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Same active ingredient — pay up to 36% less
These brands contain the same active ingredient (Chlorpheniramine Maleate). Same strength and form. Confirm the switch with your doctor or pharmacist.
More from G-Antihistamine
Other strengths and forms by Gonoshasthaya Pharmaceuticals Ltd.
Indications & Uses
G-Antihistamine is indicated for:
Pharmacology
Chlorpheniramine Maleate belongs to the alkylamine group of antihistamines and is regarded as one of the most potent H1-receptor blockers available. It works by competitively blocking H1 receptors, and compared with promethazine, it generally produces less sedation.
Dosage Reference
Reference Information Only
Dosages shown are general references from official sources. Always consult your doctor or pharmacist for personalized dosing.
Adults:
Adults: the usual dose is 4 mg every 4 to 6 hours, up to a maximum of 24 mg a day. Children aged 6 to 12 years: 2 mg every 4 to 6 hours, up to a maximum of 12 mg a day. Children aged 2 to 5 years: 1 mg every 4 to 6 hours, up to a maximum of 6 mg a day. Children aged 1 to 2 years: 1 mg twice a day. Chlorpheniramine Maleate is not recommended for children under 1 year of age.
Side Effects
Antismin is generally well tolerated. Occasionally, it may cause drowsiness, dizziness, muscle weakness, or stomach upset.
Cautions & Contraindications
Warnings & Precautions
Antismin should be used with caution in patients with glaucoma or an enlarged prostate (prostatic hypertrophy). While taking chlorpheniramine, care should be taken when driving or operating machinery.
Contraindications
Chlorpheniramine should not be used in people who are allergic to it, or in newborn or premature babies.
Pregnancy & Breastfeeding
Chlorpheniramine maleate should be avoided by breastfeeding mothers and by pregnant women, particularly during the first trimester.
⚠️ Talk to your doctor before taking any medicine during pregnancy or while breastfeeding.
Overdose
An overdose of Chlorpheniramine Maleate can cause CNS depression, which includes sedation, apnea and CV collapse. It can also cause CNS stimulation, which includes insomnia, hallucination, tremors and convulsions. Other signs are tinnitus, blurred vision, dizziness, ataxia and hypotension.
Stimulation and atropine-like signs and symptoms are more likely in children. These include dry mouth, fixed dilated pupils, flushing, hyperthermia and Gl symptoms.
⚠️ In an emergency call 999 or go to the nearest hospital emergency department.
Storage
Keep Chlorpheniramine Maleate in a cool, dry place, below 25°C, and away from light. Keep it out of the reach of children.
Drug Interactions
Common questions about G-Antihistamine 4 mg
What is G-Antihistamine 4 mg Tablet?
G-Antihistamine 4 mg Tablet is a medicine that contains Chlorpheniramine Maleate. It is made by Gonoshasthaya Pharmaceuticals Ltd. It belongs to the Sedating Anti-histamine group of medicines.
What is G-Antihistamine used for?
G-Antihistamine is used for: Allergic Rhinitis, Cough, Nausea and Vomiting, Urticaria, Edema.
What are the side effects of G-Antihistamine?
Antismin is generally well tolerated. Occasionally, it may cause drowsiness, dizziness, muscle weakness, or stomach upset.
Can I take G-Antihistamine during pregnancy or while breastfeeding?
Chlorpheniramine maleate should be avoided by breastfeeding mothers and by pregnant women, particularly during the first trimester. Talk to your doctor before taking any medicine during pregnancy or while breastfeeding.
What happens if I take too much G-Antihistamine?
An overdose of Chlorpheniramine Maleate can cause CNS depression, which includes sedation, apnea and CV collapse. It can also cause CNS stimulation, which includes insomnia, hallucination, tremors and convulsions. In an emergency call 999 or go to the nearest hospital emergency department.
How should I store G-Antihistamine?
Keep Chlorpheniramine Maleate in a cool, dry place, below 25°C, and away from light. Keep it out of the reach of children.
Can I take other medicines with G-Antihistamine?
Some medicines can interact with Chlorpheniramine Maleate, for example: Noradrenaline, Kanamycin, Adrenaline. Tell your doctor or pharmacist about every medicine you take.
Is there a cheaper medicine with the same ingredient?
Denamine by Desh Pharmaceuticals Ltd. has the same ingredient and strength for ৳0.16 per unit, compared with ৳0.25 for G-Antihistamine. Ask your doctor or pharmacist before switching.
Do I need a prescription for G-Antihistamine?
G-Antihistamine is a prescription (Rx) medicine. Take it as your doctor advises.