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Isoniazid

Uses

Isoniazid is used in the treatment of tuberculosis. It is also used to treat inactive (latent) TB.

How it Works

How Isoniazid works: Isoniazid is an antibiotic that kills the bacteria causing tuberculosis.

Side Effects

Common side effects of Isoniazid include peripheral neuropathy (tingling and numbness in the feet and hands), hepatitis (inflammation of the liver), skin rash, lethargy, and increased liver enzymes.

Expert Advice

Your doctor has prescribed Isoniazid to treat your infection and alleviate symptoms.
Isoniazid is best taken on an empty stomach.
You must also take a vitamin B6 supplement while on Isoniazid.
Inform your doctor immediately if you experience any of the following symptoms:

Vision changes
Loss of appetite
Tiredness
Stomach pain
Nausea or vomiting
Yellowing of the skin or eyes
Dark-colored urine

Other Combinations

Ethambutol + Isoniazid + Piperine + Pyrazinamide + Rifampicin

Ethambutol + Isoniazid + Pyrazinamide + Rifampicin

Ethambutol + Isoniazid + Pyrazinamide + Rifampicin + Vitamin B6 (Pyridoxine)

Ethambutol + Isoniazid + Rifampicin

Ethambutol + Isoniazid + Rifampicin + Vitamin B6 (Pyridoxine)

Isoniazid + Piperine + Rifampicin

Isoniazid + Pyrazinamide + Rifampicin

Isoniazid + Pyrazinamide + Rifampicin + Vitamin B6 (Pyridoxine)

Isoniazid + Rifampicin + Vitamin B6 (Pyridoxine)

Isoniazid + Sodium aminosalicylate

Isoniazid + Vitamin B6 (Pyridoxine)

Related Medications

Salt Composition

Isoniazid 300mg

Isoniazid 300mg Tablet

Cadila Healthcare Ltd.

Strip of 10 tablets

MRP ₹1.8

Salt Composition

Isoniazid 300mg

Lup Inh 300mg Tablet

Lupin Ltd.

Strip of 10 tablets

MRP ₹10.9

Salt Composition

Isoniazid 100mg

Solonex DT Tablet

Macleods Pharmaceuticals Pvt. Ltd.

Strip of 10 tablets

MRP ₹7.9

Salt Composition

Isoniazid 100mg

Isonex 100mg Tablet 1000s

Pfizer Ltd.

Bottle of 1000 tablets

MRP ₹289.6

Salt Composition

Isoniazid 100mg

Iso 100mg Tablet

Kentreck Laboratories Pvt. Ltd.

Strip of 10 tablets

MRP ₹9.4

Salt Composition

Isoniazid 300mg

Isonij 300mg Tablet 10s

Sunij Pharma Pvt. Ltd.

Strip of 10 tablets

MRP ₹11.2

Salt Composition

Isoniazid 300mg

Solonex Tablet

Macleods Pharmaceuticals Pvt. Ltd.

Strip of 10 tablets

MRP ₹13.8

Salt Composition

Isoniazid 300mg

Isonex 300mg Tablet 10s

Pfizer Ltd.

Strip of 10 tablets

MRP ₹21.5

Salt Composition

Isoniazid 300mg

Iso 300mg Tablet

Kentreck Laboratories Pvt. Ltd.

Strip of 10 tablets

MRP ₹17.4

Salt Composition

Isoniazid + Rifampicin 125mg

Lynacox Tablet DT

Lancer Healthcare Pvt. Ltd.

Strip of 10 tablets

MRP ₹11.2

Salt Composition

Isoniazid 300mg + Rifampicin 450mg

R Cinex 450/300mg Tablet 10s

Lupin Ltd.

Strip of 10 tablets

MRP ₹128.7

Salt Composition

Ethambutol 800mg + Isoniazid 300mg

Osobutol Plus 300/800mg Tablet 10s

Osho Pharma Pvt. Ltd.

Strip of 10 tablets

MRP ₹50

Salt Composition

Ethambutol 800mg + Isoniazid 300mg

Eburiv I 300mg/800mg Tablet

East African India Overseas

Strip of 10 tablets

MRP ₹50

Salt Composition

Isoniazid 300mg + Rifampicin 450mg

Mexcox Plus 450mg/300mg Tablet

Mexon Healthcare Ltd.

Strip of 10 tablets

MRP ₹68.7

Salt Composition

Isoniazid 300mg + Rifampicin 100mg

Coxwin ZH Kid 100 mg/300 mg Tablet

Marc Laboratories Pvt. Ltd.

Strip of 10 tablets

MRP ₹20.2

Salt Composition

Isoniazid 150mg + Rifampicin 300mg

Scc 2 LW 300 mg/150 mg Tablet

Maneesh Pharmaceuticals Ltd.

Strip of 10 tablets

MRP ₹38.5

Salt Composition

Isoniazid 300mg + Rifampicin 450mg

Tubachem 450mg/300mg Tablet

Chemo Biological

Strip of 10 tablets

MRP ₹48

Salt Composition

Isoniazid 300mg + Rifampicin 450mg

COXINEX 450MG/300MG CAPSULE

Aristo Pharmaceuticals Pvt. Ltd.

Strip of 10 capsules

MRP ₹65.1

Salt Composition

Isoniazid 75mg + Rifampicin 150mg

Ticinex 150mg/75mg Tablet

Themis Medicare Ltd.

Strip of 6 tablets

MRP ₹11.7

Salt Composition

Ethambutol 800mg + Isoniazid 300mg

Telex 800/300mg Tablet 10s

Pan Pharmaceuticals Ltd.

Strip of 10 tablets

MRP ₹14.1

Salt Composition

Isoniazid 50mg + Rifampicin 100mg

Montonex Kid 100mg/50mg Tablet

Shreya Life Sciences Pvt. Ltd.

Strip of 10 tablets

MRP ₹11.3

Salt Composition

Isoniazid 300mg + Rifampicin 450mg

Rifampirose Forte Tablet

Medirose drug & pharma

Strip of 10 tablets

MRP ₹42.9

Salt Composition

Isoniazid 300mg + Rifampicin 450mg

Carin 450/300mg Capsule 10s

Pan Pharmaceuticals Ltd.

Strip of 10 capsules

MRP ₹26

Salt Composition

Isoniazid 75mg + Rifampicin 150mg

RI Kid Tablet DT

Hippo Labs Pvt. Ltd.

Strip of 10 tablets

MRP ₹22

Salt Composition

Isoniazid 100mg + Rifampicin 150mg

Faminex Kid 150 mg/100 mg Tablet

Lark Laboratories Ltd.

Strip of 10 tablets

MRP ₹18.8

Frequently asked questions

Is Isoniazid safe?

Yes, Isoniazid is safe when taken at prescribed doses and durations as directed by a healthcare provider.

Is Isoniazid a MAOI?

Isoniazid exhibits weak inhibitory activity on monoamine oxidase (MAO) enzymes but is not used as a monoamine oxidase inhibitor (MAOI).

Is Isoniazid a sulfa drug?

No, Isoniazid differs in chemical structure and mechanism of action from sulfa drugs.

Is Isoniazid an antibiotic?

Isoniazid is an antibiotic used for the prevention and treatment of tuberculosis (TB), a serious bacterial infection primarily affecting the lungs.

Is Isoniazid a chemotherapy drug?

Isoniazid is a primary antibiotic for tuberculosis treatment and should not be confused with chemotherapy drugs used for cancer.

Does Isoniazid affect birth control?

Isoniazid does not interact with common oral contraceptives, but the tuberculosis treatment drug rifampin can reduce the effectiveness of birth control pills.

Is Isoniazid an inducer or inhibitor?

Isoniazid is an inhibitor of a key liver enzyme system that processes and eliminates various drugs from the body.

Is Isoniazid bacteriostatic or bactericidal?

Isoniazid is a bacteriostatic antibiotic that inhibits the growth of tuberculosis-causing bacteria by disrupting their cell wall formation.

Does Isoniazid cause acne, tiredness, or constipation?

Unusual tiredness, constipation, or acne may occur during Isoniazid treatment. Consult your doctor about all medications you are taking to prevent interactions.

Does Isoniazid cause weight changes, hair loss, diarrhea, or affect menstruation?

Weight changes, hair loss, diarrhea, and menstrual changes are not recognized side effects of Isoniazid, although some may occur during multi-drug tuberculosis treatment.

Can I take Isoniazid with ibuprofen, Benadryl, Nyquil, Aleve, Mucinex, or amoxicillin?

There are no known serious interactions between Isoniazid and ibuprofen, acetaminophen (Tylenol), naproxen (Aleve), amoxicillin, or any active ingredients in Nyquil or Mucinex. Inform your doctor about all medications you are taking to avoid potential interactions.

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