Recurrent Clostridioides difficile infection (CDI) presents a growing healthcare challenge worldwide. It is characterized by the reappearance of symptomatic infection within eight weeks following the…
Recurrent calcium renal calculi, commonly referred to as recurring kidney stones, are solid deposits predominantly composed of calcium oxalate or calcium phosphate. These stones form…
Rectal gonorrhea is a sexually transmitted infection caused by Neisseria gonorrhoeae, a Gram-negative diplococcus. It primarily affects the rectal mucosa following receptive anal intercourse or,…
Rectal chlamydia trachomatis infection is a sexually transmitted infection (STI) caused by the bacterium Chlamydia trachomatis, affecting the rectal mucosa. It often results from receptive…
Recrudescent typhus, also known as Brill-Zinsser disease, is a late relapse of epidemic typhus caused by Rickettsia prowazekii. This condition typically arises years after the…
Raynaud's phenomenon is a vascular disorder characterized by episodic constriction of small arteries, leading to reduced blood flow to extremities, primarily fingers and toes. Triggered…
Radiation-induced mucositis is a common and debilitating complication resulting from radiation therapy, especially in the treatment of cancers in areas such as the head, neck,…
Rabies remains one of the most lethal viral infections known to humanity, characterized by a nearly 100% fatality rate once clinical symptoms appear. Vaccination plays…