Generated automatically from the NAFDAC register, WHO alerts and community data as of today. Not medical advice — always follow your doctor or pharmacist.
From the official U.S. FDA label for phenoxymethylpenicillin (phenoxymethylpenicillin potassium), the active ingredient registered with NAFDAC.
To reduce the development of drug-resistant bacteria and maintain the effectiveness of penicillin V potassium and other antibacterial drugs, penicillin V potassium should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy. …
Although the incidence of reactions to oral penicillins has been reported with much less frequency than following parenteral therapy, it should be remembered that all degrees of hypersensitivity, including fatal anaphylaxis, have been reported with oral penicillin. The most common reactions to oral penicillin are nausea, vomiting, epigastric distress, diarrhea, and black hairy tongue. The hypersensitivity reactions reported are skin eruptions (maculopapular to exfoliative dermatitis), urticaria and other serum-sickness like reactions, laryngeal edema, and anaphylaxis. Fever and eosinophilia may frequently be the only reaction observed. …
A previous hypersensitivity reaction to any penicillin is a contraindication.
SERIOUS AND OCCASIONALLY FATAL HYPERSENSITIVITY (anaphylactic) REACTIONS HAVE BEEN REPORTED IN PATIENTS ON PENICILLIN THERAPY. THESE REACTIONS ARE MORE LIKELY TO OCCUR IN INDIVIDUALS WITH A HISTORY OF PENICILLIN HYPERSENSITIVITY AND/OR A HISTORY OF SENSITIVITY TO MULTIPLE ALLERGENS. THERE HAVE BEEN REPORTS OF INDIVIDUALS WITH A HISTORY OF PENICILLIN HYPERSENSITIVITY WHO HAVE EXPERIENCED SEVERE REACTIONS WHEN TREATED WITH CEPHALOSPORINS. BEFORE INITIATING THERAPY WITH PENICILLIN V POTASSIUM TABLETS, CAREFUL INQUIRY SHOULD BE MADE CONCERNING PREVIOUS HYPERSENSITIVITY REACTIONS TO PENICILLINS, CEPHALOSPORINS, OR OTHER ALLERGENS. …
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Phenopen-V 250 mg Tablet contains Phenoxymethylpenicillin (Phenoxymethylpenicillin Potassium) (250 mg), as tablet, according to its NAFDAC registration record.
Yes. Phenopen-V 250 mg Tablet is listed on the NAFDAC register under registration number A11-0448, and its registration is active as of 5 November 2026.
No WHO falsified or substandard medical product alert currently matches Phenopen-V 250 mg Tablet in our automatically synced alert list.
Run a free authenticity scan with the NAFDAC number A11-0448, your pack's expiry date and batch number to get a Trust Score, compare the pack with the NAFDAC record (ingredient, strength, form, manufacturer), and buy only from licensed pharmacies.
To reduce the development of drug-resistant bacteria and maintain the effectiveness of penicillin V potassium and other antibacterial drugs, penicillin V potassium should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifyin (Summarised from the official U.S. FDA label for phenoxymethylpenicillin (phenoxymethylpenicillin potassium). Always follow your doctor or pharmacist.)
Reviews are personal experiences from RxVerify users, not medical advice. Report side effects to your doctor and to NAFDAC.