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Analgesic + Antipyretic + Decongestant + Antihistamine + Expectorant Combination

Coldrox Forte Syrup

Phenylephrine 5 mg. + Paracetamol 250 mg. + cholrpheniramine 2 mg + Sodium Citrate 60 mg + Ammonium Chloride 120 mg + Menthol 1 mg

Composition Phenylephrine 5 mg. + Paracetamol 250 mg. + cholrpheniramine 2 mg + Sodium Citrate 60 mg + Ammonium Chloride 120 mg + Menthol 1 mg
Packing 60 ml
MRP ₹ 105
Dosage Form Syrups & Suspensions

About Coldrox Forte Syrup

Coldrox Forte Syrup is a comprehensive cold and flu syrup containing Phenylephrine 5 mg, Paracetamol 250 mg, Chlorpheniramine 2 mg, Sodium Citrate 60 mg, Ammonium Chloride 120 mg, and Menthol 1 mg. This multi-component formulation tackles the full spectrum of cold and flu symptoms in a single syrup — fever, body aches, nasal congestion, runny nose, cough, and throat irritation.

Recommended by doctors for all-in-one relief during common cold, flu, and upper respiratory tract infections, Coldrox Forte Syrup simplifies treatment by combining six carefully selected active ingredients that work together to provide thorough and fast-acting symptom relief.

Uses of Coldrox Forte Syrup

This medicine is commonly used for:

  • Reducing fever and body aches during cold and flu
  • Clearing nasal and sinus congestion
  • Stopping runny nose and sneezing
  • Loosening and expelling chest mucus
  • Soothing throat irritation and cough caused by colds

Indications

Coldrox Forte Syrup is indicated for the symptomatic relief of fever, pain, nasal congestion, rhinorrhoea, and productive cough associated with the common cold, influenza, and upper respiratory tract infections. Paracetamol provides analgesic and antipyretic activity; Phenylephrine provides alpha-1 mediated nasal decongestant activity; Chlorpheniramine provides H1 antihistaminic activity for rhinorrhoea and sneezing; Sodium Citrate alkalinises bronchial secretions; Ammonium Chloride acts as an expectorant promoting cough secretion clearance; Menthol provides local anaesthetic and cooling mucosal relief.

How Coldrox Forte Syrup Works

Coldrox Forte Syrup works through six complementary mechanisms: Paracetamol reduces fever and body aches, Phenylephrine shrinks swollen nasal tissues to unblock the nose, Chlorpheniramine blocks histamine to reduce sneezing and runny nose, Sodium Citrate makes mucus less sticky and easier to cough up, Ammonium Chloride acts as an expectorant to promote mucus clearance, and Menthol provides a cooling, soothing sensation in the throat and airways.

Mechanism of Action

Paracetamol inhibits central prostaglandin synthesis to produce antipyretic and analgesic effects. Phenylephrine causes alpha-1 adrenergic vasoconstriction of nasal mucosal vessels, reducing engorgement and secretion. Chlorpheniramine competitively blocks peripheral and central H1 receptors, suppressing histamine-mediated symptoms of rhinorrhoea, pruritus, and sneezing. Sodium Citrate acts as an alkalinising expectorant, reducing bronchial secretion viscosity by raising pH. Ammonium Chloride acts as a systemic expectorant via gastric irritation and reflex stimulation of bronchial secretory glands, increasing mucus volume and reducing adhesiveness. Menthol stimulates cold receptors (TRPM8) in the nasal and pharyngeal mucosa, producing a subjective sensation of improved airflow and mild local anaesthesia.

Key Benefits

  • Six-in-one formula provides complete cold and flu symptom coverage
  • Paracetamol component relieves fever and muscle aches alongside respiratory symptoms
  • Menthol provides a comforting cooling sensation for sore throats and stuffy noses
  • Convenient single syrup avoids the need to take multiple separate medicines

Did You Know?

Menthol, the cooling ingredient in Coldrox Forte Syrup, does not actually open blocked nasal passages — it stimulates cold-sensitive nerve receptors (TRPM8) in the nose and throat to create the sensation of easier breathing, which is why it feels so refreshing even when the nose is still congested.

When & How to Take

Coldrox Forte Syrup should be taken as prescribed by your doctor, usually after meals. Chlorpheniramine may cause drowsiness, so avoid driving or operating machinery. Do not combine with other paracetamol-containing products. Follow your doctor's prescribed dose and duration.

Always follow the dosage and schedule advised by your doctor — this is general guidance only.

Possible Side Effects

Drowsiness from Chlorpheniramine, mild dryness of mouth, and mild gastric discomfort are the most commonly reported side effects. Phenylephrine may cause a slight increase in blood pressure in some patients. Tell your doctor if any side effect is severe or persistent.

Precautions & Safety

  • Do not combine with other cold, analgesic, or antihistamine medicines to avoid ingredient overlap
  • Avoid alcohol — it worsens the sedative effect of Chlorpheniramine
  • Inform your doctor if you have high blood pressure, heart disease, liver disease, or diabetes
  • Avoid driving or machinery use due to possible drowsiness
  • Keep out of reach of children

Myths vs Facts

Myth

A multi-ingredient cold syrup means a stronger, faster cure for colds.

Fact

Multi-ingredient syrups like Coldrox Forte treat multiple symptoms simultaneously for better comfort, but they do not shorten the duration of the cold itself. The virus still runs its natural course, usually 5–7 days.

Myth

You can take Coldrox Forte alongside regular paracetamol tablets for faster fever relief.

Fact

Coldrox Forte already contains Paracetamol 250 mg per dose. Taking additional paracetamol tablets at the same time risks exceeding the safe daily dose and can harm the liver.

Frequently Asked Questions

Coldrox Forte Syrup treats the full range of cold and flu symptoms — fever, body aches, blocked nose, runny nose, sneezing, mucus in the chest, and throat irritation — all in one syrup.
No — Coldrox Forte already contains Paracetamol. Taking additional paracetamol alongside it can lead to an overdose. Always tell your doctor all the medicines you are taking.
It may cause drowsiness in some people due to the Chlorpheniramine component. Avoid driving or operating heavy machinery after taking this syrup, especially if you notice drowsiness.
Medical disclaimer: This information is for general awareness and education only and is not a substitute for professional medical advice. Coldrox Forte Syrup is a pharmaceutical product to be used only as prescribed by a registered medical practitioner. Always read the package insert and consult your doctor or pharmacist before use. Biozia Lifesciences markets this product to licensed pharmacy and healthcare businesses.

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