The information and instructions on the following pages should not replace those given to you by your doctor.

How does phenoxymethylpenicillin work?
Phenoxymethylpenicillin is an antibiotic that helps the body fight bacterial infections.

When shouldn't I give my child phenoxymethylpenicillin?
Do not give your child phenoxymethylpenicillin if he has a known allergy to penicillin. Consult your doctor if your child has ever suffered from respiratory system dysfunction, liver or kidney problems, and urinary tract problems, problems with the digestive system or any types of allergies. Notify your doctor if your child is taking any other types of medication.

Do not use this medication if you are pregnant or nursing.

Do not use this medication for an extended period of time without consulting your doctor.

Keep the phenoxymethylpenicillin in a cool, dark place. Keep the bottle securely closed and out of reach of children. If the antibiotic comes in a syrup form, keep it refrigerated. The syrup is good for 7 days after it is opened. Do not use the antibiotic after its expiration date.

Administering the Medication
Children: 25-50 mg/kilogram a day, divided into 6-8 doses.

Treating Strep Throat:

  • Adults – 1 gram (1 capsule) twice a day for 10 days
  • Children – 50 mg, twice a day for 10 days
  • Consult your doctor about infants and toddlers.

Treating Endocarditis (Preventative Treatment):
For children or adults with a high risk of endocarditis and undergoing dental treatment or surgery of the upper respiratory system.

Adults and Children weighing more than 25 kilograms – 2 grams (2 capsules) one hour prior to treatment and 1 gram (1 capsule) six hours after treatment.

Children weighing less than 25 kilograms: half of the adult dosage.

Syrups are easier to administer to younger children

Capsules should not be swallowed.

What should I do if I forgot to give my child his medicine on time?
Give your child the medication as soon as you remember. If you remember around the time of the next dose, skip the forgotten dose. Do not give a double dose.

When do I stop giving my child the antibiotics?
Complete the full treatment round as directed by your physician. Despite the fact that your child's fever has gone down, do not stop treatment prior to the date set by your doctor.

What are possible side effects?
While your child is taking the antibiotics he may experience side effects such as heartburn, diarrhea, nausea, inflammation of the tongue and mouth or a change in the color of the tongue.

When should I call my doctor?

  • There is no improvement in your child's condition after 2 days of taking antibiotics
  • Your child's condition worsens
  • Your child experiences an allergic reaction (itchiness, swelling of the face, shortness of breath, pressure in the chest, rapid pulse). Go to the ER immediately