A drug allergy is an allergic reaction to medication that occurs when the immune system is incorrectly activated by a drug. Vaccine allergy is very rare. It is usually caused by allergy to an excipient in the vaccine, rather than the active ingredient.

Dr Hiva Fassihi and Dr John Ferguson discuss Phototherapy and how it differs from UVB Phototherapy.

A urinary tract infection (UTI) is an infection that affects any part of the urinary system, including the bladder, urethra, ureters, and kidneys.

Written by Dr Iqbal Malik, Consultant Cardiologist