Drug Glossary and Definition

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Pharmacist's Guide

Table of Contents

Drug Glossary - F

Fecal Impaction Condition in which feces become firmly wedged in the rectum.
Fibrocystic Breast Disease Overgrowth of fibrous tissue in the breast, producing non-malignant cysts.
Fibroid Tumors Non-malignant tumors of the muscular layer of the uterus.
Flu (Influenza) A virus infection of the respiratory tract that lasts three to ten days. Symptoms include headache, fever, runny nose, cough, tiredness and muscle aches.
Fluoroquinolones A class of drugs used to treat bacterial infections, such as urinary tract infections and some types of bronchitis. These drugs include ciprofloxacin, enoxacin, gatifloxacin, gemifloxacin, levofloxacin, lomefloxacin, moxifloxacin, norfloxacin, ofloxacin, sparfloxacin.
Folate Antagonists Drugs that impair the body’s utilization of folic acid, which is necessary for cell growth. These drugs include dione anticonvulsants, hydantoin anticonvulsants, succinimide anticonvulsants, divalproex, methotrexate, oral contraceptives, phenobarbital (long-term use), pyrimethamine, sulfonamides, triamterene, trimethoprim, trimetrexate, valproic acid.
Folliculitis Inflammation of a follicle.
Functional Dependence The development of dependence on a drug for a normal body function. The primary example is the use of laxatives for a prolonged period so that there is a dependence on the laxative for normal bowel action.
fad diets currently popular weight-reducing diets; usually nutritionally inadequate and not useful or permanent methods of weight reduction
fast foods restaurant food that is ready to serve before orders are taken
fat cell theory belief that fat cells have a natural drive to regain any weight lost
fats (lipids) highest caloric-value nutrient
fat-soluble can be dissolved in fat
fatty acids a component of fats that determines the classification of the fat
feces solid waste from the large intestine
fermentation changing of sugars and starches to alcohol
fetal alcohol syndrome (FAS) subnormal physical and mental development caused by mother’s excessive use of alcohol during pregnancy
fetal malformations physical abnormalities of the fetus
fetus infant in utero
fibrosis development of tough, stringy tissue
flatulence gas in the intestinal tract
flavonoids naturally occurring water-soluble plant pigments that act as antioxidants
folate/folic acid a form of vitamin B, also called folacin; essential for metabolism
food customs food habits
food diary written record of all food and drink ingested in a specified period
food faddists people who have certain beliefs about particular foods or diets
food poisoning foodborne illness
foodways the food traditions or customs of a group of people
free radical atoms or groups of atoms with an odd (unpaired) number of electrons; can be formed when oxygen interacts with certain molecules
fructose the simple sugar (monosaccharide) found in fruit and honey
fundus (of the stomach) upper part of the stomach
fusion a style of cooking that combines ingredients and techniques from different cultures or countries

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