NZ Formulary

Amoxicillin (injection)

a-mox-ih-sil-in

What does it do?

Amoxicillin is used to treat and prevent bacterial infections.

How is it given?

Amoxicillin is given as an infusion or injection into a vein, or as an injection into a muscle.

What if you forget a dose?

The missed dose should be given as soon as possible and treatment should continue as directed. Amoxicillin is usually given to you by a health professional. If you miss a dose, contact your health professional as soon as possible.

Can you take other medicines?

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.

What side effects might you notice?

Side EffectsRecommended action

Symptoms of allergy including: skin rash, itching, swelling, trouble breathing

Tell your doctor immediately

Severe or persistent diarrhoea, abdominal pain

Small white sores in mouth, furry tongue (oral thrush)

Vaginal itch or discharge (vaginal thrush)

Tell your doctor

Diarrhoea, stomach upset

Irritation or pain at injection site

Tell your doctor if troublesome

If you notice any other effects, discuss them with your doctor or pharmacist.

Important information continues on next page.

Other information:

  • Tell your doctor if you have kidney or gut problems, glandular fever, have ever had a seizure, or have ever had an allergic reaction to penicillins or any other medicine.
  • Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.