Category: 08. Drugs Acting In The Central Nervous System

General anesthesia involves the physiological changes: Reversible loss of response to painful stimuli, loss of consciousness and loss of motor and autonomic reflexes. Loss of consciousness is associated with inhibition of the activity of reticular formation. General anesthetics are administered by inhalation or by intravenous routes. They are classified into two on the basis of…

To facilitate the understanding of the pharmacological and unwanted effects of CNS drugs, the physiological functions of the main CNS neurotransmitters are discussed briefly. Noradrenaline. Noradrenergic transmission is important in control of mood (functional deficiency resulting depression) controlling wakefulness, and alertness. Dopamine. Dopamine is important in motor control (Parkinsonism is due to dopamine deficiency), has…