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Medications
Isoniazid

Isoniazid

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The first rx given to PTB patients.

Dr. Nela Cordero reviewed this

56 year experience in Pediatrics

Brands

Rifafour • Rifinah • Rimactazid

Side Effects

Common

Abdominal pain
Nausea
Vomiting
Stomach pain
Paresthesia
Numbness or tingling

Serious

Hypersensitivity

Treats

TB (tuberculosis)
4.8
4 reviews
Latent tuberculosis
4.1
7 reviews
Opportunistic infections in AIDS
2.8
4 reviews

Related questions

A 34-year old asked:

What is isoniazid used for?

2 doctor answers • 3 doctors weighed in

A 22-year old asked:

What are the effects of inh(isoniazid) on my body if taken for 9 months?

1 doctor answer • 2 doctors weighed in

A 29-year old asked:

Do I still have tuberculosus if I took isoniazid for a year?

1 doctor answer • 2 doctors weighed in

A 45-year old asked:

What do you advise if I'm taking rifampicin& isoniazid tablet?

1 doctor answer • 2 doctors weighed in

A 30-year old asked:

How significant is the risk of drinking when taking isoniazid?

1 doctor answer • 3 doctors weighed in

A 31-year old asked:

If you had sex and you are taking isoniazid is there any concern?

1 doctor answer • 1 doctor weighed in

A 33-year old asked:

What if you had sex and you are takin isoniazid, what would it do to you?

1 doctor answer • 1 doctor weighed in

A 41-year old asked:

Should i be worried i missed 2 doses of isoniazid for tb?

1 doctor answer • 1 doctor weighed in

A 45-year old asked:

Why can't you drink alcoholic bevareges when you are taking isoniazid?

1 doctor answer • 2 doctors weighed in

A 29-year old female asked:

What reactions can Overuse (very long duration) use of INH (isoniazid) cause in the body? Does it do the opposite like cause fungal overgrowth?

2 doctor answers • 2 doctors weighed in

A 41-year old asked:

Help! really worried? I missed 2 doses of isoniazid for tb?

1 doctor answer • 2 doctors weighed in

A 27-year old female asked:

Dc. Prescribed my 15 and 9 mnth old 1tsp of isozide (isoniazid syrup isp) for 3 months since someone in family was diagnosed with tb. Any sideeffects?

1 doctor answer • 1 doctor weighed in

A 31-year old asked:

If i'm taking isoniazid can I drink alcohol

1 doctor answer • 2 doctors weighed in

A 42-year old asked:

How will my prescription isoniazid affect consumption of alcohol?

1 doctor answer • 1 doctor weighed in

A 45-year old asked:

Is there a significant risk of drinking alcohol when taking isoniazid?

1 doctor answer • 3 doctors weighed in

A 42-year old male asked:

Can Rifampicin + Isoniazid give a side effect which is vertigo? Thank you.

1 doctor answer • 2 doctors weighed in

A 19-year old female asked:

Does Isoniazid lower the effectiveness of hormonal birth control?

3 doctor answers • 4 doctors weighed in

A 20-year old male asked:

I'm taking Isoniazid tablets 300 mg am i able to drink beer/liquor ?

2 doctor answers • 4 doctors weighed in

A 21-year old female asked:

Isoniazid is causing severe neuropathy in a patient, what would be its replacement?

1 doctor answer • 5 doctors weighed in

A 27-year old female asked:

How can I know if isoniazid worked after i've finished my 6-month treatment for latent tb?

1 doctor answer • 1 doctor weighed in

A 24-year old female asked:

I am taking isoniazid. Is it bad to take it at the same time with Flonase or other antihistamines?

1 doctor answer • 3 doctors weighed in

A 24-year old female asked:

If you have Latent TB(skin and blood test positive), and got treated for it with isoniazid for 9 months - can you still get active TB?

1 doctor answer • 1 doctor weighed in

A 20-year old male asked:

I tested positive for TB and clear chest xray but what will happen if i didn't take the med, isoniazid ?

1 doctor answer • 3 doctors weighed in

A 21-year old female asked:

Does rifampicin & isoniazid TB drugs cause infertility ? & can tuberculosis cervical lymphadenitis cause infertility?

1 doctor answer • 1 doctor weighed in

A 36-year old male asked:

I am 36/Male/Indian origin. In US for 10 yrs. Diagnosed with Latent TB. Visit Asia frequently. My Doctor advised 9 month isoniazid. Is it effective?

1 doctor answer • 3 doctors weighed in

A 31-year old male asked:

Can a person who has tested positive to hiv use fat burning pills while using ARVs and also given TB meds aswell, the person doesnt have TB but was given them to take, they currently on Kovatrax and Winthrop Isoniazid 100mg ?

1 doctor answer • 1 doctor weighed in

A 21-year old female asked:

Does TB drugs Rifampicin & isoniazid cause orange vaginal discharge?

1 doctor answer • 1 doctor weighed in

A 46-year old female asked:

03/04/2015 my liver panel was AST 74 , ALT 79 on 03/09/2015 liver panel is AST 111, ALT 116, I am on ISONIAZID SINCE JAN 28/ 2015,is going up??

1 doctor answer • 2 doctors weighed in

A 20-year old female asked:

Is it safe to take 200mg vitamin B6 with isoniazid 300mg daily? The B6 was cheaper otc. I was prescribed 50mg vitamin B6 from my doctor originally.

2 doctor answers • 5 doctors weighed in

A 18-year old female asked:

I have completed a 9mo. isoniazid treatment for latent TB, and just took a quantiferon gold blood test, which came back positive. Is this normal?

2 doctor answers • 3 doctors weighed in

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