Health Conditions

Hypoparathyroidism

Hypoparathyroidism and hyperparathyroidism are rare hormone disorders caused by the parathyroid glands in the neck producing too little (hypo) or too much (hyper) parathyroid hormo…

Hypopigmentation

Albinism affects the production of melanin, the pigment that colours skin, hair and eyes.

Hypothermia

Hypothermia occurs when a person's body temperaturedrops below 35C (95F). Normal body temperature is around 37C (98.6F).

Hypotonia

Hypotonia isthe medical term for decreased muscle tone.

Hysterectomy

A hysterectomy is a surgical procedureto removethe womb (uterus). You'll no longer be able to get pregnant after the operation.

Hysteroscopy

A hysteroscopy is a procedure used to examine the inside of the womb (uterus).

Ichthyosis

Ichthyosis is a condition that causes widespread and persistent thick, dry,"fish-scale" skin.

Imaginary Smell (phantom smell)

'Phantosmia' is the medical term for an imaginary odour (phantom smell) .

Impetigo

Impetigo is a common and highly contagious skin infectionthat causes sores and blisters. It's not usually serious and often improves within a week of treatment or within a few week…

Impotence

Erectile dysfunction (ED), also known as impotence,is the inability to get and maintain an erection.

Indigestion

Indigestion (dyspepsia) is a general term for pain or discomfort felt in the stomach and under the ribs.

Indoor allergy

An allergy is a reaction the body has to a particular food or substance.

Infertility

Infertility is when a couple cannot get pregnant (conceive), despite having regular unprotected sex.

Inflammatory bowel disease

Inflammatory bowel disease (IBD) is a term mainly used to describe two conditions, ulcerative colitis and Crohn's disease.

Ingrown hairs

Ingrown hairs are hairsthat havecurled round andgrown back into the skin.

Ingrown toenail

An ingrown toenail develops when the sides of the toenail grow into the surrounding skin.The nail curls and pierces the skin, which becomes red, swollen and tender.

Inguinal Hernia

An inguinal (pronounced "ingwinal") hernia is the most common type of hernia. It can appear as a swelling or lump in your groin, or as an enlarged scrotum (the pouch containing the…

Inquest

An inquest is a legal investigation to establish the circumstances surrounding a persons death, including how, when and why the death occurred.

Insect Stings

Most insect bites and stings are not serious and will get better within a few hours or days.

Insomnia

Insomnia is difficulty getting to sleep or staying asleep for long enough to feel refreshed the next morning.

Intensive care

Intensive care units (ICUs)are specialist hospital wards that provide treatment and monitoring for people who are very ill.

Interstitial cystitis

Interstitial cystitis is a poorly understood bladder condition that causes long-term pelvic pain and problems with urination.

Intracranial hypertension

Intracranial hypertension (IH) is the medical name for a build-up of pressure around the brain.

Intrauterine insemination

Artificial insemination is a treatment that can help some couples have a baby. It involves directly inserting sperm into a woman's womb.