Penicillin V Potassium
Penicillin V Potassium is an orally active penicillin antibiotic. It is highly effective against Gram-positive bacteria, working by inhibiting the synthesis of the bacterial cell wall, which eventually causes bacterial cell death.
Dosage by Body Weight
Take on an empty stomach, 1 hour before or 2 hours after meals, for maximum absorption. Pediatric doses should be measured using a proper dosing syringe or cup. Ensure the full course of treatment is completed.
- Body Weight
- Below 5 kg
- Dose
- Not routinely recommended
- Frequency
- Use only if prescribed by a physician
- Tracking Notes
- Safety and efficacy in infants under 1 month old are not fully established. Dose must be strictly individualized by a pediatrician.
- Body Weight
- 5-7 kg
- Dose
- 62.5 mg to 125 mg
- Frequency
- Every 6 to 8 hours (3 to 4 times a day)
- Tracking Notes
- Dose is typically calculated at 25-50 mg/kg/day. Usually administered as oral suspension.
- Body Weight
- 8-10 kg
- Dose
- 125 mg
- Frequency
- Every 6 to 8 hours (3 to 4 times a day)
- Tracking Notes
- Equivalent to 5 mL of a 125 mg/5 mL liquid suspension.
- Body Weight
- 11-15 kg
- Dose
- 125 mg to 250 mg
- Frequency
- Every 6 to 8 hours (3 to 4 times a day)
- Tracking Notes
- Higher end of the dose range is used for more severe infections.
- Body Weight
- 16-20 kg
- Dose
- 250 mg
- Frequency
- Every 6 to 8 hours (3 to 4 times a day)
- Tracking Notes
- Equivalent to 5 mL of a 250 mg/5 mL suspension or one 250 mg tablet if the child can swallow tablets safely.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Below 5 kg | Not routinely recommended | Use only if prescribed by a physician | Safety and efficacy in infants under 1 month old are not fully established. Dose must be strictly individualized by a pediatrician. |
| 5-7 kg | 62.5 mg to 125 mg | Every 6 to 8 hours (3 to 4 times a day) | Dose is typically calculated at 25-50 mg/kg/day. Usually administered as oral suspension. |
| 8-10 kg | 125 mg | Every 6 to 8 hours (3 to 4 times a day) | Equivalent to 5 mL of a 125 mg/5 mL liquid suspension. |
| 11-15 kg | 125 mg to 250 mg | Every 6 to 8 hours (3 to 4 times a day) | Higher end of the dose range is used for more severe infections. |
| 16-20 kg | 250 mg | Every 6 to 8 hours (3 to 4 times a day) | Equivalent to 5 mL of a 250 mg/5 mL suspension or one 250 mg tablet if the child can swallow tablets safely. |
Formulation
Purpose
Treatment of mild to moderate susceptible bacterial infections such as streptococcal pharyngitis (strep throat), tonsillitis, scarlet fever, skin and soft tissue infections, and for the prevention of recurrent rheumatic fever.
Generic Name
Penicillin V PotassiumBranded Drug Names
Penicillin V Potassium is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:
Scheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.