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  3. REXTAS SYRUP 100ML

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REXTAS SYRUP 100ML, Pack of 1 SYRUP
Written By Urvashi Bharti , MBBS
Reviewed By Bayyarapu Mahesh Kumar , M Pharmacy
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Composition :

CHLORPHENIRAMINE-4MG/5ML + CODEINE-10MG/5ML

Return Policy :

Not Returnable

About REXTAS SYRUP 100ML

REXTAS SYRUP 100ML belongs to a class of medication called ‘cough and cold preparations’ primarily used to treat dry cough associated with a common cold or upper respiratory allergies. Coughing (dry or productive) is the body’s way of clearing irritants (like allergens, mucus, or smoke) from airways and preventing infection. There are two types of coughs: Dry cough and chesty cough. A dry cough is tickly and doesn't produce any vicious or thick mucus, while a chesty cough (wet cough) means mucous or sputum is produced to help clear your airways. 

REXTAS SYRUP 100ML is a combination of two drugs: Chlorpheniramine (antihistamine) and Codeine (cough suppressant). Chlorpheniramine belongs to the class of antihistamines (anti-allergic drugs) that works by blocking the action of histamine, a substance responsible for causing allergic reactions. Codeine belongs to the class of cough suppressants that blocks the μ-opioid receptor in the brain that produces cough, thereby decreasing the urge to cough.

Take REXTAS SYRUP 100ML as prescribed by your doctor. Take REXTAS SYRUP 100ML for as long as your doctor has prescribed it for you, depending on your medical condition. In some cases, you may experience certain side effects, including drowsiness, dry mouth, vomiting, blurred vision, constipation, dizziness, or tiredness. Most of these side effects of REXTAS SYRUP 100ML do not require medical attention and gradually resolve over time. However, if the side effects persist or worsen, please consult your doctor.

Please tell your doctor if you are allergic to REXTAS SYRUP 100ML or any other medicines. Drink plenty of fluids while taking REXTAS SYRUP 100ML to loosen mucus and protect yourself from being dehydrated or overheated during exercise. In hot weather, as REXTAS SYRUP 100ML contains chlorpheniramine, it decreases sweating and increases heatstroke risk. Do not take REXTAS SYRUP 100ML if you are pregnant or breastfeeding, as it may cause adverse effects on the baby. REXTAS SYRUP 100ML is not recommended for children below 18 years of age. Do not take REXTAS SYRUP 100ML if you have taken an MAO inhibitor (anti-depressant medication like Isocarboxazid, Phenelzine, Selegiline, and Tranylcypromine) in the last 14 days, as it may cause life-threatening drug interaction. REXTAS SYRUP 100ML is a habit-forming drug, and hence there is a risk of dependence on REXTAS SYRUP 100ML. So, before stopping REXTAS SYRUP 100ML, contact a doctor as it may cause withdrawal symptoms like anxiety, increased heart rate, tremors, or general unwell feelings.

Uses of REXTAS SYRUP 100ML

Dry Cough

Directions for Use

It is available in syrup and tablet forms.Tablet: Your doctor will recommend how often you take this medicine based on your medical condition. Do not crush, chew, or break the tablet.Syrup: Shake the bottle well before use. Check the label for directions and take this medicine on an empty stomach or as prescribed by your doctor with the help of a measuring cup provided with the pack.Do not use this medicine unless prescribed by your doctor. Always take it as your doctor told you. Your doctor will advise you on how often to take this medicine on the basis of your medical condition.

Medicinal Benefits

REXTAS SYRUP 100ML is a combination of two drugs: Chlorpheniramine and Codeine. Chlorpheniramine belongs to the class of antihistamines (anti-allergic drugs) that works by blocking the action of histamine, a substance responsible for causing allergic reactions. It helps to provide relief from allergy symptoms such as sneezing, running nose, watery eyes, itching, swelling, and congestion or stiffness. Codeine belongs to the class of narcotic cough suppressants that block the μ-opioid receptor in the brain that produces cough, thereby decreasing the urge to cough. REXTAS SYRUP 100ML is used to treat cough associated with a common cold or upper respiratory allergies.

Storage

Keep REXTAS SYRUP 100ML out of the sight and reach of children.

Drug Warnings

Please tell your doctor if you are allergic to REXTAS SYRUP 100ML or any other medicines. Do not take REXTAS SYRUP 100ML for a prolonged time; $ name contains codeine that may lead to mental or physical dependence on REXTAS SYRUP 100ML. Do not take REXTAS SYRUP 100ML if you are pregnant or breastfeeding, as it may cause adverse effects on the baby. REXTAS SYRUP 100ML is not recommended for children below 18 years of age. Do not use this medicine if you have used an MAO inhibitor in the past 14 days, as a dangerous drug interaction could occur. REXTAS SYRUP 100ML should be taken with extreme caution in patients who have a history of alcoholism or drug abuse. Drink plenty of fluids while taking REXTAS SYRUP 100ML to loosen mucus and protect yourself from being dehydrated or overheated during exercise. In hot weather, as REXTAS SYRUP 100ML contains chlorpheniramine, it decreases sweating and increases heatstroke risk. If you have high blood pressure, fits, glaucoma, hyperthyroidism (overactive thyroid), chronic bronchitis, asthma, cough with mucus, cough caused by smoking, chronic bronchitis or emphysema (a lung condition causing shortness of breath), chronic obstructive pulmonary disease (COPD), blockage in stomach or intestines, kidney, liver, heart or urinary problems, inform your doctor before taking REXTAS SYRUP 100ML.

Diet & Lifestyle Advise

  • Avoid dairy products such as milk, as it may increase mucus production. Also, avoid processed or refined foods to have relief from cough. Instead, replace baked foods, fried foods, white bread, white pasta, French fries, sugary desserts, and chips with green leafy vegetables.
  • Drink plenty of fluids to avoid dry throat while you cough and loosen mucus.
  • Avoid citrus fruits as they may worsen the cough. Eat fruits rich in water content such as pears, watermelon, peaches and pineapples.

Habit Forming

Yes

Therapeutic Class

COUGH AND COLD PREPARATIONS

REXTAS SYRUP 100ML Substitute

Substitutes safety advice

Product Substitutes

Author Details

Doctor image

Written By

Urvashi Bharti

MBBS

Bayyarapu Mahesh KumarDoctor badge

Reviewed By

Bayyarapu Mahesh Kumar

M Pharmacy

Last Updated

Jul 8, 2025 | 9:33 AM IST

Doctor imageWe provide you with authentic, trustworthy and relevant information

FAQs

REXTAS SYRUP 100ML is a combination of two drugs, namely; Chlorpheniramine and Codeine, which relieves dry cough. Chlorpheniramine Maleate is an antihistaminic that blocks the action of a chemical messenger (histamine), which may trigger a cough due to allergy. Codeine is a cough suppressant. It suppresses cough by reducing the activity of the cough centre in the brain.

Do not take REXTAS SYRUP 100ML with 'alprazolam' as co-administration of these two medicines may increase adverse effects such as sedation, respiratory depression, coma, and death. However, please consult a doctor before taking REXTAS SYRUP 100ML with other medicines.

REXTAS SYRUP 100ML is excreted in breast milk and may cause drowsiness, breathing problems, or death in a nursing baby. Therefore, if breastfeeding, please inform your doctor before taking REXTAS SYRUP 100ML. Your doctor will weigh the benefits and potential risks before prescribing them.

REXTAS SYRUP 100ML is not recommended for children below 18 years of age as a misuse of REXTAS SYRUP 100ML in children may lead to serious adverse effects. Codeine in REXTAS SYRUP 100ML may cause life-threatening respiratory depression and death in children who recently had surgery to remove the tonsils or adenoids.

REXTAS SYRUP 100ML may be used to provide relief from allergic symptoms such as sneezing, runny nose, throat irritation or watery eyes. REXTAS SYRUP 100ML contains Chlorpheniramine, an anti-allergic drug that works by blocking the action of histamine, a substance responsible for causing allergic reactions.

REXTAS SYRUP 100ML is unsafe to use in pregnancy. REXTAS SYRUP 100ML contains codeine, If you use REXTAS SYRUP 100ML while pregnant, your baby could become dependent on codeine. This can cause life-threatening withdrawal symptoms in the baby after it is born.

Yes, codeine in REXTAS SYRUP 100ML may cause mental or physical dependence if used for prolonged periods. Therefore, take REXTAS SYRUP 100ML only in dose and duration as advised by your doctor.

Drug-Drug Interactions Checker List

  • DIPHENHYDRAMINE
  • CETIRIZINE
  • BROMPHENIRAMINE
  • FEXOFENADINE
  • DEXTROMETHORPHAN
  • DULOXETINE
  • SERTRALINE
  • PAROXETINE
  • TRAZODONE
  • HYDROCODONE
  • BUPROPION
  • MORPHINE
  • OXYCODONE
  • ALPRAZOLAM
  • FLUVOXAMINE
  • DIAZEPAM
  • LORAZEPAM
  • NITRAZEPAM
  • PHENYTOIN
  • CLONAZEPAM
  • CARBAMAZEPINE

Special Advise

  • Do not take REXTAS SYRUP 100ML for a prolonged time as it may lead to mental or physical dependence on REXTAS SYRUP 100ML.
  • To avoid getting addicted to this drug, take it only in prescribed quantities and as directed by your doctor. Do not self-medicate.
  • REXTAS SYRUP 100ML causes drowsiness. Avoid doing activities that require your complete focus and attention, like driving when on this drug.
  • An abrupt stoppage of REXTAS SYRUP 100ML can lead to significant withdrawal symptoms. Always discuss with your doctor about decreasing the dosage before completely stopping its usage.
  • Avoid consuming alcohol while on this medication, as it can lead to dangerous side effects.
  • REXTAS SYRUP 100ML is unsafe for usage if you're pregnant or plan to get pregnant and breastfeed. Discuss with your doctor in such situations about changing/replacing the medicine with safer alternatives.

Disease/Condition Glossary

Cough: Coughing is the body’s way of clearing irritants (like allergens, mucus, or smoke) from airways and preventing infection. Coughs may be dry or productive. A productive cough (wet cough) brings sputum (phlegm, mucus, and other matter) from the lungs. Cough is commonly caused as a response to allergy or viral infection but coughing up mucus is possibly an indication of infection in the respiratory tract. If you are coughing thick, solid white mucus, it indicates you may have a bacterial infection in the airways. If the mucus is clear or light-coloured, it indicates you may have allergies or minor infections in the respiratory tract, and yellow or green mucus indicates a respiratory infection.

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