https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=f0b46d1d-2300-457d-a7bd-a88a3f8d2235
dailymedisoniazidtablet
https://www.petpoisonhelpline.com/poison/isoniazid/
Mar 3, 2020 - Isoniazid is an antimycobacterial used for the treatment of tuberculosis. Signs include vomiting, abnormal heart rate, tremors, seizures, coma, & death.
isoniazidtoxicdogspetpoison