The dextrorotatory isomer is not an analgesic; however, it has antitussive properties. The levorotatory isomer, levomethorphane, exhibits activity similar to that of morphine; however, a number of side effects including nausea, vomiting, and the potential of causing constipation are less prevalent. It is 4-8 times more effective than morphine when injected. It also lasts longer than morphine. This drug is recommended for relieving moderate to high pain in biliary and renal colic, myocardial infarction, in serious trauma, and for relieving cancer pain and post-operative pain.
Methadone: Methadone, 6-dimethylamino-4,4-dephenyl-3-heptanone (3.1.37), is synthesized by alkylation of diphenylacetonitrile using 1-dimethylamino-2-propylchloride in the
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Did you ever think feeling angry and irritable could be a symptom of constipation? A horrible fullness and pressing sharp pains against the bladders can’t help but affect your mood. Sometimes you just want everyone to leave you alone and sleep to escape the pain. It is virtually impossible to be constipated and keep a sunny disposition. Follow the steps in this guide to alleviate constipation and lead a happier healthy life.