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compositionComposition:CHLORPHENIRAMINE-4MG+CODEINE-10MG
prescription
Prescription Medicine
info
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Rexnol Syrup is used to treat dry cough associated with a common cold or upper respiratory allergies. It contains Chlorpheniramine and Codeine, which works by blocking the action of histamine, a substance responsible for causing allergic reactions. Also, it decreases the urge to cough. In some cases, you may experience certain side effects, such as drowsiness, dry mouth, vomiting, blurred vision, constipation, dizziness, or tiredness. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.

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Written By Dr. Lakshmithulasi Yarragunta , PharmD (PB)
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
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More about the Product

Composition :

CHLORPHENIRAMINE-4MG+CODEINE-10MG

Manufacturer/Marketer :

Knoll Pharmaceuticals Ltd

Consume Type :

Oral

Expires on or after :

Jan-27

Return Policy :

Not Returnable

About Rexnol Syrup

Rexnol Syrup syrup is a prescription cough medicine used for dry cough relief and allergy-related upper respiratory symptoms. It combines an antihistamine with an opioid cough suppressant to reduce a persistent, dry, tickling cough and symptoms such as sneezing, watery eyes, and a runny nose.

Take this prescription cough syrup exactly as directed by your doctor. It may be taken with or without food, although taking it with a small meal can help if it causes stomach discomfort. Drinking warm fluids, staying hydrated, and reducing exposure to dust or other known triggers may also help soothe a dry, irritated throat.

Common side effects include drowsiness, dizziness, dry mouth, and constipation. These effects can be more noticeable when you first start treatment. Seek medical attention promptly if you develop slow or difficult breathing, extreme sleepiness, severe confusion, or an allergic reaction.

Tell your doctor before using this medicine if you have asthma, COPD, liver or kidney disease, difficulty urinating, or other conditions that may affect breathing or alertness. Codeine can cause serious breathing problems and dependence, so it should be used only as prescribed. It is not recommended for children under 12 years, and special precautions apply to adolescents and other people at increased risk of opioid-related breathing problems.

Avoid alcohol and other medicines that cause drowsiness unless your doctor specifically advises otherwise. If you are pregnant or breastfeeding, discuss the risks and benefits with your healthcare professional before using this medicine.

Uses of Rexnol Syrup

Rexnol Syrup is used in the treatment of Cough. The detailed uses of Rexnol Syrup are as follows:

  • Dry Cough: It acts on the brain's cough center to suppress the reflex that makes you cough, providing relief from dry, hacking coughs that do not produce phlegm.
  • Allergic Cough: It blocks natural substances in the body that trigger allergy symptoms, helping to quiet a cough while relieving runny nose, watery eyes, and sneezing.

Key Benefits

  • Dry cough relief: Helps reduce the urge to cough when a persistent, dry cough is interfering with daily activities or sleep.
  • Relieves allergy symptoms: Chlorpheniramine helps control sneezing, watery eyes, and a runny nose associated with allergies.
  • Improves rest: By reducing troublesome coughing, it may make it easier to rest and sleep comfortably.
  • Short-term symptom control: It helps manage uncomfortable cough and allergy symptoms while the underlying cause is being addressed.

Directions for Use

  • Rexnol Syrup can be taken with or without food or as advised by your doctor.
  • Follow your doctor's instructions on the dosage and timing of this medication.
  • Measure the prescribed dose using a measuring cup to get an accurate dose and administer it orally.
  • Avoid using regular household spoons, as they may not measure the dose correctly.
  • Shake well before use.

How Rexnol Syrup Works

Rexnol Syrup contains two medicines that work in different ways. Codeine acts on the cough-control areas of the brain to reduce the urge to cough, making it useful for a dry, irritating cough. Chlorpheniramine is an antihistamine that blocks the effects of histamine, a substance involved in allergic reactions. This helps reduce sneezing, watery eyes, and a runny nose. Together, they provide dry cough relief while also controlling allergy-related symptoms.
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Alcohol

Unsafe

Avoid consumption of alcohol with Rexnol Syrup as it may increase the risk of drowsiness and other adverse effects.

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Pregnancy

Unsafe

Rexnol Syrup is not recommended for use during pregnancy. Rexnol Syrup may cause harmful effects on the baby (foetus). Please consult your doctor. So your doctor will weigh the benefits and potential risks before prescribing Rexnol Syrup for you.

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Breast Feeding

Unsafe

Rexnol Syrup may be excreted in breast milk and cause harm to the baby. Therefore, Rexnol Syrup should not be used by breastfeeding mothers without consulting a doctor.

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Driving

Unsafe

Rexnol Syrup may cause dizziness, drowsiness, blurred vision, or impaired thinking in some people. Therefore, drive only if you are alert after taking Rexnol Syrup .

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Liver

Caution

Take Rexnol Syrup with caution, especially if you have a history of liver disease. The dose may be adjusted by your doctor as required.

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Kidney

Caution

Take Rexnol Syrup with caution, especially if you have a history of kidney disease. The dose may be adjusted by your doctor as required.

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Children

Unsafe

Rexnol Syrup is not recommended for children below 18 years of age.

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Heart

Caution

Please inform your doctor if you have heart problems before taking Rexnol Syrup , as it may cause chest pain, fast or irregular heartbeats, and increased blood pressure, which can worsen certain cardiac conditions.

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Geriatrics

Caution

Please inform your doctor if you are geriatric before taking Rexnol Syrup , as it may cause dizziness, drowsiness, constipation, confusion, and breathing difficulties, which can be more severe in older adults.

What if I have taken an overdose of Rexnol Syrup

An overdose of codeine can be life-threatening. Seek emergency medical attention immediately if too much medicine has been taken, particularly if there is extreme sleepiness, confusion, pinpoint pupils, slow or shallow breathing, difficulty waking, or loss of consciousness.

Diet & Lifestyle Advise

  • Stay hydrated: Drink enough fluids throughout the day to soothe your throat and help prevent constipation.
  • Choose fiber-rich foods: Fruits, vegetables, and whole grains can help maintain regular bowel movements.
  • Soothe dry airways: A cool-mist humidifier may help relieve throat and airway irritation.
  • Avoid alcohol: Alcohol can greatly increase drowsiness and the risk of dangerous breathing problems.
  • Avoid excessive sedation: Do not combine this medicine with sleeping pills, sedatives, or other drowsiness-causing products unless prescribed.
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How Soon It Starts Working

The time required for Rexnol Syrup to start to work: Rexnol Syrup ideally shows its action within 30 minutes after administration. The time for which the effects of Rexnol Syrup last: The effect of Rexnol Syrup lasts for 4 to 6 hours.

What if you forget to take Rexnol Syrup

If you take this medicine on a regular schedule and miss a dose, take it when you remember unless it is nearly time for your next dose. If it is close to the next dose, skip the missed dose and continue with your usual schedule. Do not take two doses together to make up for a missed dose

Storage

• Store Rexnol Syrup according to the storage instructions provided on the specific product label. Keep the bottle tightly closed and protect it from excessive heat, moisture, and direct light.

Drug Warnings

  • Measure carefully: Use the supplied measuring device to avoid taking too much medicine.
  • Avoid driving: Do not drive or operate machinery until you know how the medicine affects your alertness.
  • Avoid alcohol: Combining alcohol with codeine can dangerously increase sedation and breathing problems.
  • Check other medicines: Some cold, allergy, sleep, and pain medicines may contain ingredients that cause additional drowsiness.
  • Watch for breathing problems: Seek urgent medical help for slow, shallow, or difficult breathing or extreme difficulty waking.
  • Use only as prescribed: Codeine can cause physical dependence and misuse, particularly with prolonged or inappropriate use.
  • Keep away from children: Codeine-containing cough medicines can cause serious or fatal breathing problems in young children.

Drug-Drug Interactions

verifiedApollotooltip
  • Sleeping pills, sedatives, or benzodiazepines: Combining these with codeine can cause profound sedation, respiratory depression, coma, or death.
  • Other opioids or strong pain medicines: Can increase sedation and breathing problems.
  • Other antihistamines: May increase drowsiness, dry mouth, blurred vision, and difficulty urinating.
  • MAO inhibitors: These can interact with the ingredients and may cause serious reactions. Tell your doctor if you currently take or recently stopped an MAOI.
  • Other cough and cold medicines: Check the ingredients carefully to avoid accidentally taking overlapping medicines.
No Drug - Drug interactions found in our data. We may lack specific data on this medicine and are actively working to update our database. Consult your doctor for personalized advice

Drug-Drug Interactions

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Drug-Food Interactions

verifiedApollotooltip
  • Alcohol: Avoid completely because it can greatly increase the sedative and respiratory effects of codeine.
  • Food: The syrup can generally be taken with or without food, but taking it with food may help reduce stomach discomfort.
No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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All Substitutes & Brand Comparisons

Habit Forming

Yes

Therapeutic Class

[COUGH AND COLD PREPARATIONS ]

FAQs

Rexnol Syrup is used to treat dry cough associated with a common cold or upper respiratory allergies.
Rexnol Syrup is a combination of two drugs, namely, Chlorpheniramine and Codeine, which relieves a dry cough. Chlorpheniramine Maleate is an antihistamine 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.
Yes, codeine in Rexnol Syrup may cause mental or physical dependence if used for prolonged periods. Therefore, take Rexnol Syrup only in the dose and duration as advised by your doctor.
You are not recommended to stop taking Rexnol Syrup even if you feel better, as you may experience withdrawal symptoms such as restlessness, watery eyes, a runny nose, nausea, sweating, and muscle aches. To avoid withdrawal symptoms, your doctor may gradually reduce your dose. The risk of withdrawal is higher if you've been using the medication for a long period (more than a few weeks) or at high doses. If you experience withdrawal symptoms or any difficulty while taking Rexnol Syrup , please consult your doctor.
Rexnol Syrup is unsafe to use in pregnancy. Rexnol Syrup contains codeine. If you use Rexnol Syrup while pregnant, your baby could become dependent on codeine. This can cause life-threatening withdrawal symptoms in the baby after it is born.
Yes, Rexnol Syrup may cause drowsiness or sleepiness as it is one of its common side effects. However, please consult a doctor if the condition persists for longer than expected.
Yes, there are serious side effects associated with the use of Rexnol Syrup such as noisy breathing, shallow breathing, breathing that stops during sleep, confusion, severe drowsiness, light-headed feeling, severe constipation or adrenal gland problems (nausea, vomiting, loss of appetite, feeling very dizzy, weak or tired). Stop using Rexnol Syrup , and consult a doctor if you have any of these symptoms.
This medicine is intended mainly for dry, irritating coughs. A wet cough helps clear mucus from the airways, so cough suppression may not be appropriate in every situation. Ask a healthcare professional before using it for a cough producing significant phlegm.
Some people may notice reduced coughing and allergy symptoms within a few hours, but the response can vary. Do not take an extra dose if the cough does not improve quickly.
Use it only for the duration prescribed by your doctor. Longer or unnecessary use increases the risk of codeine-related dependence, tolerance, and other side effects.
Codeine-containing medicines should not be given to children under 12 years because of the risk of serious breathing problems. Additional restrictions and precautions may apply to adolescents. Always follow age-specific medical advice before giving a cough medicine to a child.
Do not add another antihistamine without checking with your doctor or pharmacist. Combining antihistamines can increase drowsiness, dry mouth, blurred vision, and other side effects.
Drink adequate fluids and eat fiber-rich foods if appropriate for you. If constipation is severe, persistent, or associated with significant abdominal pain or vomiting, seek medical advice rather than taking a laxative without guidance.
Codeine-containing medicines may pose risks to the baby and should only be used during pregnancy or breastfeeding when specifically recommended by a healthcare professional. Discuss safer alternatives for cough and allergy symptoms when appropriate.
It can generally be taken with or without food. If it causes nausea or stomach discomfort, taking it with a small meal may help. Follow the instructions provided with your specific product.

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Country of origin

India

Manufacturer/Marketer address

M-17, Pharma Tower, Basement & Ground Floor, Badli Industrial Area, New Delhi 110 042
Other Info - REX0066
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