What Are The Symptoms Of Polio?

Muscle Aches And Weakness

Muscle aches and weakness are symptoms of polio that occur once the virus has launched its attack on an individual's nervous system. Symptoms produced by this process can last anywhere from four days to five weeks. The symptom of muscle weakness refers to the inability of an individual to produce a muscle movement while exerting their maximum effort to do so. Muscle weakness can be unique in those affected by polio because it is often not accompanied by loss of sensation. Muscle aches, back pain, and neck stiffness typically occur before the patient's muscle weakness sets in. Muscle weakness reaches its peak within forty-eight hours of its onset, but it can last for over a week. Muscle weakness caused by polio manifests with greater severity in the patient's lower limbs than in their upper limbs. Muscle weakness is known to occur asymmetrically, with varying degrees of weakness in different regions of the body.

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