Colder Syrup: Complete Guide to Uses, Dosage, Side Effects, and Safety
When to Call Your Doctor IMMEDIATELY
- Difficulty breathing, wheezing, or swelling of the face, lips, or throat
- Yellowing of the eyes or skin, dark urine, or severe upper abdominal pain
- Blood in vomit or black, tarry stools
- Severe drowsiness, confusion, hallucinations, or seizures
- Irregular heartbeat, palpitations, or fainting
- Inability to pass urine or severe lower abdominal pain
- High fever that does not come down or lasts more than 3 days
- Severe headache with neck stiffness or rash
If experiencing severe symptoms, call emergency services immediately.
What is colder syrup used for?
This medicine is a combination syrup containing chlorpheniramine maleate 2.5 mg and paracetamol 250 mg per 5 mL. It is used for short-term relief of cold and allergy symptoms such as runny nose, sneezing, watery eyes, mild fever, and body ache. It causes drowsiness, so avoid driving and alcohol. Do not exceed the recommended dose because of the risk of liver injury from paracetamol.
- Generic Name: Chlorpheniramine Maleate + Paracetamol
- Manufacturer: Anista Healthcare
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 colder syrup के बारे में (Hindi Summary)
उपयोग: यह दवा क्लोरफेनिरामाइन मेलिएट और पैरासिटामोल का संयोजन है, जिसका उपयोग सर्दी-जुकाम और एलर्जी के लक्षणों जैसे नाक बहना, छींक आना, आंखों से पानी आना, हल्का बुखार और शरीर दर्द में राहत के लिए किया जाता है। यह दवा लक्षणों को कम करती है, बीमारी का इलाज नहीं करती। इसका सेवन डॉक्टर की सलाह के अनुसार ही करें और निर्धारित मात्रा से अधिक न लें।
साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में नींद आना, मुंह सूखना, चक्कर आना, धुंधला दिखना और कब्ज शामिल हैं। कुछ लोगों को जी मिचलाना या पेट में असहजता हो सकती है। दुर्लभ मामलों में एलर्जी, त्वचा पर चकत्ते, सांस लेने में कठिनाई, पीलिया या खून की गड़बड़ी हो सकती है। गंभीर लक्षण दिखने पर तुरंत डॉक्टर से मिलें।
सुरक्षा सलाह: इस दवा को डॉक्टर की सलाह या पैकेट पर लिखे निर्देशों के अनुसार ही लें। इसमें पैरासिटामोल होता है, इसलिए अन्य पैरासिटामोल वाली दवाओं के साथ इसका सेवन न करें। शराब का सेवन बिल्कुल न करें। दवा लेने के बाद गाड़ी चलाने या मशीन चलाने से बचें। गर्भवती या स्तनपान कराने वाली महिलाएं डॉक्टर से सलाह लें। बच्चों की पहुंच से दूर रखें और लक्षण बने रहने पर डॉक्टर से मिलें।
💊 colder syrup Uses & Benefits
[{"condition":"Common cold","description":"Relieves runny nose, sneezing, watery eyes, and mild fever or body ache associated with the common cold.","evidence":"Well-established for short-term symptom relief"},{"condition":"Allergic rhinitis","description":"Reduces sneezing, nasal itching, and rhinorrhea caused by seasonal or perennial allergies.","evidence":"Well-established"},{"condition":"Flu-like illness","description":"Provides symptomatic relief of fever, headache, and muscle pain along with nasal symptoms.","evidence":"Commonly used, supportive evidence"},{"condition":"Upper respiratory tract infection with allergic features","description":"Helps when both pain or fever and histamine-mediated symptoms are present.","evidence":"Commonly used in clinical practice"}]
Off-label uses: [{"condition":"Pruritus due to mild skin allergy","description":"Sometimes used for short-term relief of itching when oral antihistamine and analgesic effects are desired.","evidence":"Limited"},{"condition":"Adjunctive relief in mild urticaria","description":"May be used when urticaria is accompanied by pain or fever, though non-sedating antihistamines are usually preferred.","evidence":"Limited"}]
Primary treatment for: Common cold and allergic rhinitis with fever or mild pain
Also treats: Flu-like illness, Upper respiratory tract infection with allergic symptoms, Seasonal allergic rhinitis, Mild urticaria with pain or fever
📋 Drug Information
| Generic Name(s) | Chlorpheniramine Maleate + Paracetamol |
| Brand Name | Alex P Syrup |
| Manufacturer | Anista Healthcare |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | RESPIRATORY |
| Action Class | Antihistamine + Analgesic/Antipyretic |
| Route of Administration | Oral |
| Storage | Store this medicine at room temperature between 15°C and 30°C in its original container, away from direct sunlight and moisture. Do not freeze the syrup. Keep the bottle tightly closed and out of the reach of children. |
| Shelf Life | The shelf life is typically 24 to 36 months from the date of manufacture when stored as directed. Check the expiry date on the pack and do not use the medicine after that date. |
| WHO Guideline | Not established from the available information for this specific fixed-dose combination. The World Health Organization does not recommend routine use of fixed-dose combination cold medicines in children, and symptomatic treatment should follow national guidelines. |
| ICMR Guideline | Not established from the available information for this specific combination. The Indian Council of Medical Research recommends judicious use of symptomatic cold medicines and avoidance of unnecessary antibiotic or combination therapy. |
👨⚕️ Doctor's Practical Tips
Evidence-based practical advice from experienced clinicians
🔍 Is This Medicine Right for Your Symptom?
Educational reference. Always consult a doctor for diagnosis.
🔬 How This Medicine Works (Pharmacology)
Pharmacokinetics
How It Works
This medicine works through two complementary mechanisms. Chlorpheniramine maleate is a first-generation antihistamine that competitively blocks histamine H1 receptors on blood vessels, smooth muscle, and nerve endings, which reduces sneezing, runny nose, itching, and watery eyes. It also crosses the blood-brain barrier and causes sedation by blocking central histamine receptors. Paracetamol acts mainly in the central nervous system, where it reduces prostaglandin synthesis and raises the pain threshold, and it also acts on the hypothalamic heat-regulating center to lower fever. The combination provides simultaneous relief of allergic and cold-related nasal symptoms plus fever and mild pain.
Mechanism Steps
💡 How to Take colder syrup
Strength: Each 5 mL of syrup contains chlorpheniramine maleate 2.5 mg and paracetamol 250 mg.
Dosage Information
| Adult Dosage | For adults, the usual dose of this syrup is 10 mL (two teaspoonfuls) taken every 4 to 6 hours as needed for symptoms, but no more than 4 doses in 24 hours. This provides 10 mg of chlorpheniramine maleate and 1000 mg of paracetamol per day at the maximum frequency. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function, and other medicines being taken. Do not exceed the recommended dose, and do not use for more than a few days without medical advice. |
| Pediatric Dosage | Pediatric dosing is not established from available information for this specific combination. Consult a pediatrician for weight-based dosing and appropriate age limits. This medicine is not recommended for newborns or premature infants. |
| Elderly Dosage | Elderly patients are more sensitive to the sedative and anticholinergic effects of chlorpheniramine maleate. A lower dose or a different antihistamine may be advised by a clinician. Paracetamol should be used at the lowest effective dose, and liver and kidney function should be considered. Dose must be individualized by a qualified clinician. |
| Renal Impairment | In patients with mild to moderate kidney impairment, no specific dose adjustment is usually required, but caution is advised. In severe kidney impairment, chlorpheniramine may accumulate and cause increased drowsiness or confusion, so a lower dose or alternative medicine may be needed. Dose must be individualized by a qualified clinician based on renal function. |
| Hepatic Impairment | In patients with mild to moderate liver impairment, paracetamol should be used at the lowest effective dose and for the shortest duration. In severe liver disease, this medicine is contraindicated. Dose must be individualized by a qualified clinician based on hepatic function and clinical status. |
| Maximum Daily Dose | The maximum recommended daily dose for adults is 40 mL of syrup in 24 hours, which provides 20 mg of chlorpheniramine maleate and 2000 mg of paracetamol. Do not exceed this amount, and account for any other paracetamol-containing medicines. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of colder syrup
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| MAOIs | Major | |
| Warfarin | Major | |
| Other paracetamol products | Major | |
| Alcohol | Major | |
| Opioids | Moderate | |
| Tricyclic antidepressants | Moderate | |
| Carbamazepine | Moderate | |
| Phenytoin | Moderate | |
| Rifampicin | Moderate | |
| Antacids | Minor |
🚨 Major Interactions
- Monoamine oxidase inhibitors (MAOIs)
- Other paracetamol-containing products
- Warfarin
- Alcohol
⚡ Moderate Interactions
- Other sedatives, hypnotics, or anxiolytics
- Opioid analgesics
- Anticholinergic drugs such as tricyclic antidepressants
- Carbamazepine, phenytoin, or rifampicin
🍷 Alcohol Interaction
Alcohol must be avoided while taking this medicine. It increases the sedative effect of chlorpheniramine, which can impair driving and coordination, and it raises the risk of paracetamol-related liver damage, especially with regular or high-dose use.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Known hypersensitivity or allergy to chlorpheniramine maleate, paracetamol, or any other ingredient of this medicine","Severe liver disease or active liver failure","Use of monoamine oxidase inhibitors (MAOIs) currently or within the past 14 days","Newborn infants and premature babies","Narrow-angle glaucoma","Symptomatic prostate enlargement or bladder neck obstruction","Severe kidney impairment without medical supervision"]
⚠️ Warnings & Precautions
["This medicine can cause significant drowsiness. Do not drive or operate machinery until you know how it affects you.","Avoid alcohol and other central nervous system depressants while taking this medicine.","Do not exceed the recommended dose because of the risk of paracetamol-related liver injury.","Check all other medicines for paracetamol content to avoid accidental overdose.","Use with caution in elderly patients because of increased sensitivity to sedation, confusion, and anticholinergic effects.","Use with caution in people with asthma, chronic bronchitis, or other breathing problems.","Consult a doctor before use if you have glaucoma, prostate enlargement, liver disease, kidney disease, or heart disease.","Do not use for longer than the recommended duration without medical advice.","Keep out of reach of children and store safely to prevent accidental ingestion."]
🤱 Lactation Safety
Chlorpheniramine maleate passes into breast milk and may cause drowsiness or irritability in a breastfed infant. Paracetamol also passes into breast milk in small amounts and is generally considered compatible with breastfeeding. Because of the sedative effect of chlorpheniramine, this medicine should be used during breastfeeding only if advised by a doctor, and the infant should be monitored for drowsiness.
💊 Overdose Management
Overdose of this medicine is a medical emergency because of the paracetamol component, which can cause delayed and potentially fatal liver injury. Symptoms of paracetamol overdose may initially be mild or absent, but nausea, vomiting, abdominal pain, and liver failure can develop over 24 to 72 hours. Chlorpheniramine overdose can cause severe drowsiness, confusion, hallucinations, seizures, irregular heartbeat, and coma. If overdose is suspected, contact emergency services or a poison control center immediately and go to the nearest hospital. Do not wait for symptoms to appear. Treatment may include activated charcoal, N-acetylcysteine, and supportive care, and it is most effective when started early.
⏰ Missed Dose
If you miss a dose, take it as soon as you remember, provided the next scheduled dose is not due soon. If it is almost time for the next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose to make up for a missed one, because this increases the risk of side effects and paracetamol-related liver injury.
Additional Safety Advice
Take this medicine exactly as directed by your doctor or as printed on the label, and never exceed the recommended dose. Because this medicine contains paracetamol, check all other medicines you take to avoid doubling up on paracetamol, which can damage the liver. Avoid alcohol completely while taking this medicine, as it increases drowsiness and the risk of liver injury. Do not drive, operate heavy machinery, or do activities requiring alertness until you know how this medicine affects you. If you are pregnant, planning pregnancy, or breastfeeding, talk to your doctor before using this medicine. Keep this medicine out of the reach of children and store it in its original container at room temperature. If symptoms do not improve within a few days or get worse, consult a doctor rather than continuing self-treatment.
👴 Special Considerations for Elderly
💡 For Patients Above 65
Elderly patients are more likely to experience drowsiness, confusion, dry mouth, constipation, blurred vision, and urinary retention from chlorpheniramine. The risk of falls and fractures is increased. Paracetamol should be used at the lowest effective dose, and liver and kidney function should be considered. A doctor may recommend a non-sedating antihistamine instead.
🤰 Pregnancy Planning (TTC)
If you are trying to conceive, consult your doctor before using this medicine. Paracetamol is generally considered the preferred pain and fever reliever in pregnancy when used at the lowest effective dose for the shortest time. Chlorpheniramine should be avoided in the first trimester unless specifically advised by a clinician. Discuss alternative options with your doctor.
🏥 Post-Surgery Considerations
After surgery, this medicine should be used only if prescribed by your surgeon or doctor. Chlorpheniramine can increase sedation when combined with postoperative pain medicines and anesthetics. Paracetamol may be used for pain relief, but the total daily dose from all sources must be carefully monitored to avoid liver injury.
🦷 Dental Procedures
Inform your dentist if you are taking this medicine before any dental procedure. Chlorpheniramine can cause dry mouth, which may increase dental discomfort, and it can add to the sedative effects of dental anesthetics or sedatives. Paracetamol may help with post-procedure pain, but do not exceed the recommended dose.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
Because this medicine can cause drowsiness, dizziness, and blurred vision, avoid strenuous exercise, swimming, or activities that require balance and alertness until you know how it affects you. Light activity such as walking indoors is usually fine if you feel well.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine can cause significant drowsiness, which may affect your ability to drive, operate machinery, or concentrate at work. Avoid driving or hazardous tasks until you know how it affects you. If your work requires alertness, ask your doctor about a non-sedating alternative. Dry mouth and dizziness may also be bothersome in workplace settings.
🛑 When to Stop This Medicine
Stop this medicine when your symptoms improve or after the recommended short course. Do not stop suddenly if you have been taking it for a long time without medical advice. Consult a doctor before stopping if you have been using it regularly, if symptoms return, or if you experience any serious side effect. Seek immediate medical help if you develop signs of liver injury or a severe allergic reaction.
📅 Long-Term Use Effects
Long-term use of this medicine is not recommended without medical supervision. Prolonged use of chlorpheniramine can cause persistent drowsiness, dry mouth, constipation, and urinary problems, and may lead to tolerance. Long-term or high-dose paracetamol can increase the risk of liver and kidney injury. If symptoms persist beyond a few days, a doctor should evaluate the underlying cause rather than continuing this medicine.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Rinsing the nose with saline solution can help clear mucus and relieve nasal congestion without sedation.
Evidence: Well-established for cold and allergy symptomsCetirizine, loratadine, or levocetirizine can relieve allergy symptoms with less drowsiness.
Evidence: Well-establishedInhaling steam can temporarily ease nasal stuffiness and throat irritation.
Evidence: Traditionally used, limited evidenceReducing exposure to dust, pollen, and other triggers can decrease the need for medicines.
Evidence: Well-established💉 Vaccination Considerations
💉 If You're Getting Vaccinated
This medicine does not interact with most vaccines. However, if you have a fever or are acutely unwell, it is usually better to postpone vaccination until you recover. Consult your doctor about timing if you are scheduled for a vaccine while taking this medicine.
📦 Storage Guide
✅ DO
Store at room temperature between 15°C and 30°C
❌ DON'T
Do not refrigerate or freeze the syrup
✅ DO
Keep the bottle tightly closed in its original carton
❌ DON'T
Do not transfer to another unmarked container
✅ DO
Keep away from direct sunlight and moisture
❌ DON'T
Do not store in the bathroom cabinet
✅ DO
Keep out of reach of children
❌ DON'T
Do not use after the expiry date
✈️ Traveling with This Medicine
Carry this medicine in its original packaging with the prescription or a copy of it, especially when traveling internationally. Keep it in your hand luggage if you need it during the journey, and store it at room temperature away from direct sunlight. Because this medicine can cause drowsiness, avoid driving long distances or operating machinery after taking it. If you are crossing time zones, continue with your regular dosing schedule as advised by your doctor, and do not take extra doses to make up for missed ones. Check local customs rules before carrying any medicine across borders.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: This medicine usually starts relieving symptoms within 30 to 60 minutes after taking a dose.
A: Adults may take 10 mL every 4 to 6 hours as needed, but not more than 4 doses in 24 hours. Follow your doctor's advice.
A: Yes, chlorpheniramine maleate commonly causes drowsiness. Avoid driving or operating machinery until you know how it affects you.
A: No, this medicine already contains paracetamol. Taking extra paracetamol can cause liver injury.
A: Consult your doctor before use. Paracetamol is generally preferred in pregnancy, but chlorpheniramine should be used only if clearly needed.
A: Seek emergency medical help immediately, even if you feel fine, because paracetamol overdose can cause delayed liver damage.
🤔 Common Patient Concerns
🔄 Substitutes for colder syrup
View AllAlternative 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 viral infection, which usually resolves on its own. - Myth: More syrup means faster relief.
Fact: Taking more than the recommended dose does not speed up relief and can cause serious liver injury from paracetamol. - Myth: It is safe to take with any other cold medicine.
Fact: Many cold medicines contain paracetamol or antihistamines. Combining them can lead to overdose or excessive sedation. - Myth: This medicine is safe for babies.
Fact: This medicine is not recommended for newborns and should be used in children only under a pediatrician's guidance. - Myth: You can drive after taking this medicine.
Fact: Chlorpheniramine causes drowsiness and slows reaction time. Avoid driving until you know how it affects you.
🔄 Alternative Options
Generic Alternatives
- Chlorpheniramine maleate and paracetamol syrup
- Chlorpheniramine maleate and paracetamol oral suspension