All About Controlled Drugs Assignment Example | Topics and Well Written Essays - 750 words

All About Controlled Drugs - Assignment Example4. Intra-spinal provides direct access to the spinal cord for the administration of peculiar(prenominal) doses such as anesthetics. Requires trained staff and damage to the cord or hemorrhage argon the disadvantages. (Howland, 2006)6. Inhalational main advantage is its use in the administration of anesthetic drugs as well as drugs for respiratory diseases since it provides easy access to lungs. Also, quick do because of extensive blood supply of lungs is another advantage. The short duration of reach due to less partial pressure and exhalation of the inspired drug is a major disadvantage. Another disadvantage is a short list drug that can be administered by this route. (Howland, 2006)The major drug interactions and actions in the body include Durg-Drug interaction i.e. addition of another drug might enhance or lower the activity of the drug. First Pass metabolism i.e. Drugs have taken through oral route undergo a process of activati on and metabolism. This decreases their decreases their bioavailability and provides the blood stream with the active metabolite of the drug. Drug-Enzyme interaction i.e. several enzymes in the body act on drugs to release their active metabolites. Drug-Receptor Interaction i.e. Final action of the drugs takes place when they bind to their specific receptors and cause either activation or deactivation of the receptor to produce the desired effect. (Katzung, 2009)Antidepressants these drugs include Diazepam, Verapamil and Lorazepam etc. the generic names are Xanax etc. These drugs more commonly known as sleeping pills inhibit Gaba receptor and lower the levels of stress.Opioids These drugs have a specific action of painkillers. They act on their specific opioid receptors in the body namely alpha, beta, and mu. They bind to these receptors and inhibit the transmission of pain sensation or alteration of brains perception of pain. (Howland, 2006)