Health Conditions

Gonorrhoea

Gonorrhoea is a sexually transmitted infection (STI) caused by bacteria called Neisseria gonorrhoeae or gonococcus. It used to be known as 'the clap'.

Gout

Gout is a type of arthritis in which small crystals are deposited form inside and around the joints. It causes sudden attacks of severe pain and swelling.

Gout

Gout, a condition caused by a buildup of uric acid in joints and other areas of the body, is a kind of arthritis. It can cause an attack of sudden burning pain, stiffness, and swel…

Granuloma annulare

Granuloma annulare is a long-lasting rash thatlooks like a ring of small red or skin-coloured bumps.

Guillain-Barré syndrome

Guillain-Barr (pronounced ghee-yan bar-ray) syndrome is a very rare and serious condition that affects the nerves.

Gum disease

Gum disease is a very common condition where the gums become swollen, sore or infected.If you have gum disease, your gums may bleed when you brush your teeth and you may have bad b…

Haemophilia

Haemophilia is an inherited condition that affects the blood's ability to clot. Normally, when you cut yourself, substances in the blood known as clotting factors combine with bloo…

Haemophilus influenzae type b

Haemophilus influenzae type b ( Hib ) is a bacterium that can cause a number of serious illnesses, particularly in young children.

Hair dye reactions

Recently, there have been media reports of women who have experienced serious allergic reactions to hair dye.

Halitosis (bad breath)

Bad breath is a common problem that can affect anyone at any age.

Hallucinations

Hallucinations are where someone sees, hears, smells, tastes or feels things that don't exist outside their mind.

Hallux valgus

A bunion is a bonydeformity of the joint at the base of the big toe.The medical name is hallux valgus.

Hamstring injury

A hamstring injury is a strain or tear to the tendons or large muscles at the back of the thigh.

Hand pain

Hand pain can be caused by anything from a trapped nerve to an underlying disease such as arthritis.

Hand, foot and mouth disease

Hand, foot and mouth disease is a common infection thatcauses mouth ulcers andspots on the hands and feet.

Head and neck cancer

Head and neck cancer is a relatively uncommon type of cancer. Around 10,000 new cases are diagnosed in the UK each year.

Head injury, minor

Minor head injuries are common in people of all ages and rarely result in any permanent brain damage.

Head injury, severe

Severe head injuries require immediate medical attention because there's a risk of serious brain damage.

Head lice

Head lice are tiny insects that live in hair. Nits are the empty egg cases attached to hair thathead licehatch from.

Headaches

Headaches are one of the most common health complaints. Most are not serious and can be easily treated. In many cases, you can treat your headaches at home with over-the-counter pa…

Hearing impairment

Hearing loss is a common problem that often develops with age oris caused by repeated exposure to loud noises.

Hearing tests

Hearing tests are used to assess your ability to hear different sounds and to determine if there are any problems.

Hearing tests for children

Routine hearing tests areoffered to newborn babies and childrento identify any problems early on in their development.

Heart block

In people with heart block the electrical pulses that control the heart rate are disrupted, causing the heart to beat more slowly. It's a type of arrhythmia, which is a medical ter…