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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Are The Side Effects Of Isoniazid?

Ive been exposed to TB I took a chest xray and don t have it. Ive been prescribed isoniazid 300 mg to take for 9 months how come the doctor that told me that I was exposed didn t tell me to take this I went to a clinic this a.m. and the clinic prescribed me this I m also afraid of the side effects. my email is YYYY@YYYY thank you.
Tue, 27 Dec 2016
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Internal Medicine Specialist 's  Response
Hi,
As you have been exposed to TB, your doctor considered the possibility of latent infection, and hence put you on TB drug. Normal chest X Ray does not rule out TB. The only point here is " Do you make a case of latent TB ". If yes, then your doc is correct, and you have to use isoniazid 300 for 9 months.
The side effects are nausea, vomitings, jaundice, pains, rash, abdominal pain etc. Hope this helps.
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What Are The Side Effects Of Isoniazid?

Hi, As you have been exposed to TB, your doctor considered the possibility of latent infection, and hence put you on TB drug. Normal chest X Ray does not rule out TB. The only point here is Do you make a case of latent TB . If yes, then your doc is correct, and you have to use isoniazid 300 for 9 months. The side effects are nausea, vomitings, jaundice, pains, rash, abdominal pain etc. Hope this helps.