Pen Vee K
Pen-Vee K (penicillin V potassium) is a penicillin-class antibiotic. It works by binding to specific penicillin-binding proteins inside the bacterial cell wall, inhibiting cell wall synthesis and leading to bacterial cell death.
Dosage by Body Weight
Dosage must be individualized according to the severity of the infection and patient response. It is best taken on an empty stomach, either 1 hour before or 2 hours after meals, to maximize absorption. Always complete the entire prescribed course.
- Body Weight
- Below 5 kg
- Dose
- Not routine / determined by doctor
- Frequency
- Use only if prescribed
- Tracking Notes
- Safety and effectiveness in infants under 1 month or weighing less than 5 kg have not been routinely established. Consult a pediatrician.
- Body Weight
- 5-7 kg
- Dose
- 37.5 mg to 75 mg (approx. 1.5 mL to 3 mL of 125mg/5mL suspension)
- Frequency
- Every 6 to 8 hours
- Tracking Notes
- Based on standard pediatric guideline of 25 to 50 mg/kg/day divided into 3 to 4 doses. Use a precise dosing syringe.
- Body Weight
- 8-10 kg
- Dose
- 56 mg to 112 mg (approx. 2.25 mL to 4.5 mL of 125mg/5mL suspension)
- Frequency
- Every 6 to 8 hours
- Tracking Notes
- Dosage may be adjusted upward by a doctor for more severe bacterial infections.
- Body Weight
- 11-15 kg
- Dose
- 81 mg to 162 mg (approx. 3.25 mL to 6.5 mL of 125mg/5mL suspension)
- Frequency
- Every 6 to 8 hours
- Tracking Notes
- Shake liquid suspension well before administering. Keep liquid refrigerated.
- Body Weight
- 16-20 kg
- Dose
- 112.5 mg to 225 mg (approx. 4.5 mL to 9 mL of 125mg/5mL suspension)
- Frequency
- Every 6 to 8 hours
- Tracking Notes
- Children who are able to swallow solid oral dosage forms reliably may transition to tablets under a doctor's direction.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Below 5 kg | Not routine / determined by doctor | Use only if prescribed | Safety and effectiveness in infants under 1 month or weighing less than 5 kg have not been routinely established. Consult a pediatrician. |
| 5-7 kg | 37.5 mg to 75 mg (approx. 1.5 mL to 3 mL of 125mg/5mL suspension) | Every 6 to 8 hours | Based on standard pediatric guideline of 25 to 50 mg/kg/day divided into 3 to 4 doses. Use a precise dosing syringe. |
| 8-10 kg | 56 mg to 112 mg (approx. 2.25 mL to 4.5 mL of 125mg/5mL suspension) | Every 6 to 8 hours | Dosage may be adjusted upward by a doctor for more severe bacterial infections. |
| 11-15 kg | 81 mg to 162 mg (approx. 3.25 mL to 6.5 mL of 125mg/5mL suspension) | Every 6 to 8 hours | Shake liquid suspension well before administering. Keep liquid refrigerated. |
| 16-20 kg | 112.5 mg to 225 mg (approx. 4.5 mL to 9 mL of 125mg/5mL suspension) | Every 6 to 8 hours | Children who are able to swallow solid oral dosage forms reliably may transition to tablets under a doctor's direction. |
Formulation
Purpose
Treatment of mild to moderately severe infections caused by penicillin-susceptible organisms, including streptococcal infections (such as strep throat and scarlet fever), pneumococcal infections, staphylococcal infections, and Vincent's gingivitis.
Generic Name
Penicillin V PotassiumScheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.