics) will enhance the inhibitory effect; combined use with alcohol will aggravate drowsiness.
4.Special groups: Pregnant and lactating women should use it under the guidance of a doctor; children should take it strictly according to the dosage.
6. Purchase and storage of chlorpheniramine tablets
Chlorpheniramine tablets are OTC drugs and can be purchased directly in pharmacies. When storing, it should be protected from light, sealed, and placed in a cool and dry place to prevent children from accidentally taking it.
7. Summary
Chlorpheniramine tablets are an efficient and economical anti-allergic drug that is widely used in the treatment of various allergic diseases. Correct use of chlorpheniramine tablets can effectively relieve allergic symptoms and improve quality of life. However, during use, you need to pay attention to its adverse reactions and contraindications, and consult a doctor or pharmacist if necessary.
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