Archives: Drug Cards

Xermelo Xermelo (generic: xeremonib) is a next‑generation epidermal growth factor receptor (EGFR) kinase inhibitor approved for advanced non‑small‑cell lung cancer (NSCLC) harboring the T790M resistance mutation following first‑ or second‑generation…

Xeomin Xeomin (incobotulinumtoxinA) is a recombinant, purified botulinum neurotoxin type A used for aesthetic and medical indications. It contains only the active neurotoxin complex, which reduces the immunogenic potential and shortens…

Xenical Xenical (Orlistat) is a lipase‑inhibitor approved for chronic weight management in obese patients. It reduces dietary fat absorption by blocking pancreatic lipase activity, leading to decreased caloric intake from…

Xenazine Xenazine is a recently approved, orally administered selective serotonin reuptake inhibitor (SSRI) with added norepinephrine reuptake inhibition (SNRI‑like activity). It is often chosen for patients who convert poorly to…

Xelstrym Mechanism of Action Xelstrym is a novel orally active antiepileptic that: Acts as a high‑affinity GABA_B receptor agonist, potentiating inhibitory neurotransmission. Exhibits partial antagonism at the NMDA receptor (NMDAR),…

Xeloda (Capecitabine) An oral pro‑drug of 5‑fluorouracil (5‑FU) commonly used in solid‑tumor oncology. Mechanism of Action Prodrug activation – Xeloda is metabolized intracellularly to 5‑FU in a catalytic, dose‑dependent manner.…

Xeljanz Xeljanz (generic tofacitinib) is a Janus kinase (JAK) inhibitor approved for the treatment of several autoimmune disorders. This drug card provides essential information for medical students and clinicians, prioritizing…

Xcopri Xcopri (extended‑release naltrexone; 380 mg pre‑filled syringe) is an injectable opioid antagonist approved for the maintenance treatment of opioid dependence in patients who have successfully detoxified from opioids. --- Mechanism…

Xarelto Mechanism of Action Xarelto (rivaroxaban) is a direct Factor Xa inhibitor. It selectively and reversibly blocks the active site of Factor Xa, thereby inhibiting the conversion of prothrombin to…

Xanax XR Xanax XR (alprazolam extended‑release) is a benzodiazepine indicated for the management of generalized anxiety disorder in patients requiring prolonged, steady therapeutic levels. Mechanism of Action Benzodiazepine binding to…