Paradoxical pseudomyotonia in dogs is a rare neuromuscular disorder characterized by transient episodes of generalized muscle stiffness, often triggered by intense exercise. Clinical signs typically appear before two years of age and occur during activities such as running, jumping, or climbing stairs. Episodes are usually brief and reversible, but their severity may vary between individuals. In more severe cases, respiratory involvement with apnea and cyanosis may occur, requiring increased clinical attention. Environmental conditions, particularly extreme temperatures, appear to exacerbate the frequency and severity of episodes.
