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Isofed Syrup

Written By Dr. Syeda Aafia, MBA, BDS
Reviewed By Dr. Rajeev Sharma, MBA, MBBS
Last updated on 13 Mar 2026 | 01:39 PM (IST)
Isofed Syrup is a combination medicine used in the treatment of common cold symptoms. It relieves allergy symptoms such as runny nose, stuffy nose, sneezing, watery eyes and congestion or stuffiness.
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General Information

Contains

Pseudoephedrine (NA)+ Triprolidine (NA)

Marketer

Macleods Pharmaceuticals Pvt Ltd

Storage

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

Product introduction

Isofed Syrup is taken with or without food in a dose and duration as advised by the doctor. The dose you are given will depend on your condition and how you respond to the medicine. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your healthcare team know about all other medications you are taking as some may affect, or be affected by this medicine.

The most common side effects are nausea, stomach discomfort, headache, nervousness, restlessness, and insomnia. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. This medicine may cause dizziness and sleepiness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Avoid drinking alcohol while taking this medicine as it can worsen your sleepiness.

Never support self-medication or recommend your medicine to another person. It is beneficial to have plenty of fluids while taking this medication. Before you start taking this medicine it is important to inform your doctor if you are suffering from liver disease. You should also tell your doctor if you are pregnant, planning pregnancy or breastfeeding.

Uses of Isofed Syrup

Benefits of Isofed Syrup

Common cold
Isofed Syrup is a combination medicine that effectively relieves symptoms of the common cold, such as a blocked nose, runny nose, watery eyes, sneezing, and congestion or stuffiness. 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.

Isofed Syrup is safe and effective. It usually starts to work within a few minutes, and the effects can last up to several hours. Take it as prescribed by your doctor, and do not stop using it unless you are advised otherwise.

Side effects of Isofed 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 Isofed
  • Nausea
  • Headache
  • Nervousness
  • Dizziness
  • Sleepiness
  • Insomnia (difficulty in sleeping)
  • Paradoxical reactions
  • Psychomotor impairment
  • Blurred vision
  • Increased bronchial secretions
  • Dryness in mouth
  • Gastrointestinal disorder
  • Vomiting
  • Urinary retention

How to use Isofed 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. Isofed Syrup may be taken with or without food.

How Isofed Syrup works

Isofed Syrup is a combination of two medicines: Pseudoephedrine and Triprolidine, which relieves cold symptoms.

Quick tips

  • Isofed Syrup helps relieve symptoms of cold and flu such as watery eyes, runny nose, sneezing, and itching of the nose or throat.
  • Take it as per the dose and duration prescribed by your doctor.
  • It may cause dizziness and sleepiness. Don't drive or do anything that requires mental focus until you know how it affects you.
  • Avoid consuming alcohol when taking Isofed Syrup as it may cause excessive drowsiness.
  • Inform your doctor if you are pregnant or planning to conceive or breastfeeding.

Safety advice

Alcohol

Alcohol

CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Isofed Syrup. Please consult your doctor.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
The safety of Isofed Syrup during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.
Breast feeding

Breast feeding

SAFE IF PRESCRIBED
Isofed Syrup may be safe to use during breastfeeding. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.
Driving

Driving

UNSAFE
Isofed Syrup may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Caution is advised when driving or operating machinery.
Kidney

Kidney

CAUTION
Isofed Syrup should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Use of Isofed Syrup is not recommended in patients with severe kidney disease.
Liver

Liver

CAUTION
Isofed Syrup should be used with caution in patients with severe liver disease. Dose adjustment may be needed.

Fact Box

Habit Forming

No

Therapeutic Class

RESPIRATORY

References

  1. Pseudoephedrine + Triprolidine. Val de Reuil, France: Janssen-Cilag; 2012. [Accessed 18 Apr. 2019] (online) Available from:
  2. Pseudoephedrine hydrochloride. Maidenhead, Berks: McNeil Products Limited; 29 Sep. 1998 [revised 30 Jan. 2013]. [Accessed 18 Apr. 2019] (online) Available from:
  3. ScienceDiret. Triprolidine. [Accessed 18 Apr. 2019] (online) Available from:
  4. Pseudoephedrine hydrochloride. Huddersfield, West Yorks: Thornton and Ross; 2008 [revised 18 Feb. 2015]. [Accessed 18 Apr. 2019] (online) Available from:
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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: Macleods Pharmaceuticals Pvt Ltd
Address: Atlanta Arcade, Marol Church Road, Andheri (East), Mumbai - 400059, INDIA.

Vendor Details

Country of origin: India

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