Write short notes on opioids.

Explanation

Opiods: These are the drugs obtained from opium poppy plant Papaver samniferum (vernacular name : Nallamandu mokka): They bind to specific opioid receptors present in our central nervous system and gastrointestinal tract. Some of them are morphine, heroin etc.
Morphine: It is extracted from the dried latex of the unripe seed capsule (Pod) of poppy plant. It occurs as colourless crystals or a white crystalline powder.
Mode of abuse : Generally it is taken orally or by injection.
Effect: It is effective as sedative and painkiller. It is very useful in patients who have under gone surgery.
Heroin : It is a white, bitter, odourless and crystalline compound, obtained by the acetylation of morphine. Chemically it is diacetyl morphine. It is commonly callod snack.
Mode of abuse : Generally it is taken by shorting and injection.
Effect : Heroin is a depressant and slows down the body functions.