Nosebleed definition and facts Picture of mustache dressing The definition of a nosebleed is simply bleeding from the blood vessels in the nose. The medical term for nosebleed is epistaxis. Nosebleeds are common due to the location of the nose on the face, and the large amount of blood vessels in the nose. The most …

What is the right brain vs. left brain theory? What is brain lateralization (split-brain)? Readers Comments 1 Share Your Story Illustration of Left Brain vs. Right Brain Some neuroscience researchers believe that the function of the human brain is be best explained by the concept of lateralization, meaning that the right and left hemispheres of the brain perform very different …

Labyrinthitis (inner ear infections) definition and facts Readers Comments 7 Share Your Story Inner Ear Infection (Labyrinthitis) Labyrinthitis is an inner ear condition that causes dizziness, spinning sensation (vertigo) and problems with balance. Inner ear infections and/or other ear problems can trigger labyrinthitis. Symptoms of labyrinthitis include: Dizziness Spinning sensation (vertigo) Nausea Vomiting Problems with balance or walking Hearing loss …

What is Premarin? What is Premarin used for? Estrogens are one of the two major classes of female hormones. (Progestins comprise the second major class). Estrogens are used primarily to treat the symptoms of menopause and states in which there is a deficiency of estrogen, for example, among women who have had their estrogen-producing ovaries removed. Conjugated estrogens are a …

What is timolol and how does it work (mechanism of action)? Timolol GFS 0.25% and 0.5% are indicated for the treatment of elevated intraocular pressure in patients with ocular hypertension or open-angle glaucoma. Timolol maleate is a beta1 and beta2 (nonselective) adrenergic receptor inhibitor that does not have significant intrinsic sympathomimetic, direct myocardial depressant, or local anesthetic (membrane-stabilizing) activity. Timolol …

What is sonidegib? What is sonigegib used for? Odomzo (sonidegib) is an oral medication used to treat a type of skin cancer called basal cell carcinoma. Sonidegib is an inhibitor of the hedgehog biological signaling pathway, a pathway that promotes the growth of both normal and cancer cells. Sonidegib binds to and inhibits smoothened, a protein involved in hedgehog signaling. …

What is Orkambi? What is Orkambi used for? Orkambi is a combination of two drugs, lumacaftor and ivacaftor (Kalydeco) and is used for treating cystic fibrosis. Cystic fibrosis (CF) is an inherited disease that affects the secretory glands, including the mucus and sweat glands. Cystic fibrosis mostly affects the lungs, pancreas, liver, intestines, sinuses, and sex organs. Cystic fibrosis is …

What is lesinurad, and how does it work (mechanism of action)? Lesinurad is an oral medication that reduces uric acid levels in people who have too much uric acid in their blood (hyperuricemia) and have symptoms of gout. It is the first approved drug in a new class of drugs called selective uric acid reabsorption inhibitors (SURI). Uric acid is …

What is hyaluronate injection, and how does it work (mechanism of action)? Hyaluronic acid is a natural chemical that is found in almost all species of animal and in various parts of the human body. It works as a biological lubricant, reducing friction between adjacent tissues. It is present in high amounts in joints and synovial fluid (the fluid that …

What is Harvoni? What is Harvoni used for? Harvoni is an oral tablet containing two drugs used for the treatment of chronic infection with the hepatitis C virus (HCV), genotype 1 in adults. The components belong to a class of drugs called direct-acting antiviral agents. Similar drugs include boceprevir (Victrelis), sofosbuvir (Sovaldi), simeprevir (Olysio), telaprevir (Incivek), and Viekira Pak (ombitasvir, …