Rectal Chlamydia Trachomatis Infection
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
R
Recrudescent Typhus
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
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
Rat-Bite Fever
Rat-bite fever is a bacterial infection that can result from a bite or scratch from a rat or other rodent. The condition is rare, but
Rapid Cycling Bipolar Disorder
Bipolar disorder is a mental health condition characterized by extreme mood swings, including episodes of mania and depression. While the disorder is widely recognized, there
Raised Seborrheic Keratosis
Seborrheic keratosis is a non-cancerous (benign) skin tumor that appears as a raised, wart-like lesion. Often characterized by a rough, scaly surface, seborrheic keratosis is
Radiation-Induced Mucositis
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,