Happy Diwali Happy Diwali Mann Homeopathic Clinic Rajkot Dr.Bhavin and Dr.Dhara Dhamsaniya 2018 Happy Diwali Mann Homeopathic Clinic RajkotDetails
In psychiatry, as in the rest of the medicine, Classification of Psychiatric Disorders is needed for three main purposes:
1. To enable clinicians to communicate with one another about their patients symptoms, prognosis and treatment.
2. To ensure that research can be conducted with comparable groups of patients.
3. To enable epidemiological studies as a basis for research and planning services.
Systems of classification: There are mainly two systems of classification which are described in brief below.
Barbiturate use disorder is now subsumed under sedative, hypnotic and anxiolytic use disorders. However, it has described separately as it has some distinctive features. Since their introduction in 1903, barbiturates have been used as sedatives, hypnotics, anticonvulsants, anaesthetics and tranquilisers.
In LSD use disorder, Lysergic acid diethylamide, ﬁrst synthesised by Albert Hoffman in 1938 and popularly known as ‘acid’, is a powerful hallucinogen. . It is related to the psychedelic compounds found in the ‘morning glory’ seeds, the lysergic acid amides. As little as 100 μg of LSD is sufﬁ cient to produce behavioural effects in man. LSD presumably produces its effects by an action on the 5-HT levels in brain.
Amphetamine Use Disorder: In Amphetamine Use Disorder, Though synthesis by Edleano in 1887, it was introduced in Medicine in 1932 as benzedrine inhaler, for the treatment of coryza, rhinitis and asthma. Later, it recommended for a variety of conditions such as narcolepsy, postencephalitic parkinsonism, obesity, depression, and even to heighten energy and capacity to work. Amphetamine…Details
In Cannabisuse diorder, Cannabis is derived from the hemp plant, Cannabis sativa, which has several varieties named after the region in which it is found (e.g. sativa indica in India and Pakistan, and americana in America).
Street names: Grass, Hash or Hashish, Marihuana.Details
Opioids are substances that mimic the effects of endogenous opioids (endorphins and enkephalins) by acting as agonists at the opioid receptors. 
In the last few decades, opioid use disorder has increased markedly all over the world.  The first record of opioid use by humans was in Mesopotamia in around 3400 BC, when people extracted the natural opioids from poppies and smoked them. Originally it was marketed as a less addictive form of morphine, but unfortunately this turned out to be completely wrong. Diamorphine is the mostly widely used opioid, as it produces the most powerful euphoria. Details