Search results for (2023). How your immune system works. NHS Health A-Z.

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• Echocardiogram

  Find out more about having an echocardiogram scan, including what it’s used for and the different ways it can be done.

• Myositis (polymyositis and dermatomyositis)

  Find out more about myositis, the name for a group of rare conditions that cause muscle weakness.

• Ear infections

  NHS information about ear infections, which are very common, particularly in children.

• Side effects and risks of the vaginal ring

  Find out about common side effects of the vaginal ring and some of the rare health risks associated with taking it.

• Diagnosis - Schizophrenia

  There's no single test and the condition is usually diagnosed after assessment by a mental health specialist.

• Vaccination services

  Find out about NHS vaccination services, including how to book online, find a walk-in site and change your invitation preferences.

• Storing and travelling with biphasic insulin

  NHS medicines information on how to keep biphasic insulin safely at home, while you're using it and when you're travelling.

• Storing and travelling with rapid-acting insulin

  NHS medicines information on how to keep rapid-acting insulin safely at home, while you’re using it and when you’re travelling.

• Broken leg

  Find out what to do if you think you or someone else has a broken leg, as well as how a broken leg is treated and how long it takes to recover.

• BCG vaccine for tuberculosis (TB)

  Find out about the BCG vaccine for tuberculosis (TB), including who should have it and possible side effects.