express delivery
Express delivery to
Select Pincode
Search for Medicine and Healthcare items

Isonex 100mg Tablet

1000 Tablet(s) in Bottle
We do not sell this product
All the Products are packed and stored Safely

Isonex 100 MG Description

Isonex 100 mg Tablet is a prescription medication that belongs to a class of medications known as antibiotics. The active ingredient present in the medication is isoniazid. Isonex 100 mg is used in t

he treatment of tuberculosis. It is typically given with other medications as a way to prevent the spread of the infection. Tuberculosis is a potentially serious infection that infects the lungs primarily, and can spread from one infected person to another through air droplets. It is caused by a bacterium called Mycobacterium tuberculosis. The mode of action of Isonex 100 mg is that it kills the bacteria that is responsible for the infection. It is advisable to always take Isonex 100 mg Tablet as and when prescribed by your doctor. Stopping the medication earlier can lead to the infection coming back or the treatment becoming ineffective. It can also cause the body to develop resistance to the antibiotic. Some common side effects of Isonex 100 mg are tingling and numbness of the extremities, jaundice, increased liver enzymes, dark urine, loss of appetite, fatigue, nausea, etc.


Product Summary

Offer Price₹249.05
You Save₹40.54 (14% on MRP)
ContainsIsoniazid(100.0 Mg)
Side effectsNausea, fatigue, dark urine, peripheral neuropathy etc.
Check more medicines with composition as Isoniazid(100.0 Mg)

Uses of Isonex 100 MG

  • Isonex 100 mg is used in,
  • Treatment of Tuberculosis

Contraindications of Isonex 100 MG

  • If you are hypersensitive or allergic to isoniazid, other antibiotics and other inactive substances present in the medication.

Side effects of Isonex 100 MG

  • Loss of appetite
  • Nausea
  • Vomiting
  • Tingling or numbness of hands and feet
  • Fatigue
  • Weakness
  • Seizures
  • Unusual bleeding or bruising
  • Joint pain
  • Skin Rash

Precautions and Warnings of Isonex 100 MG



Can I take Isonex 100 mg during pregnancy?
No. Taking Isonex 100 mg Tablets during the course of pregnancy is not advised. Inform your doctor about your pregnancy or intention to conceive at the time of consultation. Do not take Isonex 100 mg Tablet without medical advice.

Breast Feeding

Can I take Isonex 100 mg while breastfeeding?
No. Isonex 100 mg Tablet is not recommended for mothers who are breastfeeding. The limited studies conducted indicate that Isonex 100 mg may pass into breast milk in small amounts. Hence, it is advised to consult your doctor if you need to take Isonex 100 mg if you are breastfeeding.


Can I drive if I have taken Isonex 100 mg?
No. Isonex 100 mg tablets can cause side effects like blurry vision, confusion, and bouts of dizziness. It is advised to wait for a couple of hours before driving after taking Isonex 100 mg. The same caution should be exercised in the case of operating heavy machinery. Avoid driving in case you experience any of these symptoms and wait for them to pass.


Can I consume alcohol with the Isonex 100 mg?
No. Consuming alcohol with Isonex 100 mg Tablet is not advised. Mixing alcohol with Isonex 100 mg can lead to adverse reactions that include fever, nausea, fatigue, upset stomach, and dizziness.

Other General Warnings

Talk to your doctor if
  • You have acute liver disease or a history of liver impairment.
  • You have a history of alcoholism.
  • You have peripheral neuropathy. Peripheral neuropathy is damage to the nerves located outside the brain and spinal cord and can cause weakness, pain or numbness.
  • You conceive during the course of Isonex 100 mg or are planning a pregnancy.

Mode of Action of Isonex 100 MG

How Does It Work?

Isonex 100 mg belongs to a group of medications known as anti-tuberculosis medicines. They aid in the treatment of infection and prevent it from spreading to other parts of the body. Isonex works by p...
Read more

Directions for Use of Isonex 100 MG

  • Isonex 100 mg tablets must be taken as and when directed by your doctor.
  • Take Isonex 100 mg Tablet at the same time every day to ensure that a constant level of medication is maintained in the blood.
  • Swallow Isonex 100 mg Tablet as a whole with a glass of water. Do not break, crush or chew the tablet; this can reduce its efficacy.
  • Isonex 100 mg Tablet should be taken on an empty stomach and one or two hours before you have a meal. Food decreases the absorption of this medication.
  • Do not alter the dosage of Isonex 100 mg Tablet without consulting with your doctor. Talk to your doctor if you feel that your prescribed dosage isn’t working for you.
  • Do not stop Isonex 100 mg Tablet without consulting your doctor.

Interactions of Isonex 100 MG

Interactions with other medicines

  • To avoid side effects associated with medicine interaction, it is important to inform the doctor about all medicines and health supplements you are currently taking.
  • Isonex 100 mg Tablets are known to interact with the following medicines:
  • Pimozide (medication to control uncontrolled movements and sounds as seen in Tourette syndrome) - changes in heart rhythm
  • Lovastatin (medication used in the treatment of high blood cholesterol) - increases risk of myopathy (muscle pain) and muscle breakdown due to Lovastatin.
  • Halothane (medication used to induce or maintain anaesthesia) - causes liver problems
  • Teriflunomide (medication in the treatment of multiple sclerosis, a disabling disease of the brain and spine) - Teriflunomide may cause liver problems, and using it with other medications that can als...
    Read more
  • Citalopram (medication in the treatment of depression)- increases the risk of certain side effects, including an irregular heart rhythm that may be serious or life-threatening.
  • Carbamazepine (medication in the treatment of seizures) - increases the effects of Carbamazepine including nausea, visual disturbances, dizziness, or loss of muscle coordination.

Interactions with food items

  • Take the Isonex Tablet one or two hours before eating since food can decrease the absorption of this medicine. Inform your doctor about any supplements or herbal drinks you take before beginning your ...
    Read more

Storage and disposal of Isonex 100 MG

Store the Isonex 100 mg Tablet at room temperature in a cool and dry area, away from sunlight. Keep it away from the reach of children and pets at home. Store Isonex Tablet in its original packaging. ...
Read more

Dosage of Isonex 100 MG


If you or anyone you know has overdosed on the medication, contact your nearest hospital or your general practitioner for further advice. An overdose of Isonex 100 mg tablets can cause nausea, vomitin...
Read more

Missed a Dose

If you forget to take a dose of the Isonex 100 mg tablet, take the missed dose as soon as you can. If the gap is too long or if it is almost time for the next dose, skip the dose you have missed and c...
Read more

Content Details


Dr Tanya Prasad

BDS, MDS in Orthodontics


Dr. Vijay Y

MBBS, MD in Clinical Pharmacology

Frequently Asked Questions (FAQs)


Q: Can Isonex 100 mg Tabs be used in patients with kidney diseases?

A: Patients with kidney diseases should use Isonex 100 mg Tabs with caution. Dose adjustments can be made by the doctor based on a patient's clinical condition.

Q: Is Isonex 100 mg Tablet habit-forming?

A: No. Isonex 100 mg Tablets are not habit-forming in nature. However, you should not stop taking the medicine without consulting your doctor.

Q: Can Isonex 100 mg Tablets be used by people with diabetes?

A: Yes. The use of Isonex 100 mg is safe in patients with diabetes. Talk to your doctor about any pre-existing conditions you have.
Product Details
Expires on or After

Other Products from this Brand

Last Updated on: 19 Mar 2022 | 11:08 AM (IST)

Health Articles

The information provided herein is supplied to the best of our abilities to make it accurate and reliable as it is published after a review by a team of professionals. This information is solely intended to provide a general overview on the product and must be used for informational purposes only. You should not use the information provided herein to diagnose, prevent, or cure a health problem. Nothing contained on this page is intended to create a doctor-patient relationship, replace or be a substitute for a registered medical practitioner's medical treatment/advice or consultation. The absence of any information or warning to any medicine shall not be considered and assumed as an implied assurance. We highly recommend that you consult your registered medical practitioner for all queries or doubts related to your medical condition. You hereby agree that you shall not make any health or medical-related decision based in whole or in part on anything contained in the Site. Please click here  for detailed T&C.
Our Payment Partners