Phenoxymethylpenicillin On this page About phenoxymethylpenicillin Key facts Who can and can't take it How and when to take it Side effects How to cope with side effects Pregnancy and breastfeeding Cautions with other medicines Common questions. About phenoxymethylpenicillin Phenoxymethylpenicillin is a type of penicillin. Help us improve our website Can you answer a quick question about your visit today? You'll usually take phenoxymethylpenicillin 4 times a day to treat an infection.
In most cases you'll start to feel better in a few days. The most common side effects of phenoxymethylpenicillin are feeling sick and diarrhoea. Some people may have an allergic reaction to antibiotics , especially phenoxymethylpenicillin and other penicillins. You can drink alcohol while taking it. Phenoxymethylpenicillin is also known as penicillin V. To make sure this medicine is safe for you, tell your doctor if you have: had an allergic reaction to phenoxymethylpenicillin, or any other antibiotics or medicines, in the past kidney problems any allergies asthma.
How much will I take? For adults and children over 12 years, you'll usually take: mg 4 times a day - for treating infections mg twice a day - for preventing infections. Important Carry on taking this medicine until you have completed the course, even if you feel better.
If you stop your treatment early, the infection could come back. When to take it Try to space the doses evenly throughout the day. How to take it Swallow phenoxymethylpenicillin tablets whole.
Do not chew or break them. What if I forget to take it? What if I take too much? Common side effects These common side effects happen in 1 in 10 people. Keep taking the medicine, but tell your doctor or pharmacist if they bother you or don't go away: feeling sick nausea being sick vomiting or diarrhoea stomach pain Serious side effects Serious side effects are rare and happen in less than 1 in 1, people. Call a doctor straight away if you get: redness and peeling of the skin over large areas of your body stomach pain, fever and a lot of watery diarrhoea with blood and mucus in it Serious allergic reaction Around 1 in 10 people have an allergic reaction to phenoxymethylpenicillin.
In most cases, the allergic reaction is mild. Symptoms may include: a raised, itchy skin rash coughing wheezing Mild allergic reactions can usually be successfully treated by taking antihistamines. These aren't all the side effects of phenoxymethylpenicillin. For a full list, see the leaflet inside your medicines packet. Information: You can report any suspected side effect to the UK safety scheme.
What to do about: feeling sick nausea - stick to simple meals and do not eat rich or spicy food while you're taking this medicine. Take small, frequent sips if you're being sick. Signs of dehydration include peeing less than usual or having dark, strong-smelling pee.
Do not take any other medicines to treat diarrhoea and vomiting without speaking to a pharmacist or doctor. It can help to eat and drink slowly and have smaller and more frequent meals.
Putting a heat pad or covered hot water bottle on your stomach may also help. If you're in a lot of pain, speak to your pharmacist or doctor.
Important For safety, tell your doctor if you're trying to get pregnant, already pregnant, or breastfeeding. Tell your doctor if you're taking these medicines before you start taking phenoxymethylpenicillin: methotrexate a blood thinner called warfarin gout medicines called probenecid and sulphinpyrazone typhoid vaccine as capsules other antibiotics Mixing phenoxymethylpenicillin with herbal remedies and supplements There are no known problems with taking herbal remedies and supplements with phenoxymethylpenicillin.
Important For safety, tell your doctor or pharmacist if you're taking any other medicines, including herbal remedies, vitamins or supplements. How does phenoxymethylpenicillin work?
What if I'm allergic to penicillin? When will I feel better? For most infections, you should feel better within a few days. What if I don't get better? Also tell them if, at any time, you start to feel worse. How long will I take it for? It works by killing the germs that are causing the infection. Phenoxymethylpenicillin is prescribed to treat infections such as chest infections , tonsillitis , cellulitis , ear infections , and dental abscesses.
It is used in particular for respiratory infections in children. You may also be prescribed phenoxymethylpenicillin to protect against infection if for example you have had rheumatic fever, or if you have sickle-cell disease, or if you have had your spleen removed. Some medicines are not suitable for people with certain conditions, and sometimes a medicine can only be used if extra care is taken. For these reasons, before you or your child start taking phenoxymethylpenicillin it is important that your doctor or dentist knows:.
Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with phenoxymethylpenicillin. The best place to find a full list of the side-effects which can be associated with your medicine, is from the manufacturer's printed information leaflet supplied with the medicine.
Alternatively, you can find an example of a manufacturer's information leaflet in the reference section below. Speak with your doctor or pharmacist if any of the following continue or become troublesome.
Important : if you develop an itchy rash, swollen face or mouth, or have difficulty breathing, these could be signs that you are allergic to a penicillin antibiotic. Do not take any more phenoxymethylpenicillin, and speak with your doctor or go to your local accident and emergency department straightaway.
If you experience any other symptoms which you think may be due to the medicine, speak with your doctor or pharmacist for further advice. Never take more than the prescribed dose. If you suspect that you or someone else might have taken an overdose of this medicine, go to the accident and emergency department of your local hospital.
Take the container with you, even if it is empty. It's best to avoid drinking alcohol while feeling unwell anyway, as the alcohol itself can make you feel worse.
Both metronidazole and tinidazole can cause drowsiness. Check with your pharmacist whether your antibiotic could make you drowsy. You should not drive or operate machinery if you're taking an antibiotic that makes you drowsy. Check with your GP or pharmacist when you're given your prescription if you're unsure about whether or not you can drink alcohol while you're taking antibiotics.
You can also phone NHS for advice. Page last reviewed: 11 May Next review due: 11 May Home Common health questions Medicines Back to Medicines. Can I drink alcohol while taking antibiotics?
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