erostimin syrup - Pseudoephedrine (30mg) + Chlorpheniramine Maleate (2mg) medicine

Erostimin Syrup: Complete Medicine Guide

No reviews yet
🏭 Micro Labs Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Oct 28, 2026
⚠️ Hepatotoxicity Risk 🤰 Pregnancy Category Pseudoephedrine: FDA Pregnancy Category C (risk not ruled out). Chlorpheniramine: Category B (no evidence of risk in humans). However, both should be used only if clearly needed, as safety is not fully established. Consult your doctor. 📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Evidence: Well-established for allergic rhinitis and common cold.
Reviewed by
SaathiMed Expert Panel | Oct 28, 2026
🩺
Medically Fact-Checked & Clinically Verified by SaathiMed Clinical Review Board
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026

When to Call Your Doctor IMMEDIATELY

  • Difficulty breathing or swelling of face, lips, or throat
  • Irregular or fast heartbeat
  • Severe dizziness or fainting
  • Hallucinations or seizures
  • Inability to urinate
  • Severe rash or blistering skin
  • Yellowing of eyes or skin

If experiencing severe symptoms, call emergency services immediately.

What is erostimin syrup used for?

This medicine is a combination of pseudoephedrine (a nasal decongestant) and chlorpheniramine maleate (an antihistamine) used to relieve nasal congestion, sneezing, and runny nose due to allergies or cold. It works by shrinking blood vessels in the nose and blocking histamine. It may cause drowsiness, so avoid driving. Do not use for more than 7 days without consulting a doctor.

  • Generic Name: Pseudoephedrine (30mg) + Chlorpheniramine Maleate (2mg)
  • Manufacturer: Micro Labs Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 erostimin syrup के बारे में (Hindi Summary)

उपयोग: यह दवा सर्दी-जुकाम, एलर्जी और साइनस की समस्या में नाक बंद होने, छींक आने, नाक बहने और आंखों में पानी आने जैसे लक्षणों से राहत दिलाने के लिए इस्तेमाल की जाती है। इसमें स्यूडोएफेड्रिन नाक की रक्त वाहिकाओं को सिकोड़कर जमाव कम करता है और क्लोरफेनिरामाइन हिस्टामिन को रोककर एलर्जी के लक्षणों को कम करता है। यह दवा केवल डॉक्टर की सलाह पर ही लेनी चाहिए और 7 दिनों से ज्यादा इस्तेमाल नहीं करनी चाहिए।

साइड इफेक्ट्स: आम दुष्प्रभावों में नींद आना, मुंह सूखना, चक्कर आना, सिरदर्द, जी मिचलाना और बेचैनी शामिल हैं। गंभीर दुष्प्रभाव दुर्लभ हैं लेकिन एलर्जी, दिल की धड़कन अनियमित होना, दौरे पड़ना या पेशाब में रुकावट हो सकती है। ऐसा होने पर तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को डॉक्टर की सलाह से ही लें। निर्धारित मात्रा से ज्यादा न लें। दवा लेने के बाद नींद आ सकती है, इसलिए गाड़ी चलाने या मशीन चलाने से बचें। शराब न पिएं। अगर आपको हाई ब्लड प्रेशर, दिल की बीमारी, थायरॉइड, ग्लूकोमा या प्रोस्टेट की समस्या है तो डॉक्टर को बताएं। 7 दिनों से ज्यादा इस्तेमाल न करें।

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

💊 erostimin syrup Uses & Benefits

[{"condition":"Allergic rhinitis","description":"Relieves nasal congestion, sneezing, runny nose, and itchy watery eyes associated with seasonal or perennial allergies.","evidence":"Well-established"},{"condition":"Common cold","description":"Provides symptomatic relief of nasal congestion and sneezing due to upper respiratory tract infections.","evidence":"Well-established"},{"condition":"Sinusitis","description":"Helps reduce nasal congestion and pressure in acute or chronic sinusitis.","evidence":"Moderate"},{"condition":"Vasomotor rhinitis","description":"May alleviate congestion and rhinorrhea in non-allergic rhinitis.","evidence":"Limited"}]

Off-label uses: [{"condition":"Eustachian tube dysfunction","description":"Sometimes used to relieve congestion and improve middle ear pressure equalization.","evidence":"Limited"},{"condition":"Motion sickness","description":"Chlorpheniramine component may help prevent motion sickness, but not a primary indication.","evidence":"Limited"}]

Primary treatment for: Allergic rhinitis

Also treats: Common cold, Sinusitis, Vasomotor rhinitis

📋 Drug Information

Generic Name(s)Pseudoephedrine (30mg) + Chlorpheniramine Maleate (2mg)
Brand Nameerostimin syrup
ManufacturerMicro Labs Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action Class
Route of AdministrationOral
StorageStore at room temperature (15-30°C) in a dry place, away from direct sunlight. Keep the bottle tightly closed. Do not refrigerate. 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 with food or milk to reduce stomach upset.
2
Avoid driving or operating heavy machinery until you know how this medicine affects you.
3
Do not drink alcohol while taking this medicine as it increases drowsiness and dizziness.
4
Do not use this medicine for more than 7 days without consulting your doctor.
5
If you have high blood pressure, heart disease, diabetes, or thyroid problems, inform your doctor before taking this medicine.
6
Keep out of reach of children and store in a cool, dry place.
7
Use a proper measuring cup to ensure accurate dosing.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Nasal congestion
This medicine is commonly prescribed for this.
Likely Use
✅
Sneezing
This medicine helps relieve sneezing due to allergies.
Likely Use
✅
Runny nose
This medicine reduces runny nose.
Likely Use
❌
Fever
This medicine is not a primary fever reducer.
Not Primary
❌
Chest pain
This medicine is not for chest pain; seek medical help.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionPseudoephedrine is rapidly and completely absorbed from the gastrointestinal tract. Chlorpheniramine is also well absorbed after oral administration.
DistributionPseudoephedrine distributes widely into body tissues and fluids. Chlorpheniramine distributes into the central nervous system and other tissues.
Protein BindingPseudoephedrine: approximately 20% bound to plasma proteins. Chlorpheniramine: approximately 70% bound to plasma proteins.
MetabolismPseudoephedrine undergoes minimal hepatic metabolism. Chlorpheniramine is extensively metabolized in the liver, primarily by CYP2D6 and CYP3A4.
Half-LifePseudoephedrine: 3-6 hours (varies with urine pH). Chlorpheniramine: 12-43 hours (longer in elderly).
ExcretionPseudoephedrine is excreted largely unchanged in urine. Chlorpheniramine and its metabolites are excreted in urine.
BioavailabilityPseudoephedrine: approximately 90% (oral). Chlorpheniramine: approximately 25-50% (oral).
Onset of ActionPseudoephedrine: 15-30 minutes. Chlorpheniramine: 30-60 minutes.
Peak Plasma TimePseudoephedrine: 1-2 hours. Chlorpheniramine: 2-6 hours.
Duration of ActionPseudoephedrine: 4-6 hours. Chlorpheniramine: 4-6 hours (immediate release).

How It Works

Pseudoephedrine is a sympathomimetic amine that directly stimulates alpha-adrenergic receptors on nasal blood vessels, causing vasoconstriction and reduced mucosal swelling. Chlorpheniramine maleate is a first-generation antihistamine that competitively blocks histamine H1 receptors, thereby reducing allergic symptoms such as sneezing, rhinorrhea, and itching. The combination provides both decongestant and antihistaminic effects.

Mechanism Steps

1
Pseudoephedrine binds to alpha-adrenergic receptors: Pseudoephedrine stimulates alpha-adrenergic receptors on vascular smooth muscle in the nasal mucosa, causing vasoconstriction.
2
Reduced nasal blood flow and swelling: Vasoconstriction decreases blood flow to the nasal passages, reducing edema and congestion.
3
Chlorpheniramine blocks histamine H1 receptors: Chlorpheniramine competitively inhibits histamine at H1 receptor sites, preventing histamine-mediated allergic responses.
4
Relief of allergic symptoms: Blockade of H1 receptors reduces sneezing, runny nose, itching, and watery eyes.

💡 How to Take erostimin syrup

Strength: Each 5 mL of syrup contains pseudoephedrine 30 mg and chlorpheniramine maleate 2 mg.

1Shake the bottle well before each use.
2Use a calibrated measuring cup or spoon to measure the dose accurately.
3Take the medicine orally, with or without food.
4If stomach upset occurs, take with food or milk.
5Do not exceed the recommended dose or frequency.
6Drink plenty of water while taking this medicine.

Dosage Information

Adult DosageThe usual adult dose is 5-10 mL (1-2 teaspoons) every 4-6 hours as needed, not to exceed 4 doses in 24 hours. However, dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function, and response to therapy. Do not self-medicate beyond 7 days without medical advice.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician for appropriate dosing in children.
Elderly DosageElderly patients may be more sensitive to the effects of pseudoephedrine and chlorpheniramine. Start with a lower dose and monitor for drowsiness, dizziness, and cardiovascular effects. Dose must be individualized by a qualified clinician.
Renal ImpairmentPseudoephedrine is primarily excreted unchanged in urine. In patients with renal impairment, dose reduction may be necessary. Consult a clinician for individualized dosing.
Hepatic ImpairmentChlorpheniramine is metabolized in the liver. In patients with hepatic impairment, dose reduction may be necessary. Consult a clinician for individualized dosing.
Maximum Daily DoseMaximum daily dose for adults: 40 mL (8 teaspoons) in 24 hours, not to exceed 4 doses. Do not exceed the recommended dose.

Dosage Timeline

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

🍽️ Food Timing Guide

With food
Take with meals
Reduces stomach upset.
Alcohol
Avoid
Increases drowsiness and dizziness.
Caffeine
Limit
May increase nervousness and insomnia.
Grapefruit juice
Avoid
May increase chlorpheniramine 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 erostimin syrup

✅ Common Side Effects

Drowsiness (Common (10-20%))
Avoid driving or operating machinery. If persistent, consult your doctor.
Dry mouth (Common (5-15%))
Sip water, chew sugarless gum, or use saliva substitutes. Consult if severe.
Dizziness (Common (5-10%))
Rise slowly from sitting or lying position. Avoid alcohol.
Headache (Common (5-10%))
Usually resolves. If severe or persistent, consult doctor.
Nausea (Common (5-10%))
Take with food or milk. Consult if vomiting occurs.
Nervousness (Common (5-10%))
Limit caffeine. If bothersome, consult doctor.

🚨 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.
Irregular heartbeat (arrhythmia) (Rare (<0.1%))
Contact your doctor immediately if you feel palpitations, chest pain, or shortness of breath.
Hallucinations or seizures (Rare (<0.1%))
Seek immediate medical attention.
Difficulty urinating (Rare (<0.1%))
Consult your doctor if you are unable to urinate or have painful urination.
Severe skin reactions (e.g., Stevens-Johnson syndrome) (Very rare (<0.01%))
Stop the medicine and seek emergency care if you develop a rash, blisters, or peeling skin.

⚠️ Rare Side Effects

Blood dyscrasias (e.g., agranulocytosis, thrombocytopenia)
Report unusual bruising, bleeding, or signs of infection to your doctor.
Liver enzyme elevation
Monitor liver function if prolonged use. Consult doctor if jaundice occurs.
Photosensitivity
Use sunscreen and avoid excessive sun exposure.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
MAOIs Major
Beta-blockers Major
Tricyclic antidepressants Major
CNS depressants Major
Antihypertensives Moderate
CYP2D6 inhibitors Moderate
Digoxin Moderate
Levodopa Moderate
Antacids Minor
Caffeine Minor

🚨 Major Interactions

  • Monoamine oxidase inhibitors (MAOIs)
  • Beta-blockers
  • Tricyclic antidepressants
  • Other CNS depressants (e.g., alcohol, sedatives, opioids)

⚡ Moderate Interactions

  • Antihypertensives (e.g., methyldopa, reserpine)
  • CYP2D6 inhibitors (e.g., fluoxetine, paroxetine)
  • Digoxin
  • Levodopa

🍷 Alcohol Interaction

Alcohol increases the sedative effects of chlorpheniramine and may enhance cardiovascular effects of pseudoephedrine. Avoid alcohol while taking this medicine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Hypersensitivity to pseudoephedrine, chlorpheniramine, or any component of the formulation","Severe hypertension or uncontrolled high blood pressure","Severe coronary artery disease","Hyperthyroidism","Narrow-angle glaucoma","Urinary retention or prostatic hypertrophy","Concurrent use with MAO inhibitors or within 14 days of stopping MAOI therapy","Newborns and premature infants"]

⚠️ Warnings & Precautions

["May cause drowsiness; avoid driving or operating machinery until you know how it affects you.","Do not use with alcohol or other CNS depressants.","Use with caution in patients with cardiovascular disease, diabetes, thyroid dysfunction, or glaucoma.","Do not exceed recommended dose or duration of use (maximum 7 days without medical advice).","May cause urinary retention in patients with prostate enlargement.","Elderly patients are more sensitive to anticholinergic and sympathomimetic effects.","Consult a doctor before use if pregnant or breastfeeding."]

🤱 Lactation Safety

Pseudoephedrine and chlorpheniramine are excreted in breast milk. Pseudoephedrine may reduce milk supply. Chlorpheniramine may cause drowsiness in the infant. Use with caution and consult your doctor.

💊 Overdose Management

Overdose may cause severe drowsiness, seizures, hallucinations, irregular heartbeat, hypertension, or respiratory depression. Seek emergency medical attention immediately. Treatment is supportive and symptomatic. There is no specific antidote. Gastric lavage may be considered if within 1-2 hours of ingestion. Monitor vital signs and provide supportive care.

⏰ 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 the dose to catch up.

Additional Safety Advice

General Safety

Do not exceed the recommended dose. Avoid driving or operating heavy machinery until you know how this medicine affects you, as it may cause drowsiness. Do not drink alcohol while taking this medicine because it can increase drowsiness and dizziness. Inform your doctor if you have high blood pressure, diabetes, thyroid problems, glaucoma, or prostate enlargement. Do not use this medicine for more than 7 days without consulting a doctor. Keep out of reach of children. If you are pregnant or breastfeeding, consult your doctor before use.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients are more sensitive to the effects of pseudoephedrine and chlorpheniramine. They may experience increased drowsiness, dizziness, confusion, and urinary retention. Use with caution and lower doses may be needed. Monitor blood pressure and heart rate regularly.

🤰 Pregnancy Planning (TTC)

If you are planning pregnancy, consult your doctor before taking this medicine. Pseudoephedrine and chlorpheniramine should be used during pregnancy only if clearly needed. Discuss alternative treatments with your healthcare provider.

🏥 Post-Surgery Considerations

After surgery, consult your doctor before taking this medicine. Pseudoephedrine can increase blood pressure and heart rate, which may be undesirable post-operatively. Chlorpheniramine may cause drowsiness and interact with anesthetic agents.

🦷 Dental Procedures

Inform your dentist if you are taking this medicine. It may cause dry mouth, which can affect dental health. Also, it may interact with medications used during dental procedures.

💚 Lifestyle Tips for Better Results

🏃
Stay hydrated by drinking plenty of fluids.
🥗
Use a humidifier to keep nasal passages moist.
😴
Avoid allergens such as dust, pollen, and pet dander.
💧
Get adequate rest to help your body recover.
🧘
Practice good hand hygiene to prevent infections.
🌞
Avoid smoking and exposure to secondhand smoke.

🏋️ Exercise Considerations

This medicine may cause drowsiness and dizziness. Avoid strenuous exercise or activities requiring alertness until you know how it affects you. If you exercise, do so with caution and stay hydrated.

🥗 Diet Recommendations

Include warm soups and broths to soothe the throat.
Eat fruits rich in vitamin C to support immunity.
Avoid spicy and oily foods that may irritate the stomach.
Limit caffeine intake as it may increase nervousness.
Stay well hydrated with water and herbal teas.

💼 Impact on Daily Work & Life

This medicine can cause drowsiness, which may affect your ability to drive, operate machinery, or perform tasks requiring mental alertness. It is best to avoid such activities until you know how the medicine affects you. Inform your employer if your work involves safety-sensitive tasks.

🛑 When to Stop This Medicine

Stop taking this medicine and consult your doctor if your symptoms do not improve within 7 days, if they worsen, or if you experience any serious side effects. Do not stop abruptly if you have been taking it for a long time without medical advice.

📅 Long-Term Use Effects

Long-term use of this medicine is not recommended. Prolonged use of pseudoephedrine can lead to rebound nasal congestion, increased blood pressure, and heart rhythm disturbances. Chlorpheniramine may cause persistent drowsiness, dry mouth, and urinary retention. Regular monitoring of blood pressure and heart rate is advised if used for extended periods. Consult your doctor for alternative treatments if symptoms persist.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Saline nasal irrigation

Helps clear nasal passages and reduce congestion without medication.

Evidence: Well-established
Steam inhalation

Can temporarily relieve nasal congestion.

Evidence: Limited
Allergen avoidance

Reducing exposure to allergens can prevent allergic symptoms.

Evidence: Well-established
Intranasal corticosteroid sprays

Effective for allergic rhinitis but require prescription.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

This medicine does not interact with vaccines. However, if you are acutely ill with fever, consult your doctor before vaccination.

📦 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

✅ DO

Keep out of reach of children

❌ DON'T

Do not use after expiry date

✈️ Traveling with This Medicine

Carry this medicine in its original packaging with a copy of your prescription. Store at room temperature and protect from direct sunlight. If traveling across time zones, adjust dosing intervals as advised by your doctor. Check customs regulations for carrying medications. Keep a list of your medications with you.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 35-year-old woman with seasonal allergies
She experienced sneezing, runny nose, and itchy eyes every spring. Her doctor prescribed this medicine. She took it as directed and found significant relief within 30 minutes. She noted that it made her slightly drowsy, so she took it at bedtime. She avoided driving after taking it.
💡 Lesson: Taking this medicine at bedtime can help manage drowsiness while still providing symptom relief.
👤 A 50-year-old man with common cold
He had severe nasal congestion and sneezing. He took this medicine every 6 hours for 3 days. His symptoms improved, but he experienced dry mouth. He increased his water intake and used sugarless gum, which helped. He stopped the medicine after 5 days as symptoms resolved.
💡 Lesson: Dry mouth is a common side effect that can be managed with hydration and sugarless gum. Do not exceed 7 days of use without medical advice.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: Pseudoephedrine starts working within 15-30 minutes, while chlorpheniramine may take 30-60 minutes. You may feel relief within an hour.

Q: Can I take this medicine at night?

A: Yes, but it may cause drowsiness, which can be helpful at night. However, pseudoephedrine can cause insomnia in some people. Consult your doctor.

Q: Is it safe to take with other medications?

A: It can interact with many medicines, including MAOIs, beta-blockers, and antidepressants. Always inform your doctor about all medicines you take.

Q: How long can I take this medicine?

A: Do not use for more than 7 days without consulting a doctor. Prolonged use may cause rebound congestion or other side effects.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my blood pressure?
  • 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?
  • Is it safe for my child?
  • Can I take it with other cold medicines?

🔄 Substitutes for erostimin 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 the common cold.
    Fact: This medicine only relieves symptoms; it does not cure the underlying infection.
  • Myth: It is safe to take this medicine for weeks.
    Fact: It should not be used for more than 7 days without medical advice due to risk of side effects.
  • Myth: This medicine is safe for everyone.
    Fact: It is not safe for people with certain conditions like high blood pressure, heart disease, or glaucoma.
  • Myth: You can take this medicine with alcohol.
    Fact: Alcohol increases drowsiness and dizziness; avoid alcohol.

🔄 Alternative Options

Generic Alternatives

  • Pseudoephedrine + Chlorpheniramine Maleate Syrup (generic)

Brand Alternatives

  • Erostimin Syrup

📊 Comparison with Similar Medicines

[{"medicine":"Pseudoephedrine + Chlorpheniramine","onset":"15-30 min","duration":"4-6 hours","sedation":"High","hypertension_risk":"Moderate"},{"medicine":"Phenylephrine + Chlorpheniramine","onset":"15-30 min","duration":"4-6 hours","sedation":"High","hypertension_risk":"Low"},{"medicine":"Pseudoephedrine + Cetirizine","onset":"30-60 min","duration":"12-24 hours","sedation":"Low","hypertension_risk":"Moderate"}]

😊 Was this information helpful?

Browse Medicines A-Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Back to Medicines Directory