Rickettsial infection refers to a group of zoonotic diseases caused by obligate intracellular Gram-negative bacteria of the genus Rickettsia and related organisms. These pathogens are…
Rickets is a pediatric skeletal disorder resulting from defective mineralization of the growth plates due to prolonged deficiency of vitamin D, calcium, or phosphate. The…
Riboflavin, also known as vitamin B2, is a water-soluble vitamin critical to numerous cellular processes. It acts as a precursor to flavin mononucleotide (FMN) and…
Rhinorrhea, commonly known as a runny nose, is characterized by excessive nasal discharge. It may present as a watery, mucoid, or purulent fluid and can…
Rhinocerebral phycomycosis, also referred to as rhinocerebral mucormycosis, is a fulminant, angioinvasive fungal infection predominantly caused by fungi of the order Mucorales, especially Rhizopus species.…
Rhinitis is the inflammation of the nasal mucosa, a condition characterized by symptoms such as nasal congestion, rhinorrhea (runny nose), sneezing, and itching. This widespread…
Treating rheumatoid arthritis (RA) in patients with an elevated risk of gastric ulcers presents a significant clinical challenge. These patients require anti-inflammatory therapy to control…
Rheumatoid arthritis (RA) is a chronic, systemic autoimmune disorder primarily affecting synovial joints. Unlike osteoarthritis, which results from wear and tear, RA is characterized by…
Rheumatic fever (RF) is a serious inflammatory condition that arises as a delayed autoimmune response to untreated or inadequately treated Group A streptococcal (GAS) pharyngitis.…
Rheumatic fever is an autoimmune inflammatory disease that can develop after an untreated or inadequately treated Group A streptococcal (GAS) pharyngitis, commonly known as strep…