- Facial, tooth, or jaw pain
- Facial erythema
- Facial neuropathy
- Facial palsy
- Factitious diarrhea
- Factitious disorder
- Failure to thrive
- Failure to thrive, in elderly
- Fall risk factors and targeted interventions
- Falls, in elderly
- Falls & gait disorders
- Familial adenomatous polyposis
- Familial chronic idiopathic jaundice
- Familial Mediterranean fever
- Familial medullary thyroid carcinoma (FMTC)
- Family planning, symptothermal natural
- Farmer's lung
- Farmer's lung and other causes of hypersensitivity pneumonitis
- Fasciitis, plantar
- Fascioliasis
- Fasciolopsiasis
- Fasciolopsis buski
- Fascioscapulohumeral muscular dystrophy
- Fasting hypoglycemia
- Fatigue
- Fat necrosis, breast
- Fatty liver disease
- Fatty liver of pregnancy
- Fecal incontinence
- Fecal leukocytes, in intestinal disorders
- Fecal occult blood test, positive
- Felbamate, for seizure
- Feldene
- Felodipine overdose
- Female infertility
- Femoral aneurysm
- Femoral neuropathy
- Fenoldopam
- Fenoprofen calcium
- Fentanyl poisoning
- Fetotoxic drugs
- Fever
- Fibrillation, atrial
- Fibroadenoma, breast
- Fibrocystic breast disease
- Fibroids, uterine
- Fibroma
- Fibromuscular dysplasia
- Fibromyalgia
- Fibrosis, cystic
- Fibrosis, pulmonary, idiopathic
- Fibrosis, pulmonary, radiation
- FIGO staging, of cervical cancer
- Figurate (shaped) erythema
- Filariasis
- Filgrastim (G-CSF)
- Fish tapeworm infection
- Fissures, anal
- Fistula, perianal
- Fistula, perilymphatic
- Fixed drug eruptions
- Flatfoot
- Flatus (flatulence, gas)
- Flea bites
- Flecainide
- Flexor (volar) tenosynovitis
- Floaters
- Flovent
- Flovent Rotadisk
- Flu
- Fludarabine
- Flukes, liver, Chinese
- Flukes, liver, sheep
- Flukes, lung
- Flunisolide
- Fluocinonide
- Fluorometholone 0.1% ointment
- Fluorometholone 0.1% suspension
- Fluorometholone 0.25% suspension
- Fluorouracil
- Fluoxetine
- Fluoxymesterone
- Fluphenazine
- Flurandrenolide
- Flurazepam
- Flurbiprofen
- Fluriprofen sodium 0.03% solution
- Flutamide
- Fluticasone
- Flutter, atrial
- Fluvastatin
- Fluvoxamine
- FML Forte
- FML S.O.P
- Focal nodular hyperplasia, of liver
- Focal segmental glomerulosclerosis
- Folic acid deficiency
- Follicle cysts
- Follicle stimulating hormone (FSH) deficiency
- Follicular carcinoma, of thyroid
- Follicular lymphomas
- Folliculitis
- Fonsecaea
- Food poisoning
- Foot callosities
- Foot drop
- Foot pain
- Foradil Aerolizer
- Formoterol
- Fortovase
- Fosinopril
- Fragile X mental retardation
- Fragmin
- Francisella tularensis
- Fraxiparin
- Frigidity
- Frostbite
- Fukuda test
- Fulvestrant
- Fungal infection, bone & joint
- Fungal infections, drugs for
- FUO
- FUO in HIV/AIDS
- Furniture polish poisoning
- Furosemide
- Furunculosis
- Fusobacterium, drug use-related infection from
- Fusobacterium nucleatum