evodex dmr syrup - Chlorpheniramine Maleate (2mg) + Dextromethorphan Hydrobromide (10mg) medicine

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🏭 Casca Remedies Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 24, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: Well-established for symptomatic relief of dry cough and allergic rhinitis.
Reviewed by
SaathiMed Expert Panel | Sep 24, 2026

When to Call Your Doctor IMMEDIATELY

  • Difficulty breathing or swallowing
  • Swelling of face, lips, or throat
  • Severe dizziness or fainting
  • Irregular heartbeat or palpitations
  • Hallucinations or confusion
  • Seizures
  • Blood in cough or vomit

If experiencing severe symptoms, call emergency services immediately.

What is evodex dmr syrup used for?

This medicine is a combination of chlorpheniramine (an antihistamine) and dextromethorphan (a cough suppressant) used to treat dry cough and allergic symptoms. It works by blocking histamine and suppressing the cough reflex. It may cause drowsiness, so avoid driving. Do not use for more than 7 days without consulting a doctor.

  • Generic Name: Chlorpheniramine Maleate (2mg) + Dextromethorphan Hydrobromide (10mg)
  • Manufacturer: Casca Remedies Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 evodex dmr syrup के बारे में (Hindi Summary)

उपयोग: यह दवा सूखी खांसी और एलर्जी के लक्षणों जैसे नाक बहना, छींक आना और आंखों में पानी आना के इलाज के लिए उपयोग की जाती है। यह खांसी को दबाने और एलर्जी को कम करने में मदद करती है।

साइड इफेक्ट्स: आम दुष्प्रभावों में नींद आना, चक्कर आना, मुंह सूखना, जी मिचलाना और धुंधली दृष्टि शामिल हैं। गंभीर दुष्प्रभाव दुर्लभ हैं लेकिन एलर्जी, मतिभ्रम और अनियमित दिल की धड़कन हो सकती है।

सुरक्षा सलाह: दवा की खुराक से अधिक न लें। शराब और अन्य नींद लाने वाली दवाओं से बचें। गाड़ी चलाने या मशीन चलाने से बचें। गर्भवती या स्तनपान कराने वाली महिलाएं डॉक्टर से सलाह लें। बच्चों की पहुंच से दूर रखें।

💡 Did You Know? India has the highest number of USFDA-compliant plants outside the USA.

💊 evodex dmr syrup Uses & Benefits

[{"condition":"Dry cough","description":"Suppresses non-productive cough by acting on the cough center in the brain.","evidence":"Well-established"},{"condition":"Allergic rhinitis","description":"Relieves sneezing, runny nose, and watery eyes due to allergic reactions.","evidence":"Well-established"},{"condition":"Common cold symptoms","description":"Provides symptomatic relief from cough and nasal congestion associated with colds.","evidence":"Well-established"}]

Off-label uses: []

Primary treatment for: Dry cough and allergic rhinitis

Also treats: Common cold, Allergic conjunctivitis, Sneezing

📋 Drug Information

Generic Name(s)Chlorpheniramine Maleate (2mg) + Dextromethorphan Hydrobromide (10mg)
Brand Nameevodex dmr syrup
ManufacturerCasca Remedies Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action Class
Route of AdministrationOral
StorageStore at room temperature (15-30°C). Protect from light and moisture. Keep out of reach of children.
Shelf Life24 months from the date of manufacture.
WHO GuidelineNot established from the available information.
ICMR GuidelineNot established from the available information.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Take this medicine only for dry cough; it is not effective for productive cough.
2
Avoid driving or operating machinery after taking this medicine as it may cause drowsiness.
3
Do not use for more than 7 days without consulting a doctor.
4
Keep away from children and store in a cool, dry place.
5
Inform your doctor if you have glaucoma, asthma, or difficulty urinating before taking this medicine.
6
Do not combine with other cough and cold medicines without medical advice.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Dry cough
This medicine is commonly prescribed for this.
Likely Use
✅
Runny nose
This medicine helps relieve allergic runny nose.
Likely Use
❌
Fever
This medicine is not a primary fever reducer.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionChlorpheniramine is well absorbed from the gastrointestinal tract, with peak plasma levels occurring within 2-3 hours. Dextromethorphan is rapidly absorbed, with peak levels in about 2-2.5 hours.
DistributionChlorpheniramine is widely distributed in body tissues, including the central nervous system. Dextromethorphan also crosses the blood-brain barrier.
Protein BindingChlorpheniramine is approximately 72% bound to plasma proteins. Dextromethorphan binding is not well established.
MetabolismChlorpheniramine is metabolized in the liver via cytochrome P450 enzymes, primarily CYP2D6. Dextromethorphan undergoes extensive first-pass metabolism in the liver, mainly by CYP2D6.
Half-LifeChlorpheniramine half-life is approximately 12-43 hours. Dextromethorphan half-life is about 2-4 hours.
ExcretionBoth drugs and their metabolites are primarily excreted in the urine.
BioavailabilityChlorpheniramine bioavailability is about 25-50%. Dextromethorphan bioavailability is approximately 10-20% due to first-pass metabolism.
Onset of ActionCough suppression begins within 15-30 minutes; antihistamine effects start within 30-60 minutes.
Peak Plasma TimeChlorpheniramine: 2-3 hours; Dextromethorphan: 2-2.5 hours.
Duration of ActionCough suppression lasts 4-6 hours; antihistamine effects last 4-6 hours, sometimes up to 12 hours.

How It Works

This medicine combines two active ingredients. Chlorpheniramine Maleate is a first-generation antihistamine that competitively blocks histamine H1 receptors, reducing allergic symptoms. Dextromethorphan Hydrobromide is a centrally acting cough suppressant that acts on the cough center in the medulla oblongata to raise the threshold for coughing.

Mechanism Steps

1
Histamine H1 receptor blockade: Chlorpheniramine binds to H1 receptors on effector cells, preventing histamine from inducing allergic responses such as vasodilation, increased vascular permeability, and sensory nerve stimulation.
2
Central cough suppression: Dextromethorphan acts on the cough center in the medulla to increase the cough threshold, thereby reducing the frequency and intensity of dry cough.
3
Anticholinergic effects: Chlorpheniramine also exhibits anticholinergic properties, which contribute to drying of respiratory secretions and reduction of runny nose.

💡 How to Take evodex dmr syrup

Strength: Each 5 ml contains Chlorpheniramine Maleate 2mg and Dextromethorphan Hydrobromide 10mg.

1Shake the bottle well before use.
2Use a measuring cup or spoon to measure the dose accurately.
3Take orally, with or without food.
4Do not exceed the recommended dose.
5Drink a glass of water after taking the medicine.

Dosage Information

Adult DosageThe usual adult dose is 5-10 ml (1-2 teaspoons) every 4-6 hours as needed, not to exceed 60 ml in 24 hours. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageElderly patients may be more sensitive to the sedative and anticholinergic effects. Use with caution and consider lower doses. Dose must be individualized by a qualified clinician.
Renal ImpairmentUse with caution in renal impairment. Dose adjustment may be necessary. Consult a clinician.
Hepatic ImpairmentUse with caution in hepatic impairment. Dose adjustment may be necessary. Consult a clinician.
Maximum Daily Dose60 ml in 24 hours for adults.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

🍽️ Food Timing Guide

With food
Take with meals
Reduces stomach upset.
Grapefruit
Avoid
May increase drug levels.

⏰ What to Do If You Miss a Dose

📌 Less than half the dosing interval has passed
→ Take the missed dose as soon as you remember.
💡 Continue with the regular schedule.
📌 More than half the dosing interval has passed
→ Skip the missed dose.
💡 Do not double dose to catch up.

⚠️ Side Effects of evodex dmr syrup

✅ Common Side Effects

Drowsiness (Common (10-20%))
Avoid driving or operating machinery. If persistent, consult your doctor.
Dry mouth (Common (5-10%))
Sip water or chew sugarless gum. Usually resolves on its own.
Dizziness (Common (5-10%))
Rise slowly from sitting or lying position. Avoid sudden movements.
Nausea (Uncommon (1-5%))
Take with food or milk to reduce stomach upset.
Blurred vision (Uncommon (1-5%))
Avoid tasks requiring clear vision. Consult doctor if persistent.

🚨 Serious Side Effects

Severe allergic reaction (anaphylaxis) (Rare (<0.1%))
Seek emergency medical help immediately if you experience rash, itching, swelling, severe dizziness, or trouble breathing.
Hallucinations (Rare (<0.1%))
Stop the medicine and contact your doctor immediately.
Irregular heartbeat (Rare (<0.1%))
Seek immediate medical attention if you feel palpitations or faint.

⚠️ Rare Side Effects

Blood dyscrasias
Report unusual bruising or bleeding to your doctor.
Seizures
Seek emergency care if seizures occur.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
MAO inhibitors Major
CNS depressants Major
Anticholinergics Moderate
CYP2D6 inhibitors Moderate
Alcohol Moderate

🚨 Major Interactions

  • MAO inhibitors (e.g., phenelzine, tranylcypromine)
  • CNS depressants (e.g., alcohol, benzodiazepines, opioids)

⚡ Moderate Interactions

  • Anticholinergic drugs (e.g., atropine, benztropine)
  • CYP2D6 inhibitors (e.g., fluoxetine, paroxetine, quinidine)

🍷 Alcohol Interaction

Alcohol increases the sedative effects of chlorpheniramine and dextromethorphan, leading to excessive drowsiness, dizziness, and impaired judgment. Avoid alcohol consumption while taking this medicine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Hypersensitivity to chlorpheniramine, dextromethorphan, or any component of the formulation.","Concurrent use with MAO inhibitors or within 14 days of stopping MAO inhibitor therapy.","Chronic cough associated with asthma, COPD, or smoking.","Productive cough with excessive mucus.","Children under 12 years of age (unless directed by a physician)."]

⚠️ Warnings & Precautions

["May cause drowsiness; avoid driving or operating machinery until you know how it affects you.","Avoid alcohol and other CNS depressants.","Use with caution in patients with glaucoma, urinary retention, or prostatic hypertrophy.","Do not use for persistent or chronic cough unless directed by a doctor.","Consult a doctor if symptoms persist beyond 7 days or are accompanied by fever, rash, or persistent headache."]

🤱 Lactation Safety

Chlorpheniramine and dextromethorphan may pass into breast milk. Consult your doctor before use if you are breastfeeding.

💊 Overdose Management

Overdose may cause severe drowsiness, dizziness, hallucinations, rapid heartbeat, and seizures. Seek emergency medical attention immediately. Treatment is supportive and symptomatic. Gastric lavage may be considered if within 1-2 hours of ingestion. There is no specific antidote.

⏰ Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double dose.

Additional Safety Advice

General Safety

Do not exceed the recommended dose. Avoid alcohol and other central nervous system depressants while taking this medicine. Do not drive or operate heavy machinery until you know how this medicine affects you. Consult your doctor before use if you are pregnant, breastfeeding, or have a chronic medical condition such as asthma, glaucoma, or difficulty urinating. Keep out of reach of children. Do not use for persistent or chronic cough unless directed by a doctor.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients are more sensitive to the sedative and anticholinergic effects. Use with caution and consider lower doses. Monitor for confusion, dizziness, and urinary retention.

🤰 Pregnancy Planning (TTC)

Consult your doctor if you are pregnant or planning to become pregnant. The safety of this medicine during pregnancy is not well established.

🏥 Post-Surgery Considerations

Consult your doctor before taking this medicine after surgery, as it may interact with anesthetics and other medications.

🦷 Dental Procedures

Inform your dentist if you are taking this medicine, as it may cause dry mouth and interact with sedatives used during dental procedures.

💚 Lifestyle Tips for Better Results

🏃
Stay hydrated by drinking plenty of fluids.
🥗
Use a humidifier to ease dry cough.
😴
Avoid exposure to allergens like dust and pollen.
💧
Get adequate rest to help your body recover.
🧘
Avoid smoking and secondhand smoke.

🏋️ Exercise Considerations

Avoid strenuous exercise while taking this medicine due to potential drowsiness and dizziness. Light activities are fine if you feel well.

🥗 Diet Recommendations

Warm fluids like soups and teas can soothe the throat.
Avoid cold and sugary drinks that may irritate the throat.
Include honey in warm water to help with cough.
Eat a balanced diet to support immune function.

💼 Impact on Daily Work & Life

This medicine may cause drowsiness, affecting your ability to drive or operate machinery. Avoid these activities until you know how it affects you. It may also reduce your alertness at work.

🛑 When to Stop This Medicine

Stop taking this medicine if your cough persists beyond 7 days, or if you experience severe side effects. Consult your doctor before stopping if you have been on it for a prolonged period.

📅 Long-Term Use Effects

Long-term use of this medicine is not recommended without medical supervision. Prolonged use may lead to tolerance, dependence, and increased risk of side effects. Consult your doctor if symptoms persist beyond 7 days.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Honey and warm fluids

Can soothe dry cough and throat irritation.

Evidence: Well-established
Steam inhalation

Helps relieve nasal congestion and cough.

Evidence: Limited

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

No known interactions with vaccines. However, consult your doctor before vaccination if you are unwell.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate unless specified

✅ DO

Keep in original container

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Keep away from direct sunlight

❌ DON'T

Do not store in bathroom cabinet

✈️ Traveling with This Medicine

Carry this medicine in its original packaging with a copy of the prescription. Store at room temperature and protect from light. If traveling across time zones, adjust dosing intervals as advised by your doctor. Check customs regulations for carrying liquid medicines.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 35-year-old woman with seasonal allergies and dry cough
She was prescribed this medicine for her dry cough and runny nose. She took it as directed and noticed relief within 30 minutes. She experienced mild drowsiness, so she avoided driving. After 5 days, her symptoms resolved.
💡 Lesson: This medicine effectively relieves dry cough and allergy symptoms but may cause drowsiness; avoid driving.
👤 A 60-year-old man with a persistent dry cough
He took this medicine for a week but his cough did not improve. He consulted his doctor, who diagnosed him with acid reflux and changed his treatment. He learned that not all coughs are due to allergies or cold.
💡 Lesson: If cough persists beyond 7 days, consult a doctor to rule out other causes.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: This medicine starts working within 15-30 minutes after oral administration.

Q: Can I take it with other cold medicines?

A: Do not take with other cough and cold medicines without consulting your doctor, as it may lead to overdose.

Q: Is it safe for children?

A: Pediatric dosing is not established. Consult a pediatrician before giving to children.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my kidney function?
  • Can I drive after taking this medicine?
  • Does it interact with my blood pressure medicine?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?

🔄 Substitutes for evodex dmr syrup

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: This medicine can cure a cold.
    Fact: It only relieves symptoms; it does not cure the underlying viral infection.
  • Myth: It is safe to take with alcohol.
    Fact: Alcohol increases drowsiness and other side effects; avoid combining.

🔄 Alternative Options

Generic Alternatives

  • Chlorpheniramine + Dextromethorphan oral liquid

📊 Comparison with Similar Medicines

[{"medicine":"This medicine","active_ingredients":"Chlorpheniramine 2mg + Dextromethorphan 10mg per 5ml","onset":"15-30 minutes","duration":"4-6 hours","sedation":"Moderate to high"},{"medicine":"Diphenhydramine + Dextromethorphan","active_ingredients":"Diphenhydramine 12.5mg + Dextromethorphan 10mg per 5ml","onset":"15-30 minutes","duration":"4-6 hours","sedation":"High"}]

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