Interactions with amoxycillin
Tell your doctor about all the medicines you are taking
It is important that you tell your health professional about all the medicines you are taking — including prescription, over-the-counter and complementary medicines (herbal, ‘natural’, and vitamin and mineral supplements). This is because all medicines, including herbal and natural medicines, can cause side effects and may interact with amoxycillin.
Tell your doctor if you are taking:
- allopurinol or probenecid (medicines used to treat gout): if you are taking allopurinol or probenecid there is an increased chance that you will develop a rash if you are also taking amoxycillin.
To check if your medicine contains this active ingredient, look on the packaging of your medicine for the active ingredient name, or use our Medicines Finder.
Can I drink alcohol if I am taking amoxycillin?
Drinking alcohol in moderation is unlikely to interact with amoxycillin or cause additional side effects.
Find out more about drinking alcohol when you are taking antibiotics.
Will amoxycillin affect my contraceptive?
Amoxycillin won’t affect your hormone contraceptive.
Rifampicin and rifabutin are the only types of antibiotic that are known to interact with some forms of hormone contraceptives, such as the combined contraceptive pill, making it less effective.
Find out more about antibiotics and contraception.
Phone for medicines information
Call NPS Medicines Line on 1300 MEDICINE (1300 633 424) to get information about your prescription, over-the-counter and complementary medicines (herbal, ‘natural’, vitamins and mineral supplements) from a pharmacist. Your call will be answered by healthdirect Australia (except Queensland and Victoria).
- Rossi S, ed. Australian Medicines Handbook [online]. Adelaide: AMH, July 2012.
- Sweetman S, ed. Martindale: The complete drug reference [online]. London: Pharmaceutical Press (accessed 18 October 2011).
- Antibiotic Expert Group. Therapeutic Guidelines: Amoxycillin and ampicillin. Melbourne: Therapeutic Guidelines Limited, 2012 (accessed 27 March 2012).