Conditions

Henoch-Schönlein purpura (HSP) affects the blood vessels and causes a spotty rash. It's not usually serious, but can sometimes lead to kidney problems. It's more common in children, but adults can get it too.

Hepatitis is the term used to describe inflammation of the liver. It's usually the result of a viral infection or liver damage caused by drinking alcohol.

Hepatitis A is a liver infection that is spread in the poo of an infected person. Most people who get it get better within a few months.

Hepatitis B is a liver infection that is spread through blood, semen and vaginal fluids. The chance of getting it in the UK is low. There's a vaccine if you're at high risk or travelling to a country where it's more common.

Hepatitis C is a virus that can infect the liver. If left untreated, it can sometimes cause serious and potentially life-threatening damage to the liver over many years.

Hereditary haemorrhagic telangiectasia (HHT) is an inherited genetic disorder that affects the blood vessels. It's also known as Osler-Weber-Rendu syndrome.

Hereditary spastic paraplegia is a general term for a group of rare inherited disorders that cause weakness and stiffness in the leg muscles. Symptoms gradually get worse over time.

A hernia occurs when an internal part of the body pushes through a weakness in the muscle or surrounding tissue wall.

A herpes simplex eye infection is a viral infection that can cause a painful, red eye. It's also called eye herpes or ocular herpes. It's important to get treatment because it can sometimes affect your sight.

Herpetic whitlow (whitlow finger) is a painful infection of the finger caused by the herpes virus. It's easily treated but can come back.