Harsh Singh Rajput

I am pursuing MBA in pharmaceutical management from NIPER Hyderabad with a strong academic record and proven success in national-level pharmacy entrance exams. I secured AIR 61 in NIPER 2024 (MS/M.Pharm) and AIR 27 in NIPER MBA, along with AIR 147 in GPAT 2024 and AIR 907 in GPAT 2023. I also achieved AIR 6 in AIIMS CRE-2025 for Drug Store Keeper and was selected as a Pharmacist (AIR 61) for ESIC. Additionally, I was the Runner-Up in Round 2 of the EY Case Study Competition. At PharmacyFreak.com, I aim to guide future pharmacists through expert content, exam strategies, and insightful resources based on real experience and academic excellence. Mail- harsh@pharmacyfreak.com

Rifampicin Chemical Structure

October 17, 2025 by Harsh Singh Rajput

Rifampicin chemical structure (ansamycin rifamycin), 2D skeletal formula, C43H58N4O12

1. Identification Summary Rifampicin (USAN: rifampin) is an ansamycin antibiotic that inhibits bacterial DNA-dependent RNA polymerase; first-line for … Read more

Codeine Chemical Structure

October 17, 2025October 17, 2025 by Harsh Singh Rajput

1. Identification Summary Codeine is a naturally occurring phenanthrene (morphinan) opioid used as an analgesic and antitussive; a … Read more

Mechanism of Action of Anticonvulsant Drugs

October 16, 2025 by Harsh Singh Rajput

MOA of Anticonvulsant Drugs

Introduction Anticonvulsant drugs, also called antiepileptic drugs (AEDs), are agents that suppress abnormal electrical discharges in the brain … Read more

Mechanism of Action of Anticoagulant Drugs

October 16, 2025 by Harsh Singh Rajput

MOA of Anticoagulant Drugs

Introduction Anticoagulants are blood-thinning agents that prevent the formation and extension of blood clots (thrombi) in the vascular … Read more

Fluoxetine Chemical Structure

October 16, 2025 by Harsh Singh Rajput

Fluoxetine chemical structure (SSRI), 2D skeletal formula, C17H18F3NO

1. Identification Summary Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) indicated for major depressive disorder, obsessive–compulsive disorder, … Read more

Benzene Chemical Structure

October 16, 2025 by Harsh Singh Rajput

Benzene chemical structure, aromatic ring, 2D skeletal formula, C6H6

1. Identification Summary Benzene is an aromatic hydrocarbon (C₆H₆) consisting of a planar six-membered ring with delocalized π … Read more

Metronidazole Chemical Structure

October 16, 2025 by Harsh Singh Rajput

Metronidazole chemical structure (nitroimidazole), 2D skeletal formula, C6H9N3O3

1. Identification Summary Metronidazole is a nitroimidazole antibacterial/antiprotozoal used systemically and topically for susceptible anaerobic infections and select … Read more

Prednisolone Chemical Structure

October 16, 2025 by Harsh Singh Rajput

Prednisolone chemical structure (glucocorticoid), 2D skeletal formula, C21H28O5

1. Identification Summary Prednisolone is an intermediate-acting glucocorticoid used for inflammatory, allergic, autoimmune, and neoplastic conditions; it is … Read more

Mechanism of Action of Anticholinergic Drugs

October 14, 2025 by Harsh Singh Rajput

MOA of Anticholinergic Drugs

Introduction Anticholinergic drugs, also known as parasympatholytic agents, inhibit the actions of the neurotransmitter acetylcholine (ACh) at muscarinic … Read more

Azithromycin Chemical Structure

October 14, 2025 by Harsh Singh Rajput

Azithromycin chemical structure (azalide macrolide), 2D skeletal formula, C38H72N2O12

1. Identification Summary Azithromycin is a 15-membered azalide macrolide antibiotic indicated for susceptible infections across respiratory, skin/soft-tissue, sexually … Read more