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Synominic Syrup is a combination medicine used for the symptomatic treatment of common cold in children. It helps relieve discomfort caused by a runny nose, blocked nose, and sneezing, allowing the child to breathe more easily and feel better.

Written By Dr. Anuj Saini, MMST, MBBS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 25 Nov 2025 | 03:07 PM (IST)
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Synominic Syrup
Synominic Syrup
bottle of 60 ml Syrup
₹1.05 per ml
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by Synovion Laboratories Pvt Ltd
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General Information

Contains

Chlorpheniramine Maleate (2mg)+ Phenylephrine (5mg)

Marketer

Synovion Laboratories Pvt Ltd

Storage

Store below 30°C
The content is shown in English
Synominic Syrup image
Synominic Syrup image

Product introduction

Synominic Syrup may be given to your child with or without food. Always follow the exact dose and duration prescribed by the doctor. The dosage will depend on your child’s age, weight, and the severity of symptoms. Do not stop the medicine early, even if your child seems to be feeling better, unless advised by the doctor.


Common side effects may include nausea, vomiting, or headache. These are usually mild and temporary. However, if you notice anything unusual or are concerned about how your child is responding to the medicine, consult your doctor promptly. This medicine may also cause drowsiness, so avoid engaging your child in activities that require alertness until you know how it affects them.


Make sure your child stays well hydrated while taking Synominic Syrup. Inform your doctor if your child has any history of liver or kidney problems, as the dose may need to be adjusted accordingly.


Note: As per the Ministry of Health and Family Welfare, Synominic Syrup should not be used in children below 4 years of age.

Uses of Synominic Syrup

Benefits of Synominic Syrup

Treatment of Common cold
Synominic Syrup effectively relieves symptoms associated with common cold in children, such as blocked nose, runny nose, watery eyes, and sneezing. It helps loosen thick mucus, making it easier to cough out. It also shrinks the blood vessels and provides rapid relief that lasts for several hours. These actions make breathing easier. Synominic Syrup usually starts working within a few minutes, and the effects can last up to several hours.

Side effects of Synominic Syrup

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Synominic
  • Sedation
  • Sleepiness
  • Nausea
  • Diarrhea
  • Vomiting
  • Headache

How to use Synominic Syrup

Take this medicine in the dose and duration as advised by your doctor. Check the label for directions before use. Measure it with a measuring cup and take it by mouth. Shake well before use. Synominic Syrup may be taken with or without food.

How Synominic Syrup works

Chlorpheniramine Maleate is an antiallergic that helps relieve symptoms such as runny nose, watery eyes, and sneezing. Phenylephrine is a decongestant that works by narrowing the small blood vessels in the nasal passages, thereby relieving nasal congestion and stuffiness.

All substitutes for Synominic Syrup

For information purposes only. Consult a doctor before taking any medicine.

Criticold Syrup

by Leeford Healthcare Ltd
₹60.94/syrup
28% cheaper
<h3 class=bodySemiBold>Criticold Syrup</h3>

Zedex AF Syrup

by Dr Reddy's Laboratories Ltd
₹76.88/syrup
9% cheaper
<h3 class=bodySemiBold>Zedex AF Syrup</h3>

Sumo Cold AF Syrup

by Alkem Laboratories Ltd
₹90.47/syrup
7% costlier
<h3 class=bodySemiBold>Sumo Cold AF Syrup</h3>

Tuscold-AF Syrup

by Med Manor Organics Pvt Ltd
₹69.38/syrup
18% cheaper
<h3 class=bodySemiBold>Tuscold-AF Syrup</h3>

Welkoff-AF Syrup

by Wellona Pharmaceutical Private Limited
₹70.31/syrup
17% cheaper
<h3 class=bodySemiBold>Welkoff-AF Syrup</h3>

Quick tips

  • Synominic Syrup is commonly prescribed to relieve symptoms of cold and allergy such as runny nose, sneezing, and watery eyes in children.
  • Give this medicine exactly as advised by your doctor. Do not exceed the recommended dose.
  • Synominic Syrup may cause slight drowsiness or irritability in some children. Monitor your child after giving the dose.
  • This medicine should not be given to children below 4 years of age.
  • Inform your doctor if your child has any existing medical conditions or is taking any other medications.

Safety advice

Alcohol

Alcohol

CAUTION
Alcohol should be used with caution while taking Synominic Syrup.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
Information regarding the use of Synominic Syrup during pregnancy is not available. Please consult your doctor.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Information regarding the use of Synominic Syrup during breastfeeding is not available. Please consult your doctor.
Driving

Driving

CONSULT YOUR DOCTOR
It is not known whether Synominic Syrup alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.
Kidney

Kidney

CONSULT YOUR DOCTOR
There is limited data available on the use of Synominic Syrup in patients with kidney disease. Please consult your doctor.
Liver

Liver

CONSULT YOUR DOCTOR
There is limited data available on the use of Synominic Syrup in patients with liver disease.

Frequently asked questions

Synominic Syrup is a combination of two medicines that help to relieve the symptoms of cold. It consists of Chlorpheniramine, an antiallergic that relieves allergy symptoms like runny nose, watery eyes, and sneezing. It also consists of Phenylephrine, a decongestant that narrows the small blood vessels providing relief from congestion or stuffiness in the nose.
Synominic Syrup is safe for most of the patients when taken according to the dose and duration recommended by the doctor. However, in some patients it may cause common side effects like nausea, vomiting, headache, sleepiness and other uncommon or rare side effects. If you experience any problem while taking this medicine, inform your doctor as soon as possible.
Yes, the use of Synominic Syrup can cause nausea and vomiting. Taking it with milk, food or with antacids can prevent nausea. Avoid taking fatty or fried foods along with this medication. In case of vomiting, drink plenty of water or other fluids by taking small frequent sips. Talk to your doctor if vomiting persists. Do not take any other medicine without speaking to a doctor.
Yes, the most common side effect of Synominic Syrup is drowsiness. Avoid driving, operating heavy machinery or engaging in other activities that need your full attention, unless your healthcare provider has permitted you to do so. Do not drink alcohol or other cough and cold medicines. Also, avoid taking medicines that help you sleep while taking Synominic Syrup as it may lead to excessive drowsiness.
No, taking a higher than the recommended dose of Synominic Syrup can lead to increased side effects due to overdose. Do not start, stop or change the dosage of your medicine before consulting your doctor.
The use of Synominic Syrup is considered to be harmful to patients with known allergy to any of the components of this medication. Tell your healthcare provider about all your medical conditions such as heart disease, high blood pressure, hyperthyroidism, glaucoma and enlarged prostate (difficulty in urination) before taking Synominic Syrup.
Keep this medicine in the container or the pack it came in, tightly closed. Store it according to the instructions mentioned on the pack or label. Dispose of the unused medicine. Make sure it is not consumed by pets, children and other people.
Synominic Syrup is a combination of two medicines that help to relieve the symptoms of cold. It consists of Chlorpheniramine, an antiallergic that relieves allergy symptoms like runny nose, watery eyes, and sneezing. It also consists of Phenylephrine, a decongestant that narrows the small blood vessels providing relief from congestion or stuffiness in the nose.
Synominic Syrup is safe for most of the patients when taken according to the dose and duration recommended by the doctor. However, in some patients it may cause common side effects like nausea, vomiting, headache, sleepiness and other uncommon or rare side effects. If you experience any problem while taking this medicine, inform your doctor as soon as possible.
Yes, the use of Synominic Syrup can cause nausea and vomiting. Taking it with milk, food or with antacids can prevent nausea. Avoid taking fatty or fried foods along with this medication. In case of vomiting, drink plenty of water or other fluids by taking small frequent sips. Talk to your doctor if vomiting persists. Do not take any other medicine without speaking to a doctor.
Yes, the most common side effect of Synominic Syrup is drowsiness. Avoid driving, operating heavy machinery or engaging in other activities that need your full attention, unless your healthcare provider has permitted you to do so. Do not drink alcohol or other cough and cold medicines. Also, avoid taking medicines that help you sleep while taking Synominic Syrup as it may lead to excessive drowsiness.
No, taking a higher than the recommended dose of Synominic Syrup can lead to increased side effects due to overdose. Do not start, stop or change the dosage of your medicine before consulting your doctor.
The use of Synominic Syrup is considered to be harmful to patients with known allergy to any of the components of this medication. Tell your healthcare provider about all your medical conditions such as heart disease, high blood pressure, hyperthyroidism, glaucoma and enlarged prostate (difficulty in urination) before taking Synominic Syrup.
Keep this medicine in the container or the pack it came in, tightly closed. Store it according to the instructions mentioned on the pack or label. Dispose of the unused medicine. Make sure it is not consumed by pets, children and other people.
Synominic Syrup is a combination of two medicines that help to relieve the symptoms of cold. It consists of Chlorpheniramine, an antiallergic that relieves allergy symptoms like runny nose, watery eyes, and sneezing. It also consists of Phenylephrine, a decongestant that narrows the small blood vessels providing relief from congestion or stuffiness in the nose.
Synominic Syrup is safe for most of the patients when taken according to the dose and duration recommended by the doctor. However, in some patients it may cause common side effects like nausea, vomiting, headache, sleepiness and other uncommon or rare side effects. If you experience any problem while taking this medicine, inform your doctor as soon as possible.
Yes, the use of Synominic Syrup can cause nausea and vomiting. Taking it with milk, food or with antacids can prevent nausea. Avoid taking fatty or fried foods along with this medication. In case of vomiting, drink plenty of water or other fluids by taking small frequent sips. Talk to your doctor if vomiting persists. Do not take any other medicine without speaking to a doctor.
Yes, the most common side effect of Synominic Syrup is drowsiness. Avoid driving, operating heavy machinery or engaging in other activities that need your full attention, unless your healthcare provider has permitted you to do so. Do not drink alcohol or other cough and cold medicines. Also, avoid taking medicines that help you sleep while taking Synominic Syrup as it may lead to excessive drowsiness.
No, taking a higher than the recommended dose of Synominic Syrup can lead to increased side effects due to overdose. Do not start, stop or change the dosage of your medicine before consulting your doctor.
The use of Synominic Syrup is considered to be harmful to patients with known allergy to any of the components of this medication. Tell your healthcare provider about all your medical conditions such as heart disease, high blood pressure, hyperthyroidism, glaucoma and enlarged prostate (difficulty in urination) before taking Synominic Syrup.
Keep this medicine in the container or the pack it came in, tightly closed. Store it according to the instructions mentioned on the pack or label. Dispose of the unused medicine. Make sure it is not consumed by pets, children and other people.

Fact Box

Habit Forming

No

Therapeutic Class

RESPIRATORY

References

  1. Chlorpheniramine maleate, phenylephrine HCl [Prescribing Information]. [Accessed 18 Apr. 2019] (online) Available from:
  2. Chlorpheniramine. Brentford, Middlesex: GlaxoSmithKline Consumer Healthcare; 2016. [Accessed 18 Apr. 2019] (online) Available from:
  3. Phenylephrine Hydrochloride and Chlorpheniramine Maleate [Prescription Information]. 2020. [Accessed 16 Sep. 2024] (online) Available from:
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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Synovion Laboratories Pvt Ltd
Address: Office No 1, 1st Floor,Plot No 5,KH. NO. 16/1, Uday Singh Palace Village Naharpur Sector-7 Rohini Delhi -110085

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Synominic Syrup. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

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Why we need a prescription?
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Prescriptions are complex documents. We proof read and recheck at various steps to provide you the right medication in the correct form and dose
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Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945
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