Penicillin V (Phenoxymethylpenicillin)
The oral form of penicillin. It remains a first-line choice for Group A Streptococcal infections because of its narrow spectrum and efficacy.
Dosage by Body Weight
Standard dose for Strep throat: 250 mg 2-3 times daily for 10 days for smaller children.
- Body Weight
- Below 20 kg
- Dose
- 125 mg to 250 mg
- Frequency
- Two to three times daily
- Tracking Notes
- Finish the full 10-day course to prevent rheumatic fever.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Below 20 kg | 125 mg to 250 mg | Two to three times daily | Finish the full 10-day course to prevent rheumatic fever. |
Formulation
Purpose
Treatment of Strep throat (pharyngitis) and prophylaxis for rheumatic fever.
Generic Name
Penicillin V PotassiumBranded Drug Names
Penicillin V (Phenoxymethylpenicillin) 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.
Alternatives
Safety Advice
Alcohol
CAUTIONPenicillin V (Phenoxymethylpenicillin): Alcohol may worsen infection-related dehydration, dizziness, or stomach upset. Avoid or limit alcohol during antibiotic treatment.
Pregnancy
SAFE IF PRESCRIBEDPenicillin V (Phenoxymethylpenicillin): Use during pregnancy only when prescribed for a bacterial infection; the prescriber will choose the safest suitable antibiotic.
Breast Feeding
SAFE IF PRESCRIBEDPenicillin V (Phenoxymethylpenicillin): Many antibiotics are compatible with breastfeeding when prescribed, but monitor the infant for diarrhea, rash, or thrush.
Driving
SAFEPenicillin V (Phenoxymethylpenicillin): Usually does not affect driving, but dizziness, weakness, or illness symptoms can occur. Avoid driving if affected.
Liver
CAUTIONPenicillin V (Phenoxymethylpenicillin): Use caution in liver disease or if jaundice, dark urine, or severe fatigue occurs during treatment.
Kidney
CAUTIONPenicillin V (Phenoxymethylpenicillin): Some antibiotics require dose adjustment or monitoring in kidney disease. Use exactly as prescribed.