🔍 Introduction Atorvastatin is a widely used lipid-lowering agent that belongs to the class of HMG-CoA reductase inhibitors, commonly known as statins. It is one of the most prescribed drugs worldwide due to its effectiveness in lowering LDL cholesterol and reducing cardiovascular risk. It plays a major role in: Because of its clinical importance and … Read more
🔍 Introduction Escitalopram is a widely prescribed antidepressant belonging to the class of Selective Serotonin Reuptake Inhibitors (SSRIs). It is the S-enantiomer of citalopram and is considered one of the most selective SSRIs available. Escitalopram is mainly used to treat: Due to its clean pharmacological profile and importance in psychiatry, Escitalopram is frequently tested in … Read more
Introduction Paracetamol (also known as Acetaminophen) is one of the most commonly used drugs for fever and mild-to-moderate pain. Unlike NSAIDs, it has minimal anti-inflammatory action and does not cause gastric irritation. It is classified as: Despite its widespread use, its exact mechanism of action has long been debated and is often misunderstood—making it a … Read more
Introduction Methotrexate is a cornerstone drug in both anticancer chemotherapy and immunosuppressive therapy. Structurally, it is a folic acid antagonist and functions as an antimetabolite. It is widely used in: Due to its dual role in oncology and immunology, Methotrexate is a high-yield topic in exams like GPAT, NIPER, NEET-PG, NCLEX, and essential for PharmD, … Read more
Introduction Aspirin, also known as acetylsalicylic acid, is a widely used Non-Steroidal Anti-Inflammatory Drug (NSAID). It’s primarily known for its analgesic (pain-relieving), antipyretic (fever-reducing), anti-inflammatory, and antiplatelet actions. Belonging to the salicylate class, Aspirin is often prescribed for: Due to its clinical importance and frequent exam presence, understanding its mechanism of action is essential for … Read more
🔬 What Are Antitubercular Drugs? Antitubercular drugs are antibiotics specifically used to treat tuberculosis. They work by either killing actively growing mycobacteria or inhibiting bacterial protein and cell wall synthesis. TB treatment typically involves multiple drugs over 6 to 9 months, depending on the stage and resistance profile. 📊 Standard Classification of Antitubercular Drugs 🧪 … Read more
🔬 What Are Cephalosporins? Cephalosporins are bactericidal antibiotics, meaning they kill bacteria by inhibiting cell wall synthesis. They are used to treat a wide range of infections including respiratory tract infections, urinary tract infections, skin infections, and more. Over time, cephalosporins have been divided into generations based on their spectrum of activity. Newer generations have … Read more
What Are Sulfonamides? Sulfonamides, also known as sulfa drugs, are among the oldest classes of synthetic antimicrobial agents. They work by inhibiting folic acid synthesis in bacteria, which is essential for DNA replication and cell survival. They are bacteriostatic, meaning they stop bacteria from growing rather than killing them directly. Classification of Sulfonamides Sulfonamides are … Read more
Classification Based on Mechanism of Action Antibacterial drugs are mainly classified by how they act inside the body. Each group targets a different part of the bacteria. Let’s look at classification of antibacterial drugs A. Drugs That Inhibit Cell Wall Synthesis These drugs stop bacteria from building their cell wall. Without a wall, bacteria die … Read more
What Are Targeted Anti-Cancer Drugs? Targeted drugs act on specific parts of cancer cells. These drugs block the signals that cancer cells use to grow or divide. They don’t harm most normal cells. This makes them safer than traditional chemotherapy, here’s the classification of anticancer drugs for Targeted Anti-Cancer Drugs : Tyrosine Protein Kinase Inhibitors … Read more
