How does phenoxymethylpenicillin work?
Phenoxymethylpenicillin kills bacteria by weakening their cell walls, preventing them from growing and reproducing. This helps your immune system clear the infection more effectively.
What is phenoxymethylpenicillin used to treat?
This antibiotic is commonly used for:
- Throat infections (including tonsillitis and strep throat)
- Scarlet fever
- Skin infections (such as cellulitis)
- Dental infections
- Rheumatic fever prevention (in people at risk)
Who can take phenoxymethylpenicillin?
Most adults and children can take phenoxymethylpenicillin, but it should only be used for bacterial infections, not viral illnesses like the common cold.
Who might not be able to take phenoxymethylpenicillin?
Phenoxymethylpenicillin may not be suitable if you:
- Are allergic to penicillin or other beta-lactam antibiotics
- Have had a severe allergic reaction to antibiotics in the past
- Have kidney disease (your dose may need adjusting)
- Have asthma or other allergies (speak to your doctor)
Can I take phenoxymethylpenicillin if I’m pregnant or breastfeeding?
Phenoxymethylpenicillin is safe to use during pregnancy and while breastfeeding, but always check with your doctor before starting any medication.
What if I miss a dose?
If you forget to take a dose, take it as soon as you remember. If it’s nearly time for your next dose, skip the missed one – do not take two doses at once.
How effective is phenoxymethylpenicillin?
Phenoxymethylpenicillin is highly effective at treating bacterial infections when taken correctly. Most people start feeling better within a few days, but it’s important to finish the full course to prevent antibiotic resistance.
What should I do if I take too much?
Taking too much phenoxymethylpenicillin may cause nausea, vomiting, or diarrhoea. If you think you’ve taken too much, seek medical advice immediately.
What dose of phenoxymethylpenicillin is usually taken?
The usual dose depends on age and infection type:
- Adults & children over 12: 250mg to 500mg four times daily
- Children (1-11 years): Dose based on weight
Your doctor will advise on the right dose for your condition.
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What are the side effects of phenoxymethylpenicillin?
Most people tolerate phenoxymethylpenicillin well, but possible side effects include:
- Nausea
- Diarrhoea
- Skin rash
- Mild stomach pain
Serious allergic reactions (such as difficulty breathing or swelling of the face) are rare but require urgent medical attention.
How should I take phenoxymethylpenicillin?
Phenoxymethylpenicillin is taken as tablets or liquid, usually four times a day. It should be taken on an empty stomach, at least 30 minutes before or 2 hours after eating.
When should phenoxymethylpenicillin be taken?
Take phenoxymethylpenicillin at evenly spaced intervals throughout the day to keep a consistent level in your system.
What are the brand names for phenoxymethylpenicillin?
Phenoxymethylpenicillin is available as a generic medicine, but it may also be sold under different brand names.
Final thoughts
Phenoxymethylpenicillin is a widely used antibiotic for treating bacterial infections. To get the best results, take it exactly as prescribed and complete the full course. If you have any concerns, speak to your doctor or pharmacist.
