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Brethnol Plus Syrup is a combination medicine used to treat asthma. It helps in relaxing the muscles of the air passages, thus widening it and making it easier to breathe.

Written By Dr. Lipika Khurana, PGDHHM, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 25 Nov 2025 | 03:07 PM (IST)
₹25.4 MRP ₹28.1310% off 
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General Information

Contains

Choline Theophyllinate (60mg/5ml)+ Salbutamol (2mg/5ml)

Marketer

Bangalore Antibiotics & Biologicals Pvt Ltd

Storage

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

Product introduction

Brethnol Plus Syrup is taken 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, vomiting, stomach pain, restlessness, tremors, headache, palpitations, increased heart rate, and muscle cramp. 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. It may cause sleepiness and dizziness, 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.

Before taking this medicine, you should tell your doctor if you have any kidney or liver diseases so that your doctor can prescribe a suitable dose for you. You should also tell your doctor if you are pregnant, planning pregnancy or breastfeeding.

Uses of Brethnol Plus Syrup

Benefits of Brethnol Plus Syrup

Treatment of Asthma
Asthma is a chronic respiratory condition that causes inflammation and narrowing of the airways, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. These symptoms can worsen with physical activity, allergens, or infections, making daily activities challenging. Brethnol Plus Syrup is used in the treatment of asthma to improve airflow and ease breathing. It helps to relax the airway muscles and reduce inflammation, it provides relief from symptoms and reduces the frequency of asthma attacks, allowing better control over the condition and improving quality of life.

Side effects of Brethnol Plus 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 Brethnol Plus
  • Restlessness
  • Tremors
  • Headache
  • Palpitations
  • Increased heart rate
  • Muscle cramp
  • Nausea
  • Vomiting
  • Stomach pain

How to use Brethnol Plus 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. Brethnol Plus Syrup is to be taken on an empty stomach.
Avoid Brethnol Plus Syrup with caffeine and chocolate as well as food containing caffeine and chocolate such as tea leaves, cocoa beans.

How Brethnol Plus Syrup works

Brethnol Plus Syrup is a combination of two medicines:.

Quick tips

  • You have been prescribed Brethnol Plus Syrup for the treatment of asthma.
  • It should be taken at the same time each day, preferably in the evening after food.
  • It does not work right away and should not be used to relieve sudden breathing problems. Always keep a fast-acting (rescue) inhaler with you.
  • Your doctor may get regular blood tests done to make sure that you are taking the right dose.
  • Your doctor may regularly monitor your  blood potassium levels. Inform your doctor if you notice muscle twitching or weakness, or an irregular heartbeat.
  • Do not stop taking the medicine without consulting your doctor, even if you feel better.
  • You have been prescribed Brethnol Plus Syrup for the treatment of asthma.
  • It should be taken at the same time each day, preferably in the evening after food.
  • It does not work right away and should not be used to relieve sudden breathing problems. Always keep a fast-acting (rescue) inhaler with you.
  • Your doctor may get regular blood tests done to make sure that you are taking the right dose.
  • Your doctor may regularly monitor your  blood potassium levels. Inform your doctor if you notice muscle twitching or weakness, or an irregular heartbeat.
  • Do not stop taking the medicine without consulting your doctor, even if you feel better.

Safety advice

Alcohol

Alcohol

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

Pregnancy

CONSULT YOUR DOCTOR
The safety of Brethnol Plus 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
Available human data suggest that the drug does not pass into breast milk in clinically significant amounts and is unlikely to harm the infant.
Driving

Driving

UNSAFE
Brethnol Plus Syrup may cause side effects that could affect your ability to drive.
Brethnol Plus Syrup may cause side effects such as dizziness, increased or uneven heart rate, muscle cramps or muscle pain. This may affect your ability to drive.
Kidney

Kidney

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

Liver

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

Fact Box

Habit Forming

No

Therapeutic Class

RESPIRATORY

Related lab tests

Absolute Eosinophil Count

Complete Blood Count

References

  1. Salbutamol. Stockley Park West Uxbridge: Glaxo Wellcome UK Ltd.; 2005 [revised 5 Feb. 2015]. [Accessed 01 Apr. 2019] (online) Available from:
  2. PubChem. Choline Theophyllinate. [Accessed 01 Apr. 2019] (online) Available from:
  3. ScienceDirect. Salbutamol/Albuterol. [Accessed 01 Apr. 2019] (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: Bangalore Antibiotics & Biologicals Pvt Ltd
Address: 5/235,B, 1st Floor, Thistle House, PHED Road, Eranhipalam, Civil Station P.O, Calicut - 673 020, Kerala, India.

Vendor Details

Country of origin: India

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