Drugs

Drugs and medicines are classified into major classes such as analgesics, antipyretics, antibiotics, antimalarial drugs and antiseptics. Drugs are categorized into many subcategories which are anti-infective drugs, antiallergic drugs, antineoplastic agents, antiparasitic drugs, cardiovascular system drugs, central nervous system drugs, dermatological drugs, disinfection and corrosion, drugs for ear, endocrinium drugs, gastrointestinal agents, gynecological drugs, haematological systemic drugs, hepato-biliary-pancreatic drugs, immunomodulator drugs, interofective system drugs, mouth, narcotic and adjuvant drugs, nose and throat drugs, nutraceuticals, ophthalmic remedy and orthopedics drugs and remedies. Drugs are administered by various methods and ways. These drugs can be administered via bolus, inhaled, injected, insufflations, orally, rectally, sublingually, topically and vaginally. In order to treat diseases like different infections and infestations, physicians prescribe many drugs such antifungal, antituberculous drugs, antibiotics, antimalarials, antileprotics, anthelmintics, amoebicides, antivirals and antiprotozoals. Skin diseases are treated by using many drugs and medicines that include vitamin A derivatives, emollients, vitamin D analogues, topical antibiotics, keratolytics, antifungals, anti-pruritics, disinfectants, pediculicides, scabicides, systemic antibiotics, tar products, abrasives, hormones, fibrinolytics, exudate absorbents, desloughing agents, proteolytics, antiperspirants, sunscreens, and corticosteroids etc. Drugs and medicine like Atorvastatin, Clopidogrel, Enoxaparin, Celecoxib, Omeprazole, Esomeprazole, Fexofenadine, Quetiapine, Metoprolol, and Budesonide etc. are supposed to be the blockbuster drugs due to their wide and frequent usages all over the world.