There are many reasons that can cause the symptoms of weakness of limbs, mainly according to the cause of the symptoms, pay attention to rest, caused by potassium deficiency, you can take potassium chloride and a series of treatment measures, the specific causes can be divided into pathologic and physiologic, according to the cause of the disease should be dealt with accordingly. 1. Pathological: some diseases can cause symptoms of weakness of limbs and panic, such as hypokalemia, which can be treated with oral potassium chloride. Arrhythmia such as atrial fibrillation can also cause the above symptoms, and can be restored by electrical cardioversion or amiodarone. 2. Physiological: poor rest, overwork or mental anxiety and nervousness and other emotional changes can also cause corresponding symptoms, at this time should avoid overwork, adjust the sleep, rest and work routine, change the bad mood can be. It is recommended that patients should go to a regular hospital if they have any discomfort, complete the relevant examinations and follow the doctor’s instructions for treatment.