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,…
Rabies Vaccination
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…
Rabies Postexposure Prophylaxis
Rabies postexposure prophylaxis (PEP) is an urgent, life-saving intervention administered to individuals exposed to the rabies virus. Given the nearly 100% fatality rate of symptomatic…