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Inh 300mg Tablets

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Inh 300 MG Description

Inh 300mg tablet falls under the category of “antibiotics” used to manage Tuberculosis. It contains “Isoniazid,” which works by killing the organisms that cause tuberculosis (Mycobacterium tuberculos

is). Usually, it is taken in combination with other medicines to prevent the spread of infection more efficiently. It is important to not leave the course of medicine in between, even if optimum health is attained. Make sure to complete the treatment protocol prescribed by the doctor, as not doing so may result in the treatment failing as well as the occurrence of side effects. Some commonly encountered side effects of Inh 300mg tablet include tingling sensation and numbness in hands and feet. Report the doctor in case of yellowing of eyes, nail beds, dark urine, pain in stomach and joints as it may be associated with jaundice. In some cases, the occurrence of hepatitis and increased liver enzymes are also noticed as side effects. Do not delay reporting it to the doctor, as these side effects may require appropriate treatment and medical attention. The doctor regularly monitors the liver functions while keeping the patient on Inh 300mg tablets. Try not to consume alcohol while consuming Inh 300mg tablets, as this may cause adverse side effects and can worsen the condition. Pregnant and breastfeeding mothers must consult the doctor before consumption of the Inh 300mg tablet.


Product Summary

Offer Price₹283.36
You Save₹38.64 (12% on MRP)
ContainsIsoniazid(300.0 Mg)
UsesPulmonary tuberculosis, extrapulmonary tuberculosis
Side effectsNausea, loss of appetite, unusual tiredness, convulsions, dark urine, mental depression, skin rash, pain in joints, unusual bleeding, unusual bruising.
Check more medicines with composition as Isoniazid(300.0 Mg)

Uses of Inh 300 MG

  • Pulmonary tuberculosis (within the lungs)
  • Extrapulmonary tuberculosis (outside the lungs)

Contraindications of Inh 300 MG

Hypersensitivity to Isoniazid Alcoholism Gout (A form of arthritis characterised by severe pain, redness and tenderness in joints) Acute liver failure Hepatic impairment Severe liver problems Re...
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Side effects of Inh 300 MG

  • Nausea
  • Vomiting
  • Dark urine
  • Loss of appetite
  • Unusual tiredness
  • Convulsions
  • Mental depression
  • Skin rash
  • Pain in joints
  • Unusual bleeding
  • Unusual bruising
  • Tingling or numbness of hands and feet

Precautions and Warnings of Inh 300 MG



Can I take Inh 300mg during pregnancy?
It is not recommended to take Inh 300mg tablets by pregnant women unless it is an emergency. Discuss with your doctor all the risks, benefits, and side effects associated with the consumption of medicine before consuming it.

Breast Feeding

Can I take Inh 300mg while breastfeeding?
It is not recommended for breastfeeding mothers to take an Inh 300mg tablet unless it is necessary. Before taking the medicine, all the risks, benefits, and side effects must be discussed with the doctor. It can be given to breastfeeding mothers along with the proper supplementation of vitamin B6 as per the directions of the doctor.


Can I drive if I have taken Inh 300mg?
You must not drive if you have taken an Inh 300mg tablet. Consuming an Inh 300mg tablet may cause side effects like dizziness, nausea, vomiting, confusion, and fainting. So, it is not safe to drive unless the senses are in control.


Can I consume alcohol with the Inh 300mg?
Consuming alcohol with an Inh 300mg tablet may prove to be quite unsafe as it tends to increase the risk of severe side effects like drowsiness, nausea, vomiting, confusion, and fainting.

Other General Warnings

Talk to your doctor if
  • You are diagnosed with Liver impairment – The use of Inh 300mg tablets is not well established in patients with liver impairment due to the increased risk of occurrence of severe side effects. Regular...
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  • You are diagnosed with Renal impairment – The use of Inh 300mg tablets is not well established in patients with renal impairment due to its severe side effects on the patient's body. Regular monitorin...
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Mode of Action of Inh 300 MG

How Does It Work?

Inh 300mg contains “Isoniazid” that works by killing the bacteria causing Tuberculosis, i.e., Mycobacterium tuberculosis. It is a chemical that gets activated by bacterial catalase (Catalase is a comm...
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Directions for Use of Inh 300 MG

  • Take the Inh 300mg tablet as per the doctor's directions.
  • Swallow one tablet as a whole.
  • Inh 300mg tablet is generally taken on an empty stomach.
  • Avoid chewing, breaking, or crushing the tablet.

Interactions of Inh 300 MG

Interactions with other medicines

  • Inh 300mg tablet may show interactions with the following medications:
  • Alprazolam
  • Carbamazepine
  • Chlordiazepoxide
  • Clobazam
  • Acemetacin
  • Acalabrutinib
  • Acetaminophen
  • Acetazolamide

Interactions with food items

  • While using Inh 300mg tablet, avoid foods containing tyramine (such as aged cheese, soy sauce, red wine, etc.) and chocolates.

Storage and disposal of Inh 300 MG

Keep the Inh 300mg tablet in a cool and dry place. Make sure to keep the medicine away from moisture and sunlight. Keep the medicine in a place where children and pets can’t reach easily. Discard the...
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Dosage of Inh 300 MG


  • In case of a suspected overdose, seek emergency help as the overdose may be associated with many symptoms like seizures, metabolic acidosis, coma, and even death.

Missed a Dose

In case of a missed dose, take the dose as soon as you remember it. If it is now the time for the next dose, then go with the fresh dosing schedule and skip the dose that has been missed. Do not doubl...
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Content Details


Dr. Varsha Parihar

MBBS, MD (Community Medicine)

Frequently Asked Questions (FAQs)


Q: Is Inh 300mg tablet an antibiotic?

A: Yes. Inh 300mg tablet is an antibiotic used for tuberculosis or TB.

Q: Can Inh 300mg tablet be used as a chemotherapy medication?

  • No. Inh 300mg tablet is an antibiotic for tuberculosis. Make sure not to confuse it with any chemotherapy medication to cure cancer.
Last Updated on: 25 Jan 2022 | 01:23 PM (IST)

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