Drugs (medicines) are something that treats, prevents or alleviates the symptoms of disease. Two things make a drug important: Firstly, it is used to treat a large number of people with a range of health problems and; secondly, these drugs spurred the pharmaceutical industry to further research and innovation. It is manufactured or produce not only through the extraction of medicinal plant like aloe Vera, tulsi plant, garlic etc. but also through organic synthesis. Some important drugs are discussed below:
Image Courtesy: www.images.agoramedia.com
Anaesthesia: Anaesthetic drugs are used during the major surgical operation to cease scence organs activities. It was William Morten who used anaesthesia first time in the form of diethyl ether. Later in 1847 it was used by James Sampson in the form of chloroform. There are also so many compounds like sulphonal, veronal, chloropropane, cocaine, diagipalm, pentothal sodium, Halothane, nitrous oxide etc. which are used as anaesthesia.
Image Courtesy: www.urbananaesthetics.com.au
Antibiotics: Antibiotic drugs are prepared by micro organism; moulds, fungi etc and these drugs kill another organism and check the growth (spread) of virus and bacteria. The firstly Alexander Flemming invented the drug Penicillin (antibiotic) in 1929 which is used a destroyer of virus, bacteria and fungi. Some more important antibiotics which are used frequently are- Tetracycline, Cephalosporin, Streptomycin, Gentamycin, Rifamycin, Chloromycitin etc.
Antiseptics: Antiseptic drugs are helpful in killing micro organism (virus and bacteria) and in preventing its spread. This is specially used to prevent blood to be polluted and in cleaning wounds by suitable antiseptics. There are three antiseptic substances which are today frequently used in making antiseptics as suggested by Semmelwies, Lister and Koch. Some antiseptic drugs which are commonly used are Iodine, Hypochlorous acid, Ethyl alcohol, phenols Hexachlorophene, Formaldehydes, Hydrogen peroxide, Acriflavine etc.
Image Courtesy: www.sanidex.us
Antipyretics: Antipyretics are used as body pain reliever and in the form of medicine of fever etc. Some important antipyretic drugs are- Asprin, Crocin, Phenacitin, Pyromidin etc.
Image Courtesy: www.sanidex.us: www.voxy.co.nz
Sulpha Drugs: These drugs are mainly composed from sulphur and nitrogen and such drugs are sharply effective against certain organisms. Some sulpha drugs are used specially for animals. The first sulpha drug was sulphanilamide invented and formed in 1908. Some important sulpha drugs are- Sulphanilamide, Sulphadigine, Sulpha pyridine, Sulphathiogol etc.