chapter 3 general classifications of drugs Flashcards
Analeptic drugs:
stimulate the respiratory system
Anorexiants:
suppress appetite
Amphetamines:
CNS stimulator, they are high dependence cause euphoria and wakefulness
action for Anticonvulsants and Anti-Parkinsonism Drugs
•Decrease the excitation of the of neurons•decrease tremors in parkinsonism
Cholinesterase Inhibitors
Dementia associated with Alzheimer’s disease
Sedatives
is a drug which induces relaxation
Hypnotic
is a drug which induces sleep
Antipsychotic drugs:
is given to patients which loss contact with reality
Salicylates
they relive pain and are antipyretic
Nonacylated analgesics:
Tylenol
Narcotic analgesics
they are controlled substances (opium, morphine)
Antiemetic and Antivertigo Drugs
They depress the sensitivity of vestibular apparatus used as prophylaxis
adrenergic blocking drugs:
They vasodilate vessels used in hypertension.
adrenergic blocking drugs:
decrease the heart rate
Cholinergic Drugs
hey are used to treat glaucoma, myasthenia gravis, and urinary retention
Antihistaminic:
They block histamine receptors decreasing the allergic effect
Decongestants:
they cause vasoconstriction
Antitussive:
decrease cough
Mucolytics and expectorants:
loosens secretions and removing secretions
Class 1-A drugs:
Depress myocardial excitability.
Class 1-B drugs:
Increase the threshold of contraction
Class 1-c drugs:
slowing conduction in all parts of the heart
Class II :
Block the β-receptors thus decreasing heart rate
Class III:
increase the repolarization on the nerve cell membrane so decreasing the heart rate
Nitrates:
Direct action on smooth muscles causing the muscles to relax
Bile acid sequestrants:
bind to bile acids in the GIT decreasing their action
HMG-COA reductase inhibitors (Statins):
they inhibit the enzyme which is a catalyst in cholesterol synthesis
Fibric acid derivatives:
stimulate the liver to breakdown LDL, increase the catabolism of triglycerides.
Anticoagulants:
depletion of prothrombin
Thrombolytic drugs:
they dissolve the thrombus