GuidelinesIMCI
Isoniazid (INH) (Age 2 months up to 5 years)
IMCI - Child (Age 2 months up to 5 years)
Preventative Therapy in Case of Drug-Resistant TB Contact
Give INH for TB Exposure
Give once daily
- Follow the general instructions for all oral medicines to be given at home
- Tablets can be crushed and dissolved in water if necessary
- Treatment must be given for 6 months
- Follow-up children each month to check adherence and progress, and to provide medication
Isoniazid (INH) Dosing
| Weight | Isoniazid (INH) 100 mg tablet Once daily |
| 2 - < 3.5 kg | 1/4 tab |
| 3.5 - < 5 kg | 1/2 tab |
| 5 - < 7.5 kg | 3/4 tab |
| 7.5 - < 10 kg | 1 tab |
| 10 - < 15 kg | 1½ tabs |
| 15 - < 20 kg | 2 tabs |
| 20 - 25 kg | 2½ tabs |
| ≥ 25 kg | 3 tabs |
Preventative Therapy in Case of Drug-Resistant TB Contact
Isoniazid mono-resistant contact:
Rifampicin, oral, 15 mg/kg for 4 months
Rifampicin mono-resistant contact:
Isoniazid, oral, 10 mg/kg daily for 6 months (see table above)
Click here to open the above content in the original PDF view
Integrated Management of Childhood Illness 2022; Child (Age 2 months up to 5 years); Oral Medicines; INH
Last checked for updates: June 2023