Symptom checker
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.
Read more
Antibiotics
Antibiotics revolutionised medicine in the 1940s because they treated infections caused by bacteria. Learn how antibiotics work.
Read more
Penicillin
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.
Read more
Doxycycline
Doxycycline is an antibiotic medicine. This page explains what doxycycline is used for, how it works, its risks and other treatment options available in its place.
Read more
Cefalexin
Cefalexin is used to treat bacterial infections in various parts of the body. This page explains how cefalexin works, its risks and other treatment options available in its place.
Read more
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.
Read more
Grass 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.
Read more
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.
Read more
Antibiotic resistance
Here’s important information about what antibiotics treat and don’t treat, an explanation of 'superbugs' and how antibiotic resistance can be reduced.
Read more
Cellulitis treatment
Treating cellulitis with antibiotics and rest.
Read more