Landry's Paralysis is a rare neurological disorder that affects the spinal cord. It can cause muscle weakness, paralysis, and sensory loss in the arms, legs, and trunk. There are a few synonyms for Landry's Paralysis, including Acute Ascending Paralysis and Guillain-Barre Syndrome. Acute Ascending Paralysis describes the sudden onset of paralysis that begins in the lower limbs and ascends upwards. Guillain-Barre Syndrome is an autoimmune disorder that causes a similar pattern of paralysis and sensory loss but involves the peripheral nervous system. These synonyms are often used interchangeably with Landry's Paralysis to describe the same condition. Treatment typically involves supportive care, such as mechanical ventilation, and immunotherapy.