Zollinger-Ellison Syndrome
Zollinger-Ellison Syndrome (ZES) is a rare but serious disorder characterized by the formation of gastrin-secreting tumors, known as gastrinomas, primarily in the pancreas or duodenum.…
Zinc Deficiency
Zinc is an essential trace mineral that supports hundreds of physiological functions, from immune response and wound healing to cellular metabolism and DNA synthesis. Zinc…
Zidovudine-Induced Anemia
Zidovudine (AZT), a nucleoside reverse transcriptase inhibitor (NRTI), was the first antiretroviral drug approved for the treatment of HIV. While effective in suppressing viral replication,…
Zaire Ebolavirus Vaccination
Zaire ebolavirus, the most lethal species of the Ebola virus, poses a significant threat to global public health due to its high mortality rate and…
Zaire Ebolavirus Infection
Zaire ebolavirus, a member of the Filoviridae family, is one of the most virulent pathogens responsible for Ebola Virus Disease (EVD), a severe and often…
Yersinia pseudotuberculosis Infection
Yersinia pseudotuberculosis is a Gram-negative, facultative anaerobic bacterium belonging to the Enterobacteriaceae family. It is a zoonotic pathogen, primarily affecting wild and domestic animals, but…
Yellow Fever Vaccination
Yellow fever is a life-threatening viral hemorrhagic disease transmitted by infected mosquitoes, primarily Aedes and Haemagogus species. Endemic to parts of Africa and South America,…
Xerostomia Secondary to Sjögren’s Syndrome
Xerostomia secondary to Sjögren’s syndrome is a hallmark manifestation of this chronic, systemic autoimmune disease, which primarily targets exocrine glands, especially the salivary and lacrimal…
Xerostomia Secondary to Radiation Therapy
Xerostomia secondary to radiation therapy refers to persistent dry mouth resulting from damage to salivary glands caused by therapeutic ionizing radiation, particularly during head and…
Xerostomia
Xerostomia, commonly known as dry mouth, is a condition marked by reduced or absent saliva flow. It significantly impacts oral and systemic health, leading to…
