Infantile hemiparesis is a condition characterized by weakness or paralysis on one side of the body in infants. It is typically caused by damage to the brain, such as a stroke, infection, or brain malformation. Symptoms may include difficulty using one side of the body, delays in motor development, and abnormal muscle tone. Early intervention with occupational and physical therapy is crucial to promote motor function and improve overall development. Treatment may also involve medication and other supportive therapies tailored to the specific needs of each child.