Topics: Drug Sources, Drug Benefit Assessment, Congeneric Drugs, Drug Administration, Oral Dosage Forms, dermatological agents, drug distribution, Drug Action, membrance permeation, drug transporters, drug elimination, drug metabolism, enteroheptaic circulation, presystemic elimination, pharmacokinetics, druig concentration, accumulation, dose-response relationship, drug-receptor interaction, agonists-antagonists, enantioselectivity, G-protein-couples receptors, plasma concentration, adverse drug effects, drug allergy, cutaenous reactions, pregnancy, lactation, drug-independent effects, cutaneous reaction, placebo theraphy, systems pharmacology, sympathetic system, cathecholamine actions, sympathomimetics, indirect sympathomimetics, Parasympathetic Nervous System, Parasympathetic Functions, Cholinergic Synapse, Parasympathomimetics, Parasympatholytics, biogenic agents, dopamine, histamine, serotonin, amino acids, vasodilators, organic nitrates, calcium antagonists, Renin-Angiotensin-Aldosterone System, ACE Inhibitors, smooth muscle, cardiac Drugs, Cardiac Glycosides, antiarrhythmic drugs, antianemic agents, anemias, iron compounds, antithrombotic agents, thrombosis therapy, Vitamin K, Heparin, fibrinolytics, platelet aggregation, plasma volume expanders, hyperlipoproteinemias, lipid-lowering agents, diuretics, water reabsorption, vasopressin, water and electrolyte disorders, Gastrointestinal Tract, Hyperacidity, antidiarrheal agents, motor system, muscle relaxants, nociceptors, pain, analgesics, eicosanoids, antipyretic analgesics, local anesthetics, opioids, General Anesthesia and General Anesthetic Drugs.lnhalational Anesthetics, Injectable Anesthetics, Anxiolytics, benzodiazepines, depressive illness, manic state, schizophrenia, endocrine system, hypothalamic hormone, hypophyseal hormone, thyroid hormone therapy, hyperthroidism, antithyroid drugs, glucocorticoid therapy, androgen, anabolic steroid, antiandrogen, follicular growth, ovulation, antibacterial drugs, antifungal drugs, antiviral drugs, antiparasitic drugs, tropical diseases, anticancer drugs, immune modulators