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Terms Of Use

PENICILLIN (PHENOXYMETHYLPENICILLIN)

Brand Name(s) : None
Warnings
Uses
Side Effects
Precautions
Interactions
Overdose

PENICILLIN (PHENOXYMETHYLPENICILLIN) WARNINGS

Phenoxymethylpenicillin should be used with caution in: people with previous allergies or asthma, patients with an allergy to cephalosporin antibiotics such as cefaclor, cefalexin or cefuroxime, those with any blood problems, patients with inflammation of the colon (colitis) or other bowel conditions.

It should not be used in: patients with an allergy to phenoxymethylpenicillin or any other type of penicillin antibiotic such as amoxicillin or ampicillin.

Also see list of precautions and interactions

STORAGE

Store phenoxymethylpenicillin oral liquid in a refrigerator.
Phenoxymethylpenicillin tablets should be kept in a cool, dry place.

PENICILLIN (PHENOXYMETHYLPENICILLIN) USES

Phenoxymethylpenicillin is used to treat or prevent certain bacterial infections.

It is a penicillin antibiotic, sometimes known as penicillin V.

It is used to inhibit or stop the growth of certain bacteria.

In general this drug is used to treat infections of the ear, nose, throat and skin and to prevent certain infections.

Benefits of being on this drug can include prevention of infection or elimination of infection and the symptoms associated with the infection.

Listed below are the typical uses of phenoxymethylpenicillin

On occasion your doctor may prescribe this medicine to treat a condition not on the above list. Such conditions are listed below.

  • Prevention of recurrence of rheumatic fever
  • Prevention of bacterial endocarditis (inflammation of the inner lining of the heart) before surgery
  • Prevention of pneumococcal infection in patients who have had their spleen removed (splenectomy) or in those with the blood disorder sickle cell disease

HOW TO USE/TAKE

How often do I take it?

  • Phenoxymethylpenicillin is available as tablets or an oral liquid. Take this medication by mouth usually four times a day, on an empty stomach an hour before food or two hours after. Your doctor may prescribe phenoxymethylpenicillin to be taken less frequently for some conditions. The tablets should be swallowed whole with plenty of water
  • Use this medication for the duration of prescription in order to get the most benefit from it.
  • Remember to use it at the same time each day - unless specifically told otherwise by your doctor.
  • It may take the whole duration of the prescription before the full benefit of this drug takes effect. Do not stop treatment early because some bacteria may survive and cause the infection to come back.
  • Certain medical conditions may require different dosage instructions as directed by your doctor.

What dose?

  • Dosage is based on your age, gender, medical condition, response to therapy, and use of certain interacting medicines.

Do I need to avoid anything?

  • Phenoxymethylpenicillin is not know to interfere with your ability to drive or operate machinery. Consult your doctor or pharmacist for more details.

When can I stop?

  • Always complete the full course as prescribed by your doctor.

PENICILLIN (PHENOXYMETHYLPENICILLIN) SIDE EFFECTS

  • Feeling sick (nausea)
  • Diarrhoea
  • Vomiting
  • Uncomfortable stomach
  • Wind (flatulence)
  • Skin rash
  • Sore mouth
  • Black hairy tongue
  • Sore throat
  • Numbness
  • Fever
  • Anaemia
  • Kidney problems
  • Jaundice (yellowing of skin or whites of the eyes)
  • Blood and clotting disorders
If any of these persist or you consider them severe then inform your doctor or pharmacist. Further information on other side effects can be found in the patient information leaflet.

Tell your doctor immediately if you develop any of the following symptoms:

  • Rashes, fever, joint pain, difficulty breathing or swollen mouth or eyes which may be a sign of an allergic reaction
  • Fainting or convulsions (fits)
  • Severe peeling or blistering of the skin
  • Yellowing of the skin or eyes (jaundice)
  • Severe diarrhoea with stomach cramps or bloody stools

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

The Yellow Card Scheme allows you to report suspected side effects from any type of medicine (which includes vaccines, herbals and over the counter medicines) that you are taking. It is run by the medicines safety watchdog called the Medicines and Healthcare products Regulatory agency (MHRA). Please report any suspected side effect on the Yellow Card Scheme website.

PENICILLIN (PHENOXYMETHYLPENICILLIN) PRECAUTIONS

Before taking phenoxymethylpenicillin, tell your doctor or pharmacist if you are allergic to it; or to other penicillin or cephalosporin antibiotics; or if you have any other allergies.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: an allergy to phenoxymethylpenicillin or any other type of penicillin antibiotic such as amoxicillin or ampicillin, or an allergy to cephalosporin antibiotics such as cefaclor, cefalexin or cefuroxime.

Before using this medication, tell your doctor or pharmacist your medical history, especially any of the following: you are pregnant, trying to become pregnant or breastfeeding, kidney problems, blood problems, inflammation of the colon (colitis) or other bowel conditions.

Before having surgery, tell your doctor or dentist that you are taking this medication.

Does alcohol intake affect this drug?

  • Alcohol intake is not known to affect phenoxymethylpenicillin.

The elderly: phenoxymethylpenicillin can be used in the elderly.

Pregnancy and breastfeeding - please ensure you read the detailed information below

PREGNANCY

Phenoxymethylpenicillin is suitable to take during pregnancy. Always ask your doctor before taking this medicine during pregnancy. Ask your doctor or pharmacist if you have any doubts or questions about this.

It is sensible to limit use of medication during pregnancy whenever possible. However, your doctor may decide that the benefits outweigh the risks in individual circumstances and after a careful assessment of your specific health situation.

If you have any doubts or concerns you are advised to discuss the medicine with your doctor or pharmacist.

BREAST FEEDING

Phenoxymethylpenicillin is excreted into breast milk in very small amounts. Ask your doctor or pharmacist if you have any doubts or questions about this.

It is sensible to limit use of medication during breastfeeding whenever possible. However, your doctor may decide that the benefits outweigh the risks in individual circumstances and after a careful assessment of your specific health situation.

If you have any doubts or concerns you are advised to discuss the medicine with your doctor or pharmacist.

PENICILLIN (PHENOXYMETHYLPENICILLIN) INTERACTIONS

Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.

This drug should not be used with the following medications because very serious, possibly fatal interactions may occur:

  • None known.

If you are currently using any of these medications, tell your doctor or pharmacist before starting phenoxymethylpenicillin.

Before using this medication, tell your doctor or pharmacist of all prescription and non-prescription/herbal products you may use, especially of:

This information does not contain all possible interactions. Therefore, before using phenoxymethylpenicillin, tell your doctor or pharmacist of all the products you use.

PENICILLIN (PHENOXYMETHYLPENICILLIN) OVERDOSE

If you think you, or someone you care for, might have accidentally taken more than the recommended dose of phenoxymethylpenicillin or intentional overdose is suspected, contact your local hospital, GP or if in England call 111. In Scotland call NHS 24. In Wales, call NHS Direct Wales. In the case of medical emergencies, always dial 999.

MISSED DOSE

If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

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Source: Selected from data included with permission and copyrighted by Boots UK Limited or TicTac Communications Ltd. This copyrighted material is sourced from a licensed data provider and is not for distribution, except as may be authorised by the applicable terms of use.
CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse events, nor should it be construed to indicate that use of a particular medicine is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any medicine, changing any diet, or discontinuing any course of treatment.

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