What antibiotic for penicillin allergies

Do not use this medication if you are allergic to penicillin V or to any other penicillin antibiotic, such as amoxicillin (Amoxil), ampicillin (Omnipen, Principen), carbenicillin (Geocillin), dicloxacillin (Dycill, Dynapen), or oxacillin (Bactocill).

Before using penicillin V, tell your doctor if you are allergic to cephalosporins such as Ceclor, Ceftin, Duricef, Keflex, and others, or if you own asthma, kidney disease, a bleeding or blood clotting disorder, a history of diarrhea caused by taking antibiotics, or a history of any type of allergy.

Penicillin V can make birth control pills less effective, which may result in pregnancy.

Before taking this medicine, tell your doctor if you use birth control pills. Take penicillin V for the entire length of time prescribed by your doctor. Your symptoms may get better before the infection is completely treated.

What antibiotic for penicillin allergies

Penicillin V will not treat a viral infection such as the common freezing or flu. Do not give this medication to another person, even if they own the same symptoms you do.

Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you own diarrhea that is watery or has blood in it, call your doctor. Do not use any medicine to stop the diarrhea unless your doctor has told you to.


What happens if I overdose?

Seek emergency medical attention if you ponder you own used too much of this medicine.

Overdose symptoms may include confusion, behavior changes, a severe skin rash, urinating less than usual, or seizure (black-out or convulsions).


What happens if I miss a dose?

Take the missed dose as soon as you remember.

If it is almost time for your next dose, skip the missed dose and take the medicine at your next regularly scheduled time. Do not take additional medicine to make up the missed dose.



The quantity of phenoxymethylpenicillin you need depends on your age and how bad the infection is, and whether you’re taking it to treat or prevent an infection.

How to take it

Swallow phenoxymethylpenicillin tablets whole. Do not chew or break them.

The medicine also comes as a liquid for people who discover it hard to swallow tablets.

If you or your kid are taking phenoxymethylpenicillin as a liquid, it’ll generally be made up for you by your pharmacist.

The medicine will come with a plastic syringe or spoon to assist you measure out the correct dose.

If you don’t own one, enquire your pharmacist for one. Do not use a kitchen teaspoon as it will not give the correct amount.

What if I forget to take it?

If you forget to take a dose, take it as soon as you remember, unless it’s almost time for your next dose.

In this case, just leave out the missed dose and take your next dose as normal.

Never take 2 doses at the same time.

What antibiotic for penicillin allergies

Never take an additional dose to make up for a forgotten one.

If you forget doses often, it may assist to set an alarm to remind you. You could also enquire your pharmacist for advice on other ways to remember your medicines.

How much will I take?

For adults and children over 12 years, you’ll generally take:

  1. 500mg 4 times a day — for treating infections
  2. 500mg twice a day — for preventing infections

When to take it

Try to space the doses evenly throughout the day.

If you take phenoxymethylpenicillin 4 times a day, this could be first thing in the morning, around midday, tardy afternoon and at bedtime.

If you’re taking it twice a day, leave 12 hours between each dose. This could be early morning and early evening, at 8am and 8pm.

It’s best not to take phenoxymethylpenicillin at mealtimes.

What antibiotic for penicillin allergies

Take it 30 minutes before a meal or at least 2 hours after you own eaten.

What if I take too much?

Accidentally taking an additional dose of phenoxymethylpenicillin is unlikely to harm you or your child.

Speak to your pharmacist or doctor if you’re worried, or if you take more than 1 additional dose.

Penicillin

Generic Name: penicillin V (pen i SILL in)
Brand Names:PC Pen VK, Pen-V

Medically reviewed by Sanjai Sinha, MD Final updated on Dec 22, 2018.


What is penicillin?

Penicillin V is an antibiotic in the penicillin group of drugs. It fights bacteria in your body.

Penicillin V is used to treat numerous diverse types of infections caused by bacteria, such as ear infections,.

Penicillin V may also be used for other purposes not listed in this medication guide.


How should I take penicillin?

Take penicillin V exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor.

Follow the directions on your prescription label.

You may take penicillin V with or without food.

To be certain penicillin V is helping your condition, your blood may need to be tested on a regular basis. Your kidney or liver function may also need to be tested. Do not miss any scheduled visits to your doctor.

Shake the oral suspension (liquid) well just before you measure a dose. To be certain you get the correct dose, measure the liquid with a marked measuring spoon or medicine cup, not with a regular table spoon.

If you do not own a dose-measuring device, enquire your pharmacist for one.

Take penicillin V for the entire length of time prescribed by your doctor.

What antibiotic for penicillin allergies

Your symptoms may get better before the infection is completely treated. Penicillin V will not treat a viral infection such as the common freezing or flu.

What antibiotic for penicillin allergies

Do not give this medicine to another person, even if they own the same symptoms you do.

Penicillin V can cause you to own unusual results with certain medical tests. Tell any doctor who treats you that you are using penicillin V.

Store penicillin V tablets at room temperature away from moisture, heat, and light. Store liquid penicillin V in a refrigerator but do not permit it to freeze. Throw away any liquid that has not been used within 14 days after it was mixed at the pharmacy.


Before taking this medicine

Do not use this medication if you are allergic to penicillin V or to any other penicillin antibiotic, such as:

  1. carbenicillin (Geocillin);

  2. dicloxacillin (Dycill, Dynapen); or

  3. amoxicillin (Amoxil, Amoxicot, Biomox, Dispermox, Trimox);

  4. ampicillin (Omnipen, Principen);

  5. oxacillin (Bactocill).

Before using penicillin V, tell your doctor if you are allergic to any drugs (especially cephalosporins such as Ceclor, Ceftin, Duricef, Keflex, and others), or if you have:

  1. a bleeding or blood clotting disorder;

  2. a history of diarrhea caused by taking antibiotics; or

  3. asthma;

  4. kidney disease;

  5. a history of any type of allergy.

If you own any of these conditions, you may need a dose adjustment or special tests to safely take penicillin V.

FDA pregnancy category B.

Penicillin V is not expected to be harmful to an unborn baby.

What antibiotic for penicillin allergies

Tell your doctor if you are pregnant or plan to become pregnant during treatment. Penicillin V can make birth control pills less effective, which may result in pregnancy. Before taking this medicine, tell your doctor if you use birth control pills. Penicillin V can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.


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