Diseases & Health Conditions
Educational information about diseases, symptoms, and related treatments
Greater trochanteric pain syndrome
Overview This information is useful for those who have been diagnosed with greater trochanteric pain...
Gum disease
Overview Gum disease is a common condition where the gums bleed, become swollen, sore or infected. M...
Hand, foot and mouth disease
Overview Hand, foot and mouth disease is a common childhood illness. It can also affect adults. It c...
Hay fever
Overview Return to Symptoms Next Review Date: Find your local services Search for a service near yo...
Head and neck cancer
Overview - What is head and neck cancer? - Types of head and neck cancer - Symptoms of head and neck...
Head lice and nits
Overview Head lice are tiny insects that live in hair. Nits are the empty egg cases attached to hair...
Headaches
Overview Return to Symptoms Next Review Date: Find your local services Search for a service near yo...
Hearing loss
Overview Hearing loss is a common problem that often develops with age or is caused by repeated expo...
Heart attack
Overview British Sign Language (BSL) What is a heart attack? A heart attack happens when there’s a...
Heart block
Overview Electrical impulses control the beating of the heart muscle. Heart block can happen when th...
Heart disease
Overview - Home - Illnesses and conditions - Symptoms and self-help - Tests and treatments - Healthy...
Heart failure
Overview Heart failure is a condition where your heart cannot pump blood around your body as well as...
Heart palpitations
Overview Palpitation is an awareness of your heartbeat. For example, your heart might feel like it’s...
Heatstroke and heat illness
Overview Heat illness such as heatstroke happens in hot places, both indoors and outdoors. It can be...
Hepatitis A
Overview Hepatitis A is a liver infection that’s spread in the poo of an infected person. The chance...
Hepatitis B
Overview Hepatitis B is a liver infection that’s spread through blood and body fluids. The chance of...
Hepatitis C
Overview Hepatitis C is a liver infection that’s spread through blood. It can be cured with treatmen...
Hiatus hernia
Overview - About hiatus hernia - Diagnosing hiatus hernia - Treating hiatus hernia - Complications o...
High blood pressure (hypertension)
Overview Blood pressure is the pressure of blood in the arteries. The arteries are vessels that carr...
High cholesterol
Overview Cholesterol is a fatty substance that’s produced in the liver. It’s also in some foods that...
Hip problems in children and young people
Overview This information may be useful if your child has a new hip problem. You should follow the a...
HIV
Overview HIV is a long-term health condition that is now very easy to manage. HIV stands for human i...
Hives
Overview Return to Symptoms Next Review Date: Find your local services Search for a service near yo...
Hodgkin lymphoma
Overview - What is Hodgkin lymphoma? - Types of Hodgkin lymphoma - Symptoms of Hodgkin lymphoma - Wh...