Biologicals: Definition, types, and indications of biological agents with examples

Biologicals, often referred to as biologics, are pharmaceutical products derived from living organisms or containing components of living organisms. These products can include vaccines, blood or blood components, allergenics, somatic cells, gene therapies, tissues, and recombinant therapeutic proteins. Unlike traditional chemical drugs, which are synthesized through chemical processes, biological drugs …

Anti-neoplastic Drugs: Classification, Dose, Indications, and Contraindications

Definition: Anti-neoplastic agents, also known as anti-cancer or chemotherapy drugs, are medications used to treat various types of cancer. These drugs work by targeting and destroying cancer cells or inhibiting their growth and proliferation, thereby slowing down or stopping the progression of cancerous tumors. Classification of Anti neoplastic Drugs Anti-neoplastic …

Anti-malarial Drugs: Classification, Dose, Indications, and Contraindications

Definition: Anti-malarial agents are medications used for the prevention and treatment of malaria, a potentially life-threatening infectious disease caused by parasites of the genus Plasmodium (Plasmodium falciparum, Plasmodium vivax, Plasmodium malariae, and Plasmodium ovale.), which are transmitted to humans through the bite of infected Anopheles mosquitoes. Classification of Anti-malarial Drugs …

Antihelmintics Drugs: Classification, Dose, Indications, and Contraindications

Definition: Anthelmintics are a class of medications used to treat infections caused by parasitic worms, also known as helminths. These parasites can infect various parts of the body, including the intestines, lungs, liver, and other tissues. Anthelmintics work by either killing the worms outright (vermicidal) or by paralyzing them, allowing …

Anti-amoebic agents: Classification, Dose, Indications, and Contraindications

Definition: Anti-amoebic agents are medications used to treat infections caused by amoebas, which are single-celled parasites belonging to the phylum Amoebozoa. These drugs target the parasite’s metabolic pathways, cell structures, or reproductive processes to eliminate or suppress their growth within the host organism. Classification of Anti-amoebic Agents: Anti-amoebic agents are …

Anti-Viral Drugs: Classification, Dose, Indications, and Contraindications

Definition: Anti-viral drugs are a class of medications designed to treat viral infections by inhibiting the replication of viruses within the body. Unlike antibiotics, which are effective against bacteria, antiviral drugs specifically target viruses and can be used to manage a variety of viral illnesses. Classification of Antiviral Drugs Antiviral …

Anti-fungal Drugs: Classification, Dose, Indications, and Contraindications

Definition: Anti-fungal drugs are medications used to treat fungal infections. Fungal infections can affect various parts of the body, including the skin, nails, hair, mucous membranes, and internal organs. Anti-fungal drugs work by targeting specific aspects of fungal cell structure or metabolism, inhibiting fungal growth and reproduction. Classification of Anti-fungal …

Anti-tubercular: Classification, Dose, Indications, and Contraindications

Definition: Anti-tubercular drugs are medications used in the treatment of tuberculosis (TB), a bacterial infection caused by Mycobacterium tuberculosis. These drugs work by inhibiting the growth and replication of the bacteria, thus helping to eliminate the infection from the body. Treatment typically involves a combination of several anti-tubercular drugs to …

Sulphonamides: Classification, Dose, Indications, and Contraindications

Definition: Sulphonamides, also known as sulfonamides, are a class of synthetic antimicrobial agents that inhibit the growth of bacteria by interfering with the synthesis of folate, a vital nutrient for the bacteria. They work by competitively inhibiting the enzyme dihydropteroate synthase, which is involved in the bacterial synthesis of folate. …

Tetracyclines: Classification, Dose, Indications, and Contraindications

Definition: Tetracyclines are a group of broad-spectrum antibiotics that belong to the class of polyketides. They are derived from Streptomyces bacteria and are characterized by a four-ring structure. Tetracyclines exert their antibacterial effects by inhibiting protein synthesis in bacteria, binding to the 30S ribosomal subunit, thereby preventing the attachment of …

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