Tenvir
Tenvir is an antiviral medication containing Tenofovir Disoproxil Fumarate. It belongs to a class of drugs known as Nucleoside Reverse Transcriptase Inhibitors (NRTIs) and is used to manage HIV-1 and chronic Hepatitis B infections by preventing viral replication.
Dosage by Body Weight
The standard adult dosage is 300 mg taken orally once daily, with or without food. Pediatric dosage must be carefully calculated by a healthcare professional based on body weight and age.
- Body Weight
- Below 5 kg
- Dose
- Not recommended
- Frequency
- N/A
- Tracking Notes
- Safety and effectiveness have not been established in infants in this weight range.
- Body Weight
- 5-7 kg
- Dose
- Not recommended
- Frequency
- N/A
- Tracking Notes
- Safety and effectiveness have not been established in patients in this weight range.
- Body Weight
- 8-10 kg
- Dose
- Not routine
- Frequency
- Once daily if prescribed
- Tracking Notes
- Only under strict specialist supervision using pediatric oral powder formulations if approved.
- Body Weight
- 11-15 kg
- Dose
- 8 mg/kg (using oral powder) or low-strength tablet as prescribed
- Frequency
- Once daily
- Tracking Notes
- Requires specialized pediatric formulations. Standard 300 mg adult tablets must not be used.
- Body Weight
- 16-20 kg
- Dose
- 150 mg
- Frequency
- Once daily
- Tracking Notes
- Approved for pediatric patients weighing 17 kg to less than 22 kg using pediatric-strength tablets.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Below 5 kg | Not recommended | N/A | Safety and effectiveness have not been established in infants in this weight range. |
| 5-7 kg | Not recommended | N/A | Safety and effectiveness have not been established in patients in this weight range. |
| 8-10 kg | Not routine | Once daily if prescribed | Only under strict specialist supervision using pediatric oral powder formulations if approved. |
| 11-15 kg | 8 mg/kg (using oral powder) or low-strength tablet as prescribed | Once daily | Requires specialized pediatric formulations. Standard 300 mg adult tablets must not be used. |
| 16-20 kg | 150 mg | Once daily | Approved for pediatric patients weighing 17 kg to less than 22 kg using pediatric-strength tablets. |
Formulation
Purpose
Treatment of HIV-1 infection in combination with other antiretroviral agents, and the treatment of chronic Hepatitis B Virus (HBV) infection.
Generic Name
Tenofovir disoproxil fumarateScheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.