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Homocystinuria
Homocystinuria is a rare inherited metabolic disorder characterized by the accumulation of homocysteine, an amino acid, in the blood and urine. This condition is caused by deficiencies in enzymes involved in the metabolism of methionine, leading to elevated levels of homocysteine and its metabolites. Homocystinuria can result in a range of clinical manifestations, including ocular, skeletal, vascular, and neurological abnormalities.
Homeopathy
Homeopathy is a system of alternative medicine based on the principle of "like cures like," which posits that a substance that causes symptoms in a healthy person can be used to treat similar symptoms in a sick person when diluted to extremely small doses. Homeopathic remedies are prepared through a process of serial dilution and succussion (vigorous shaking), which proponents believe enhances the therapeutic properties of the substances while minimizing toxicity.
Home oxygen therapy
Home oxygen therapy (HOT) is a medical treatment that involves the administration of oxygen to individuals with respiratory conditions who have low blood oxygen levels (hypoxemia) while at rest or during activity. It aims to improve oxygenation, relieve symptoms, and enhance the quality of life for patients with chronic respiratory diseases.
Hodgkin lymphoma
Hodgkin lymphoma (once known as Hodgkin disease) is a group of blood cancers that affects your lymphatic system. These blood cancers start in your lymphocytes. Lymphocytes are white blood cells that are part of your lymphatic system. Every year, more people are living longer after treatment.
Hirsutism
Hirsutism ia an unwanted male-pattern hair growth on a woman's face, chest and back.
Hirsutism can result from excess male hormones, called androgens. This may occur with certain medical conditions. It may also be inherited.
Hirsutism results in excessive amounts of stiff and pigmented hair on body areas where men typically grow hair, including the face, chest and back.
Hirsutism is treated with medication. Hair can also be removed with electrolysis or laser therapy.
Hirschsprung's disease
Hirschsprung's disease is a condition of the large intestine (colon) that causes difficulty passing stool.
Hirschsprung's disease involves missing nerve cells in the muscles of part or all of the large intestine (colon). Present at birth, it causes difficulty passing stool.
The main symptom is a newborn's failure to have a bowel movement within 48 hours after birth. Other symptoms include a swollen stomach and vomiting.
Surgery is required to bypass the affected part of the colon or remove it entirely.