25,729 articles
Floppy eyelid syndrome
Floppy eyelid syndrome (FES), also called lax eyelid condition-related syndrome, is an underdiagnosed eyelid laxity disorder with easy upper-lid eversion, chronic papillary conjunctivitis, and strong association with obesity and obstructive sleep apnea.
Floppy iris syndrome
Intraoperative floppy iris syndrome (IFIS), also called floppy iris syndrome, is a triad of billowing iris, iris prolapse, and progressive miosis during cataract surgery, strongly linked to tamsulosin (Flomax) use for benign prostatic hyperplasia.
Florbetaben
Florbetaben (18F), brand name Neuraceq, code 18F-BAY94-9172, is an 18F-labeled stilbene PET radiotracer for brain beta-amyloid plaque imaging in cognitive impairment, approved by EMA and FDA in 2014, dosed at 300 MBq.
Florbetapir
Florbetapir (Amyvid, florbetapir F 18) is an FDA-approved fluorine-18 PET radiotracer binding beta-amyloid neuritic plaques, used to evaluate Alzheimer's disease and select patients for amyloid beta-directed therapy.
Florence Nightingale
Florence Nightingale (1820–1910), the Lady with the Lamp, British nurse, statistician, and founder of modern nursing; led 38 nurses at Scutari in the Crimean War, founded the 1860 Nightingale Training School, and pioneered the Polar Area Chart.
Florence Pannell
Florence Ada Bethia Pannell (née Neate, 1868–1980), British supercentenarian who died at 111 years 299 days; GRG- and ESO-validated, oldest known living person in Europe at her death, interviewed in 1977 about Victorian life.
Florence S. Cromwell
Florence S. Cromwell, or Florence Stevens Cromwell, was an American occupational therapist who led the AOTA and was elected to the Institute of Medicine in 1975.
Floretyrosine F 18 (Pixclara)
Pixclara (floretyrosine F 18, 18F-FET, TLX101-Px) is Telix's fluorine-18 tyrosine PET tracer, FDA-approved in 2026 (NDA 218592) to differentiate recurrent or progressive glioma from treatment-related change via LAT1/LAT2 uptake.
Florid cemento-osseous dysplasia
Florid cemento-osseous dysplasia (FCOD) is a rare, benign fibro-osseous lesion of the jaws, seen mostly in middle-aged women of African descent and typically managed without biopsy to avoid osteomyelitis.
Flortaucipir
Flortaucipir (¹⁸F, Tauvid, AV-1451, T807) is an FDA-approved (2020) PET radiotracer binding aggregated tau neurofibrillary tangles to evaluate Alzheimer's disease; 370 MBq dose, 0.57 nM PHF-tau affinity, not indicated for CTE.
Flosequinan
Flosequinan (Manoplax), a Boots quinolone vasodilator for heart failure, improved symptoms and hemodynamics but raised mortality in the PROFILE trial and was voluntarily withdrawn in July 1993.
FLOT chemotherapy
FLOT chemotherapy combines docetaxel, oxaliplatin, leucovorin, and fluorouracil in two-week cycles around surgery for stomach and esophageal adenocarcinoma, replacing ECF as the standard after the FLOT4-AIO trial.
FLOT regimen
The FLOT regimen is a combination chemotherapy of docetaxel, fluorouracil, leucovorin, and oxaliplatin given every 14 days, used mainly as perioperative treatment for resectable gastric and gastroesophageal junction adenocarcinoma.
FLOTCH syndrome
FLOTCH syndrome (leukonychia totalis-trichilemmal cysts-ciliary dystrophy syndrome, ORPHA:2045) is an extremely rare autosomal dominant cutaneous disorder with leukonychia totalis and recurrent pilar cysts, sometimes with ciliary dystrophy, koilonychia, or renal calculi; genetic cause unknown.
Flow diverter
Flow diverter: braided intracranial stent (Pipeline, Surpass, Silk) placed across an aneurysm neck to divert flow, cause thrombosis, and enable endothelial healing; needs dual antiplatelet therapy.
Flow limitation in the iliac artery
Flow limitation in the iliac artery (FLIA) is an exertional leg ischemia in endurance athletes, mainly cyclists, caused by endofibrosis, arterial kinking, or compression; diagnosed by provocative ABPI, Doppler, and NIRS testing.
FLOW trial (NCT03819153)
FLOW (NCT03819153), the Evaluate Renal Function With Semaglutide Once Weekly trial, was Novo Nordisk's phase 3 trial of once-weekly semaglutide 1.0 mg in 3,533 people with type 2 diabetes and CKD; stopped early after a 24% reduction in kidney outcomes.
FLOW-DCB trial
FLOW-DCB (NCT07852689) is a planned Korean multicenter randomized noninferiority trial comparing drug-coated balloon-based versus drug-eluting stent-only PCI in 100 adults with de novo coronary lesions, with distal FFR at 6 months as the primary outcome.
FLOW-HF trial
FLOW-HF (NCT06554912), also FLOWS-HF, a Grenoble interventional trial testing safety and feasibility of lymphatic decompression in chronic heart failure with recurrent congestion; listed as withdrawn.
Floxuridine
Floxuridine, also called FUDR, is a fluorinated pyrimidine antimetabolite chemotherapy drug, FDA-approved in 1970 and given by continuous hepatic artery infusion, mainly for colorectal cancer that has spread to the liver.
Floyd J. Malveaux
Floyd J. Malveaux is an American physician-scientist in allergy and asthma who served as dean of Howard University College of Medicine and led the Merck Childhood Asthma Network.
FLU M
Flu-M (Флю-М) is a Russian trivalent inactivated split influenza vaccine by SPbSRIVS FMBA, registered 2018, WHO prequalified 2025; distinct from Flu-M Tetra and from FLU-v.
Flu season
Flu season: the annual fall-winter period of peak influenza circulation, peaking December-February in the U.S.; tracked by CDC FluView, managed with annually updated trivalent vaccines, 40-60% effective when matched.
Fluad quadrivalent
Fluad Quadrivalent (FLUAD QUADRIVALENT, Influenza Vaccine, Adjuvanted) is Seqirus's MF59-adjuvanted, egg-based quadrivalent flu vaccine for adults 65 and older, US-approved in 2020 under accelerated approval, with 15 mcg hemagglutinin per strain and ACIP preferential recommendation.
Flublok
Flublok (Influenza Vaccine) is the first FDA-licensed recombinant influenza vaccine (2013), a trivalent, egg-free, 135 mcg HA insect-cell baculovirus product approved for ages 9 and older.
Flucelvax quadrivalent
Flucelvax Quadrivalent (ccIIV4) is Seqirus's cell culture-based, egg-free inactivated quadrivalent influenza vaccine grown in MDCK cells, FDA-approved 2016 for ages 6 months and older, later superseded by trivalent Flucelvax.
Fluciclovine
Fluciclovine F18 (Axumin, 18F-FACBC) is a synthetic leucine-analogue PET radiotracer approved in 2016 (FDA) and 2017 (EMA) for imaging suspected prostate cancer recurrence after elevated PSA, now largely superseded by PSMA tracers.
Flucloxacillin
Flucloxacillin (Floxacillin, Floxapen) is a narrow-spectrum, β-lactamase-resistant penicillin antibiotic available only on prescription, used to treat Gram-positive infections including cellulitis, bone infections, and endocarditis.
Fluconazole
Fluconazole (Diflucan) is a triazole antifungal developed at Pfizer, launched 1990, inhibiting fungal ERG11 lanosterol demethylase; oral bioavailability over 90%, 30-hour half-life, used for Candida and Cryptococcus infections with known resistance mechanisms.
Fludrocortisone
Fludrocortisone (9α-fluorocortisol, Florinef) is a synthetic mineralocorticoid used for aldosterone replacement in adrenal insufficiency and CAH, and for orthostatic hypotension; potent MR agonist, 0.05–0.2 mg daily.