Product Overview
【Drug Name】
Generic Name: Chlorpheniramine Maleate Tablets
Brand Name: Nanguo Chlorpheniramine Maleate Tablets 4mg*100 tablets
Pinyin Code: MaLaiSuanLvBenNaMinPian
【Main Ingredients】
Each tablet contains 4 mg of chlorpheniramine maleate. Excipients include: dextrin, starch, sucrose, lactose, calcium hydrogen phosphate, sodium carboxymethyl starch, and magnesium stearate.
【Appearance】
This product is a white tablet.
【Indications/Main Functions】
This product is suitable for skin allergies: urticaria, eczema, dermatitis, drug eruption, pruritus, neurodermatitis, insect bites, and photodermatitis. It can also be used for allergic rhinitis, vasomotor rhinitis, drug and food allergies.
【Specifications】
4mg*100 tablets (Nanguo)
【Dosage and Administration】
Oral administration. Adults: 1 tablet each time, 3 times a day.
【Adverse Reactions】
The main adverse reactions are drowsiness, thirst, polyuria, sore throat, fatigue, weakness, palpitations, skin ecchymosis, and bleeding tendency.
【Contraindications】
Not yet clear.
【Precautions】
1. Elderly patients should use under the guidance of a physician.
2. Do not drive, operate machinery, work at heights, or operate precision instruments while taking this medication.
3. Consult a physician or pharmacist for children's dosage.
4. Not suitable for newborns or premature infants.
5. Use with caution in pregnant and lactating women.
6. Use with caution in patients with bladder neck obstruction, pyloric or duodenal obstruction, hyperthyroidism, glaucoma, peptic ulcer, hypertension, and benign prostatic hyperplasia.
7. If an overdose occurs or severe adverse reactions occur, seek medical attention immediately.
8. Contraindicated in patients with known hypersensitivity to this product; use with caution in patients with allergic constitution.
9. Do not use if the product's appearance changes. 10. Keep this product out of reach of children.
11. Children must use this product under adult supervision.
12. If you are using other medications, please consult your doctor or pharmacist before using this product.
【Drug Interactions】
1. This product should not be taken concurrently with compound cold medicines containing antihistamines (such as chlorpheniramine maleate, diphenhydramine, etc.).
2. This product should not be taken concurrently with medications containing anticholinergic drugs (such as belladonna preparations, atropine, etc.).
3. When combined with antipyretic analgesics, it may enhance their analgesic and symptom-relieving effects.
4. When used concurrently with central nervous system sedatives, hypnotics, tranquilizers, or ethanol, it may increase the inhibitory effect on the central nervous system.
5. This product may enhance the effect of antidepressants and should not be used concurrently.
6. Drug interactions may occur when used with other medications; please consult your doctor or pharmacist for details.
【Pediatric Use】
Not yet clear.
【Geriatric Use】
Not yet clear.
【Use in Pregnant and Lactating Women】
Not yet clear.
【Overdosage】
Not yet clear.
【Pharmacology and Toxicology】
As a histamine H1 receptor antagonist, this product counteracts vasodilation caused by allergic reactions, reduces capillary permeability, and relieves wheezing caused by bronchial smooth muscle contraction. It has a relatively long-lasting antihistamine effect and also exhibits significant central nervous system depressant effects, enhancing the effects of anesthetics, analgesics, hypnotics, and local anesthetics. This product is primarily metabolized in the liver.
【Pharmacokinetics】
Not yet clear.
【Storage】
Protect from light and store in a tightly closed container.
【Packaging】
High-density polyethylene bottle, 100 tablets per bottle.
【Shelf Life】
24 months
【Approval Number】
National Drug Approval Number H44023624
【Manufacturer】
Guangdong Nanguo Pharmaceutical Co., Ltd.
