This article provides an overview on analgesics drugs. Introduction to Analgesic Drugs: The control of pain is one of the most important uses to which drugs are put. Analgesic drugs are divided into four main categories: (i) Narcotic analgesic (ii) Non-steroidal anti-inflammatory drugs, also known as non-narcotic analgesics. (iii) Local anesthetics (iv) Various centrally acting non-opioid drugs. Out of the [...]
This article provides an overview on hypnotics and sedatives. Hypnotics are drugs which produce drowsiness and facilitate the onset and maintenance of a state of sleep resembling natural sleep in its electroencephalogram (EEG) features and from which the recipient may be easily aroused. The effect produced by hypnotics is known as hypnosis. Sedatives are the drug which moderately depress the [...]
The transmitters, central or peripheral, may be conveniently classified into two categories: 1. Non-peptide transmitter with molecular weight less than 200. These include amines and amino acids. The amines include acetylcholine (a tertiary amine) and biogenic amines e.g. dopamine, serotonin (5-HT), norepinephrine, epinephrine and histamine. The amino acids include glycine and GABA (monocarboxylic; inhibitory), and glutamate/aspartate (dicarboxylic; excitatory), and 2. [...]