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Symox B Capsule is a combination medicine that is prescribed to treat various types of respiratory infections. It treats the infection and prevents further infections by acting against the microorganisms. It also reduces the viscosity of the mucus (phlegm) for easy cough out.

Written By Dr. Lipika Khurana, PGDHHM, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 25 Nov 2025 | 03:07 PM (IST)
₹31.6 MRP ₹3510% off 
As per Ministry of Health and Family Welfare
 
 
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Symox B Capsule image
Symox B Capsule image

Product introduction

Symox B Capsule is a prescription medicine. It is advised to take it as per the prescription. It can be taken with or without food, but it must be taken at a fixed time to ensure better efficacy. Do not consume more than the recommended dose, as this may have harmful effects on your body. If you miss a dose, take it as soon as you remember. The treatment must be completed even if you feel better.

The common side effects of this medicine are nausea, vomiting, diarrhea, rashes, etc. If any of the side effects get aggravated, you must consult your doctor immediately. If you experience any allergic reactions like rashes, itching, swelling, shortness of breath, etc. then you must seek immediate medical help.

Before taking this medicine, you should tell your doctor if you are taking any medicines for any health condition. Pregnant or breastfeeding women should also consult with their doctor before taking it. Avoid drinking alcohol as it can cause excessive drowsiness with this medicine. It usually does not impair your ability to drive, but you should not drive if it makes you feel sleepy or dizzy.

Uses of Symox B Capsule

  • Respiratory tract infection

Benefits of Symox B Capsule

Respiratory tract infection
Respiratory tract infections are those infections that can affect the sinuses, throat, airways or lungs. Symox B Capsule contains two different medicines, Amoxycillin and Bromhexine, that work together to kill the bacteria that cause respiratory tract infections. Amoxycillin works by stopping the growth of bacteria. Bromhexine helps to loosen thick mucus, making it easier to cough out. This makes it easier for air to move in and out. It also enhances the activity of Amoxycillin against bacteria.
It usually makes you feel better within a few days, but you should continue taking it as prescribed even when you feel better to make sure that all bacteria are killed and do not become resistant.

Side effects of Symox B Capsule

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 Symox B
  • Nausea
  • Diarrhea
  • Bloating
  • Indigestion
  • Dizziness
  • Headache
  • Sweating
  • Skin rash
  • Allergic reaction

How to use Symox B Capsule

Take this medicine in the dose and duration as advised by your doctor. Symox B Capsule may be taken with or without food.

How Symox B Capsule works

Symox B Capsule is a combination of two medicines: Amoxycillin and Bromhexine which treat respiratory tract infections associated with excessive mucus (phlegm). Amoxycillin is an antibiotic which kills bacteria by preventing them from forming their own protective covering. Bromhexine is a mucolytic which thins and loosens mucus (phlegm), making it easier to cough out. Addition of Bromhexine enhances the antibacterial effect of Amoxycillin.

Quick tips

  • Take your medication timely to maintain steady levels in your body.
  • Do not skip any doses and finish the full course of treatment even if you feel better. Stopping it early may make the infection come back and harder to treat.
  • Avoid consuming alcohol while taking medication as it may cause increased side effects.
  • Discontinue Symox B Capsule and inform your doctor immediately if you get a rash, itchy skin, swelling of face and mouth, or have difficulty in breathing.
  • Diarrhea might occur as a side effect of medicine. Drink plenty of fluids or inform your doctor if it bothers you.

Safety advice

Alcohol

Alcohol

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

Pregnancy

SAFE IF PRESCRIBED
Symox B Capsule is generally considered safe to use during pregnancy. Animal studies do not indicate harmful effects. However, there are limited human studies.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Information regarding the use of Symox B Capsule during breastfeeding is not available. Please consult your doctor.
Driving

Driving

UNSAFE
Symox B Capsule may cause side effects that could affect your ability to drive.
Symox B Capsule can have side effects and the symptoms (such as allergic reactions, dizziness and convulsions) may make you unfit to drive.
Kidney

Kidney

CAUTION
Symox B Capsule should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Use of this medicine is not recommended in patients with severe kidney disease.
Liver

Liver

CAUTION
Symox B Capsule should be used with caution in patients with liver disease. Dose adjustment may be needed.
Regular monitoring of liver function tests is recommended while you are taking this medicine

Frequently asked questions

Take Symox B Capsule as soon as you remember it. However, do not take it if it's almost time for your next dose. Also, do not take an extra dose to make up for your missed dose.
Although it is rare but yes, Symox B Capsule can cause allergic reaction and is harmful in patients with known allergy to penicillins. Get emergency medical help if you have any signs of an allergic reaction: hives; difficulty in breathing; swelling of your face, lips, tongue, or throat.

Fact Box

Habit Forming

No

Therapeutic Class

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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: Symet Drugs Ltd
Address: Block III, Flat No 102, Satya Kalyan's, R B R Complex, Miyapur, Hyderabad-500050.

Vendor Details

Country of origin: India
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