Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Allergic reactions to antibiotics
Some people have an allergic reaction to antibiotics. Learn about the symptoms and the difference between allergic reactions and side effects.
Antibiotics revolutionised medicine in the 1940s because they treated infections caused by bacteria. Learn how antibiotics work and what they do and don’t treat.
Penicillin is the name given to a widely-used group of antibiotic drugs. Penicillin can have side-effects, and some people suffer allergic reactions. Find out more here.
Trusted information about allergy types, as well as allergy testing, anaphylaxis, antihistamines and common related conditions such as asthma and hay fever.
Cat and dog allergy
Allergies to cats and dogs are common, and symptoms can be severe. Learn more about how to live with a pet allergy.
Grass allergy causes someone to have an allergic reaction to grass pollen spread by the wind. Learn more about its symptoms, diagnosis and treatment.
Allergies and hypersensitivities
An allergic reaction occurs when the immune system overreacts to a foreign substance that usually causes few or no problems in most people.
Here’s important information about what antibiotics treat and don’t treat, an explanation of 'superbugs' and how antibiotic resistance can be reduced.
Antibiotic-resistant gonorrhoea has increased
Cases of gonorrhoea have risen in Australia, and many people don't know they have it. But this STI can cause infertility if left untreated.
Differences between bacterial and viral infection
Bacterial and viral infections must be treated differently. Misusing antibiotics to treat viral infections leads to the problem of antibiotic resistance.