nitroglycerin
a vasodilator used in episodes of severe angina to open blood vessels and help restore blood flow to the heart.OD
an overdose; to overdose.opiate
any one of various drugs derived from opium, such as morphine and codeine.opium
an extract of the poppy flower, a powerful and addictive narcotic used for painkilling and sedation.OTC
over-the-counter; available without a doctor's prescription.overdose
an excessive dose of medicine, causing ill effects or even death.palliative
any medicine that relieves symptoms but does not cure the underlying illness.panacea
a mythical cure-all.patent medicine
any trademarked medication that can be purchased without a doctor's prescription.penicillin
a broad-spectrum antibiotic.pharmaceutical
any drug or medication available at a pharmacy.pharmacology
the study and science of drugs and their effects on the body.pharmacopoeia
a book containing information on drugs and their ingredients, their preparation, their proper dosages, etc.pharmacy
a drugstore.phenobarbital
a barbiturate with a sedative effect, used to treat anxiety and insomnia.physic
a laxative.placebo
a sham pill or treatment that, presented as real medicine, often has measurable, curative effects, used in double-blind medical studies to test the efficacy of authentic medications.polio vaccine
either the Sabin (live virus) or the Salk (dead virus) vaccine, to prevent polio.poultice
a folk remedy composed of a warm, moist dressing made from meal, bread, clay, or other substance and applied to soothe an aching or inflamed body part.prednisone
a synthetic steroid used in the treatment of allergies and rheumatic diseases.prescription
a doctor's written order to a pharmacy for a medication.procaine
a local anesthetic known more widely by its trade name, Novocain.prophylactic
any agent that prevents disease, such as a vaccine. Also, a condom.psychedelic
more often known as an hallucinogenic, any substance that causes altered states of consciousness and may cause hallucinations.psychoactive
any drug that affects the mind, thinking processes, mood, etc.purgative
a laxative.quinine
drug used in the treatment of malaria.Sabin vaccine
see polio vaccine.St.-John's-wort
the yellow-floweredSalk vaccine
see polio vaccine.sedative
any drug used to relieve anxiety or induce sleep.sodium barbital a sedative.
soporific
any drug that induces sleep.steroid
any of various hormones, including cortisone, progesterone, the male hormone androgen, andthe female hormone estrogen, synthetic versions of which are used in hormone replacement therapy and in muscle building.stimulant
any substance that excites the central nervous system and increases alertness, such as caffeine.streptokinase
a bacteria-produced enzyme used to break up artery-clogging blood clots, especially in cases of myocardial infraction and pulmonary embolism.streptomycin
a broad-spectrum antibiotic, especially used in the treatment of tuberculosis.sulfa drug
any one of various drugs derived from sulfanilamide, used to treat a broad range of infections, such as those involved in conjunctivitis, bronchitis, leprosy, malaria, dysentery, gastroenteritis, and urinary infections, by preventing the growth of bacteria. Also known as a sulfonamide.sulfonamide
see sulfa drug.synergist
any medicine that produces a more powerful effect when combined with another medicine.tetracycline
any one of various bacteria-derived antibiotics used to treat a wide range of bacterial infections, including syphilis.tolerance
the decline of a drug's effectiveness in a patient over time, causing the need for higher dosages.topical
applied to a localized area outside the body, such as the skin.tranquilizer
any drug used to relieve anxiety and induce sleep.troche
a lozenge.vaccine
any inoculation administered to prevent a disease.valerian
a plant-derived sedative.vasoconstrictor
any drug that narrows the blood vessels, used to maintain or raise blood pressure during shock or surgery.vasodilator
any drug that widens the blood vessels, causing an increase in blood flow, used to improve circulation and to treat angina.vermicide
any drug used to destroy worms in the intestines.vitamin
any one of various substances, derived from plant and animal products, essential for the body's health and functioning.warfarin
an anticoagulant used to help prevent embolism.