Principen
Principen is a brand name for ampicillin, a beta-lactam antibiotic belonging to the penicillin family. It works by interfering with the synthesis of bacterial cell walls, leading to cell death. It is effective against both Gram-positive and some Gram-negative bacteria.
Dosage by Body Weight
Dosage is highly dependent on the severity of the infection, site of infection, and the patient's renal function. For oral administration, it is best taken on an empty stomach (1 hour before or 2 hours after meals) with a full glass of water. Complete the entire prescribed course.
- Body Weight
- Below 5 kg
- Dose
- 25 mg to 125 mg per dose
- Frequency
- Every 6 to 12 hours
- Tracking Notes
- Dose depends on gestational and postnatal age in neonates. Consult a pediatrician.
- Body Weight
- 5-7 kg
- Dose
- 62.5 mg to 125 mg per dose
- Frequency
- Every 6 hours
- Tracking Notes
- Based on standard pediatric dosing of 50-100 mg/kg/day divided into 4 doses.
- Body Weight
- 8-10 kg
- Dose
- 100 mg to 250 mg per dose
- Frequency
- Every 6 hours
- Tracking Notes
- Higher doses may be required for severe infections as determined by a physician.
- Body Weight
- 11-15 kg
- Dose
- 137.5 mg to 375 mg per dose
- Frequency
- Every 6 hours
- Tracking Notes
- Always use a calibrated measuring device for oral suspension.
- Body Weight
- 16-20 kg
- Dose
- 200 mg to 500 mg per dose
- Frequency
- Every 6 hours
- Tracking Notes
- Maximum dose should not exceed the adult recommended dosage.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Below 5 kg | 25 mg to 125 mg per dose | Every 6 to 12 hours | Dose depends on gestational and postnatal age in neonates. Consult a pediatrician. |
| 5-7 kg | 62.5 mg to 125 mg per dose | Every 6 hours | Based on standard pediatric dosing of 50-100 mg/kg/day divided into 4 doses. |
| 8-10 kg | 100 mg to 250 mg per dose | Every 6 hours | Higher doses may be required for severe infections as determined by a physician. |
| 11-15 kg | 137.5 mg to 375 mg per dose | Every 6 hours | Always use a calibrated measuring device for oral suspension. |
| 16-20 kg | 200 mg to 500 mg per dose | Every 6 hours | Maximum dose should not exceed the adult recommended dosage. |
Formulation
Purpose
Used to treat a wide variety of bacterial infections, including respiratory tract infections, urinary tract infections, meningitis, salmonellosis, and otitis media.
Generic Name
AmpicillinScheduled Drug
No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.