Health & Fitness

What is Isoniazid used for?

By: Michael TaylorUpdated: April 13, 2021


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    May 20, 2022
Isoniazid is an antibacterial prescription medicine approved by the U.S. Food and Drug Administration (FDA) for the prevention and treatment of tuberculosis (TB). TB is an opportunistic infection (OI) of HIV.

Similarly, you may ask, what is the side effect of isoniazid?

Nausea/vomiting or stomach upset may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. Tell your doctor right away if any of these unlikely but serious side effects occur: numbness/tingling of arms/legs, painful/swollen joints.

Also Know, how long do you have to take isoniazid?

To help clear up your tuberculosis (TB) completely, it is very important that you keep taking this medicine for the full time of treatment, even if you begin to feel better after a few weeks. You may have to take it every day for as long as 6 months to 2 years. It is important that you do not miss any doses.

What foods should be avoided while taking isoniazid?

It may increase your risk of liver damage while you are taking isoniazid. You may need to avoid certain foods while you are taking isoniazid. This includes red wine, aged cheese, dried meats, and tuna or other types of fish.

Can lungs recover after TB?

It has been known that the microbe that causes TB, Mycobacterium tuberculosis, can persist in the lungs even after patient tissue samples test negative for the bacteria. The findings show that TB bacteria may persist in the lungs even after patients have finished treatment and are free of clinical symptoms.


Is TB 100% curable?

TB can usually be completely cured by the person with TB taking a combination of TB drugs. The only time that TB may not be curable is when the person has drug resistant TB. TB is still very serious because if people don't take their drugs correctly or they don't take the correct drugs they may not be cured.

Can TB be cured in 3 months?

CDC: TB treatment can now be done in 3 months. ATLANTA - Health officials on Monday celebrated a faster treatment for people who have tuberculosis but aren't infectious, after investigators found a new combination of pills knocks out the disease in three months instead of nine.

Does isoniazid kill good bacteria?

Isoniazid can interfere with the activity of vitamin B6. Many antibiotics taken by mouth, including isoniazid, may kill friendly bacteria in the large intestine that produce vitamin K.

Does isoniazid cause skin darkening?

Hyperpigmentation caused by medication or toxic agents accounts for 10∼20% of all the cases of acquired hyperpigmentations. A 74-year-old man who had taken antituberculosis drop (rifampin and isoniazid) for 4 months developed generalized hyperpigmentation.

What vitamins should I take with isoniazid?

Supplementation with vitamin B6 is thought to help prevent isoniazid-induced niacin deficiency; however, small amounts of vitamin B6 (e.g. 10 mg per day) appear to be inadequate in some cases. People should consider using a daily multivitamin-mineral supplement during isoniazid therapy.

Is isoniazid safe?

Isoniazid is also not a safe drug and without toxicity, and side effects. Adverse effects of isoniazid have been reported by different researchers based on their clinical studies such as renal failure, liver injury and liver failure, development of agranulocytosis, isoniazid-induced tenosynovitis etc.

Can isoniazid cause liver damage?

Due to its high efficacy, isoniazid (INH) remains the drug of choice for treatment of latent tuberculosis (TB) despite the fact that it can cause liver failure 1. This is especially true for mild cases of liver injury, which occur in up to 20% of patients treated with the drug 5.

Does isoniazid make you sleepy?

If isoniazid causes you to feel very tired or very weak; or causes clumsiness; unsteadiness; a loss of appetite; nausea; numbness, tingling, burning, or pain in the hands and feet; or vomiting, check with your doctor immediately. Isoniazid may cause false test results with some urine sugar tests.

Is milk good for TB patient?

A person with TB should also be encouraged to eat pulses in other forms e.g. roasted chana. Oils & fats are a source of energy. For vegetarians, a combination of cereals & pulses can give a quantity of protein equivalent to that of animal proteins. The daily consumption of milk and milk products is also beneficial.

Why is b6 given with isoniazid?

Abstract. Vitamin B6 (pyridoxine) supplementation during isoniazid (INH) therapy is necessary in some patients to prevent the development of peripheral neuropathy. The routine use of pyridoxine supplementation to prevent peripheral neuropathy in high risk populations is recommended.

What happens if I stop taking isoniazid?

Treatment for inactive TB infection
Inactive TB is often treated with a medicine called isoniazid (INH). If you stop taking your TB medicine or skip doses, these things could happen: Your TB infection could come back. Your TB infection could turn into active TB disease.

Does isoniazid cause joint pain?

This medicine can cause severe liver symptoms, especially in people who are 35 and older. severe liver disease; an attack of gout; or. a history of fever, chills, and joint pain or stiffness caused by isoniazid.

Does isoniazid make you gain weight?

Headache, poor concentration, weight gain, poor memory, insomnia, and depression have all been associated with isoniazid use. Isoniazid is also associated with increased excretion of pyridoxine.

Does isoniazid cause acne?

Other medication
A variety of other medications can cause acne. Antituberculous drugs (ethionamide, isoniazid, rifampicin) Antidepressants (lithium, amoxapine) Ciclosporin.