The concept of essential drugs is a fundamental principle in public health and healthcare systems globally. It revolves around the identification, promotion, and accessibility of a limited selection of necessary medications that meet the priority healthcare needs of the population. This comprehensive overview delves into the essential drug concept, its …
DeepakRajput 
Nature and Source of Drugs
Introduction In the context of pharmacology, drugs are substances used to diagnose, treat, mitigate, or prevent diseases. Understanding the nature and sources of drugs is crucial for pharmacologists, clinicians, and researchers to pursue effective and safe therapeutic interventions. This comprehensive exploration delves into the diverse nature of drugs and their …
General Pharmacology: Definition, Historical Landmarks and Scope
Pharmacology is the branch of biomedical science that deals with the study of drugs and their interactions with living organisms. It encompasses a wide range of topics, from the identification and characterization of pharmacologically active compounds to the understanding of their mechanisms of action and the effects they produce in …
Vaginal route
The vaginal route of drug administration involves the introduction of medications into the vagina. This route is mainly used for gynecological and reproductive health purposes and has specific advantages and disadvantages. Here are the key points related to the vaginal route of drug administration: Advantages 1. Local and Systemic Therapy: …
Rectal route
The rectal route of drug administration involves the insertion of medications into the rectum, typically in the form of suppositories or enemas. This route has its advantages and disadvantages and is used for various clinical purposes. Here are the key points related to the rectal route of drug administration: Advantages …
Inhalation route
The inhalation route of drug administration involves the introduction of medications directly into the respiratory system, typically via inhalation devices or nebulizers. This route is used primarily for respiratory medications but can also be employed for systemic drug delivery in some cases. Here are the key points related to the …
Transdermal route
The transdermal drug administration route involves applying medications in the form of patches or topical preparations directly onto the skin’s surface. The drugs are absorbed through the skin and into the bloodstream, providing a controlled, steady release of the medication. This route offers several advantages and disadvantages, making it particularly …
Topical route
The topical route of drug administration involves applying medications directly to the skin or mucous membranes, such as the eyes, nose, ears, or genital areas. This route has several advantages and disadvantages and is commonly used for dermatological, ophthalmic, and otic (ear) medications. Here are the key points related to …
Subcutaneous (SC) route
The subcutaneous (SC) route of drug administration involves injecting medications into the subcutaneous tissue, which is the layer of tissue just beneath the skin. This route is used for various medications and has specific advantages and disadvantages. Here are the key points related to the subcutaneous route of drug administration: …
Intramuscular (IM) route
The intramuscular (IM) route of drug administration involves delivering medications into the muscle tissue using a hypodermic needle. This route has its own advantages and disadvantages and is commonly used for specific medications and clinical situations. Here are the key points related to the intramuscular route of drug administration: Advantages …
