“Pharmacology-I covers the basic principles of drug action, pharmacokinetics, pharmacodynamics, and the autonomic nervous system, forming the foundation of therapeutic science in pharmacy.”
Antimanics, also known as mood stabilizers, are a class of medications primarily used to treat bipolar disorder, a mental health condition characterized by episodes of mania or hypomania alternating with episodes of depression. These medications help stabilize mood fluctuations and prevent or reduce the severity of manic or depressive episodes. Classification of Antimanics Antimanics can…
Anti-anxiety agents, also known as anxiolytics or tranquilizers, are medications used to treat anxiety disorders and related conditions by reducing feelings of anxiety, tension, and nervousness. They can provide symptomatic relief for acute episodes of anxiety or be used on a more long-term basis to manage chronic anxiety symptoms. Classification of Anti Anxiety Agents Anti-anxiety…
Antidepressants are a class of medications primarily used to treat depression and other mood disorders. They work by modulating the levels of neurotransmitters in the brain, particularly serotonin, norepinephrine, and dopamine, which are believed to play a role in regulating mood, emotions, and stress responses. Classification of Antidepressants Antidepressants are categorized into several main classes…
Antipsychotics, also known as neuroleptics, are a class of medications primarily used to manage psychiatric conditions characterized by psychosis, such as schizophrenia, bipolar disorder, and certain types of depression. They work by modulating neurotransmitter activity in the brain, particularly dopamine, serotonin, and sometimes other neurotransmitters, to alleviate symptoms such as hallucinations, delusions, and disorganized thinking….
Drugs Used in Glaucoma: Glaucoma refers to a group of eye disorders characterized by damage to the optic nerve, often associated with increased intraocular pressure (IOP), which can lead to vision loss and blindness if left untreated. Management of glaucoma primarily involves the use of medications aimed at lowering IOP to prevent further damage to…
Myasthenia gravis (MG) is an autoimmune neuromuscular disorder characterized by muscle weakness and fatigue, typically resulting from antibodies targeting the acetylcholine receptors (AChR) at the neuromuscular junction. Treatment of MG primarily involves the use of medications aimed at improving neuromuscular transmission and reducing symptoms. Here’s a detailed note covering the definition, classification, pharmacological actions, dosage,…
Local anesthetic agents are medications used to induce reversible loss of sensation in a specific area of the body, without causing loss of consciousness. They are widely employed in various medical procedures to alleviate pain and discomfort. Here’s a detailed note covering their definition, classification, pharmacological actions, doses, indications, and contraindications: Definition: Local anaesthetics…
Neuromuscular blocking agents (NMBAs) and skeletal muscle relaxants (peripheral) are classes of drugs used to induce muscle relaxation in surgical and critical care settings. They act at the neuromuscular junction to inhibit or block the transmission of nerve impulses from motor neurons to skeletal muscle fibres, leading to paralysis or relaxation of skeletal muscles. These…
Sympatholytic, adrenergic blockers, or adrenergic antagonists Sympatholytic, also known as adrenergic blockers or adrenergic antagonists, are a class of drugs that inhibit the actions of the sympathetic nervous system by blocking adrenergic receptors. These receptors are targets for the neurotransmitters adrenaline (epinephrine) and noradrenaline (norepinephrine), and their activation leads to various physiological responses associated with…
Sympathomimetics: Adrenaline (epinephrine) and noradrenaline (norepinephrine) are hormones and neurotransmitters that play essential roles in the body’s response to stress and danger. 1. Adrenaline (Epinephrine): Adrenaline is a hormone produced by the adrenal glands in response to stress, excitement, or danger. It helps prepare the body for physical exertion or intense situations by increasing heart…
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