Dosage of Phenoxymethylpenicillin This is a Prescription-Only Medicine (POM). Take as directed by the pharmacist or physician. Typical adult doses are 250mg to 500mg every six hours, though this varies based on the severity of the infection.

Proper Administration

• Timing: For maximum absorption, it should be taken on an empty stomach—ideally one hour before a meal or two hours after eating.
• Consistency: Space your doses evenly throughout the day to keep a constant level of the medicine in your blood.
• Completion: It is vital to finish the entire prescribed course, even if you feel better after a few days. Stopping early can lead to the return of the infection and contribute to antibiotic resistance.
• Missed Dose: Take it as soon as you remember. If it is almost time for your next dose, skip the missed one. Do not double the dose.

How to Store and Dispose of Phenoxymethylpenicillin

• Tablets: Store at room temperature away from moisture.
• Liquid (Suspension): If you have the liquid form, it must usually be stored in the refrigerator (2°C–8°C). Do not freeze.
• Disposal: Any leftover liquid medication should be discarded 7 to 14 days after it was dispensed (check the label). Return unused tablets to a pharmacy.

Quick Tips for Phenoxymethylpenicillin

• Empty Stomach: Set an alarm to remind you to take it before meals for the best results.
• Avoid Probiotics Initially: Wait at least 2 hours after your dose before taking probiotic supplements or yogurt.
• Stay Hydrated: Drink plenty of water throughout your treatment.
• Monitor for Rash: If a mild itchy rash develops, contact your pharmacist; if breathing becomes difficult, seek emergency care.

Safety and Precautions

Contraindications of Phenoxymethylpenicillin

• Penicillin Allergy: Do NOT take this if you have a known allergy to penicillin or cephalosporins. An allergic reaction can be life-threatening (anaphylaxis).
• Hypersensitivity: Avoid if you have reacted severely to any beta-lactam antibiotic in the past.

Side Effects of Phenoxymethylpenicillin

• Common Side Effects: Nausea, vomiting, stomach pain, or mild diarrhea.
• Serious but Rare Side Effects: Severe skin rash, persistent diarrhea (which may indicate C. difficile infection), or swelling of the face and tongue.
• Action: If you experience "watery" or bloody diarrhea, stop taking the medicine and call your doctor immediately.

Precautions and Warnings

• Allergy History: Always inform your doctor if you have asthma or severe hay fever, as you may be more prone to allergic reactions.
• Kidney Function: Dose adjustments may be necessary for patients with impaired kidney function.

Contraception: This antibiotic may theoretically reduce the effectiveness of oral contraceptives; consider using additional barrier methods during treatment.

• Pack Size: Varies by prescription (commonly 28 tablets).
• Form: Oral Tablet / Oral Solution (Suspension).
• Strength: Typically 250mg or 500mg.