Phenoxymethylpenicillin

What is Phenoxymethylpenicillin?

  • Phenoxymethylpenicillin is an antibiotic medication used to treat various bacterial infections, assisting your body in combating harmful bacteria causing illnesses.

  • It's commonly prescribed for throat, skin, and respiratory tract infections.

  • Phenoxymethylpenicillin belongs to the penicillin antibiotic class.

How Does it Work and Why is it Important to Take?

  • Phenoxymethylpenicillin works by attacking and halting the growth of bacteria, preventing them from multiplying. This allows your immune system to effectively eliminate the infection.

  • Taking Phenoxymethylpenicillin as directed is crucial for effective treatment, helping alleviate symptoms and speeding up recovery.

The Dose of The Medication

  • The usual adult dose of Phenoxymethylpenicillin for treating infections is 500mg four times a day. For preventing infections, it's 500mg twice a day.

  • The duration of treatment depends on the type and severity of the infection.

How and When to Take It

  • Take Phenoxymethylpenicillin on an empty stomach, preferably an hour before or two hours after meals.

  • Space the doses evenly throughout the day. For four times a day dosing, take it in the morning, before lunch, before dinner, and at bedtime. For twice a day dosing, take it 12 hours apart, such as 7am and 7pm.

  • Complete the prescribed course even if you feel better.

What to Expect

  • You'll typically feel better within a few days for most infections.

What to Do if You Miss a Dose

  • If you miss a dose, take it as soon as you remember.

  • However, if it's close to your next scheduled dose, skip the missed one—never double up.

Possible Side Effects

  • Nausea and vomiting

  • Diarrhoea

  • Stomach pain

Management of Side Effects

  • Click here for common side effects and how to manage them.

  • If severe, persistent or bothersome side effects occur, consult your GP, local pharmacy, or NHS 111.

Common Interactions

  • Inform your clinician about all medications, including over-the-counter and herbal supplements.

Special Warnings

  • Do not take Phenoxymethylpenicillin if you have a penicillin allergy.

  • Seek medical attention if you develop a rash or unexpected symptoms, as they may indicate allergies. Please read more about allergies by clicking here.

Monitoring Your Progress

  • No regular monitoring is required

  • If you don't notice improvement within three days of starting Phenoxymethylpenicillin or if your condition worsens, contact your GP clinician or NHS 111.

Where to Find More Information and Who to Contact

  • Refer to the patient information leaflet and the NHS website for more details.

  • If you have questions or experience unusual symptoms, contact your GP clinician, local pharmacy, or NHS 111.