Coldrex Tablet

About Coldrex Tablet

Coldrex Tablet Uses

• Relief of common cold and flu symptoms including nasal congestion, cough, and throat irritation.
• Reduction of fever and elevated body temperature associated with cold and influenza.
• Management of mild to moderate body aches, headaches, and muscular pain.
• Symptomatic relief of sinus congestion and pressure.
• Alleviation of general discomfort during acute respiratory infections.

Coldrex Tablet Benefits

• Rapid relief of multiple cold and flu symptoms with a single tablet.
• Reduces fever effectively restoring comfort and normal body temperature.
• Relieves nasal congestion allowing easier breathing and improved sleep.
• Minimizes body aches and headaches associated with viral infections.
• Convenient combination formula reduces need for multiple medications.

What Experts Say

Coldrex contains paracetamol for fever and pain reduction, pseudoephedrine for nasal decongestant action, and chlorpheniramine as an antihistamine. This combination addresses multiple pathways of cold and flu symptoms. Paracetamol works by inhibiting prostaglandin synthesis providing antipyretic and analgesic effects. Pseudoephedrine acts as a sympathomimetic amine causing vasoconstriction of nasal blood vessels and reducing mucosal edema. Chlorpheniramine antagonizes histamine H1 receptors reducing allergic symptoms and sneezing.

The pharmacokinetics of Coldrex components allow rapid absorption with onset of action within 30 minutes. Paracetamol is metabolized hepatically with a half-life of 2 to 3 hours. Pseudoephedrine undergoes partial metabolism with excretion occurring within 24 hours. The antihistamine provides sustained symptom relief for several hours. Peak plasma concentrations are achieved within 1 hour of oral administration.

Clinical efficacy of combination cold remedies has been demonstrated in multiple trials showing symptom improvement within 24 to 48 hours of treatment initiation. The combination approach addresses the multifactorial nature of cold and flu symptoms including fever, pain, congestion, and allergic reactions. Patient tolerance is generally favorable with most individuals experiencing symptom resolution within 5 to 7 days during acute infection.

Drug Class

• Combination Decongestant and Antihistamine with Analgesic

Packaging and Quantity

Blister strip containing 10 tablets or packaged in boxes of 2 strips with 10 tablets each.

When Not to Use Coldrex

• Known hypersensitivity to paracetamol, pseudoephedrine, chlorpheniramine, or any inactive component.
• Severe hypertension or uncontrolled high blood pressure.
• Hyperthyroidism or thyroid disease.
• Concurrent use of monoamine oxidase inhibitors (MAOIs).
• Severe coronary artery disease or recent myocardial infarction.
• Urinary retention or severe prostate enlargement.
• Angle-closure glaucoma.

Coldrex Tablet formula

• Chlorpheniramine Maleate + Paracetamol + Dextromethorphan

Available forms

• Tablets

How to use Coldrex Tablet?

• Take orally one tablet every 6 hours with or without food.
• Swallow tablet whole with adequate water.
• Maximum dose is 4 tablets in 24 hours.
• Do not exceed recommended dosage.
• Use for the shortest duration necessary.
• Consult your doctor if symptoms persist beyond 7 days.

Drug Interactions

Coldrex may interact with various medications affecting its efficacy or safety:

• Monoamine oxidase inhibitors (MAOIs): Concurrent use may cause severe hypertensive crisis; absolute contraindication.
• Other sympathomimetic agents: Combining pseudoephedrine with other decongestants may increase risk of hypertension and cardiac effects.
• Central nervous system depressants: Alcohol and sedatives potentiate anticholinergic effects of chlorpheniramine.
• Beta-blockers: Pseudoephedrine may reduce antihypertensive efficacy.
• Tricyclic antidepressants: Additive anticholinergic effects may occur.

Risks and warnings

• Liver disease: Paracetamol is metabolized hepatically; use with caution in hepatic impairment.
• Hypertension: Pseudoephedrine may elevate blood pressure; monitor in hypertensive patients.
• Heart disease: Sympathomimetic component may increase cardiac workload; use cautiously in cardiac patients.
• Urinary retention: Anticholinergic effects may worsen urinary obstruction.
• Glaucoma: Antihistamine effects may increase intraocular pressure.
• Pregnancy and breastfeeding: Use only under medical supervision; paracetamol is considered safer than other components during pregnancy.
• Prolonged use: May result in tolerance and rebound congestion; limit use to 5 to 7 days.

Coldrex Tablet Side Effects

Common side effects are generally mild and transient with continued use. Following are frequently reported adverse effects:

• Drowsiness and mild sedation from antihistamine component.
• Dry mouth and throat.
• Mild dizziness or lightheadedness.
• Nervousness or slight tremor from decongestant.
• Mild gastrointestinal discomfort.

Serious side effects requiring medical attention:

• Severe allergic reaction with rash, swelling of face or throat, and difficulty breathing.
• Severe hypertension or hypertensive crisis.
• Cardiac arrhythmias or chest pain.
• Severe liver dysfunction.

Storage Conditions

• Store the medicine at room temperature
• Keep out of reach and sight of children
• Protect it from sunlight and moisture