What causes leg numbness and weakness?

Nowadays, people's physical condition is getting worse and worse, and few people really pay attention to their bodies. This is mainly because today's life and study are very busy. So even if they feel their legs are often sore, numb and weak, they will not take it seriously. But in fact, this situation mostly occurs among manual laborers. Sometimes they will feel tired all over and can't cheer up at all.

Manual laborers can easily become fatigued if they eat too light a diet because the sodium in salt can enhance the excitability of nerves and muscles.

Lack of sleep can make people feel tired, but people with neurasthenia will also feel weak if they take sleeping pills for a long time. Other drugs that cause fatigue include antihistamines such as diphenhydramine.

People who are addicted to alcohol often feel tired; hungry people also feel weak due to lack of protein and potassium; fatigue and weakness are sometimes prodromal symptoms of vitamin B1 deficiency, and alcoholics are prone to this disease.

Fatigue among people who do physical or mental work is a normal physiological phenomenon, but feeling tired after just a little work is something that needs to be taken seriously.

People who frequently vomit and have diarrhea and use large amounts of diuretics may experience general weakness due to low blood potassium; however, patients with high blood potassium may also feel weak, so blood tests are needed to differentiate between the two.

Diabetes is the most common disease causing fatigue. Due to abnormal glucose metabolism, reduced high-energy phosphate bonds, negative nitrogen balance, water loss and electrolyte imbalance, patients are prone to fatigue, weakness, thirst, weight loss, polyphagia and polyuria.

Anemia also often causes fatigue. Severe cases include chronic anemia, sudden onset iron deficiency anemia, acute hemorrhagic anemia, acute hemolytic anemia, etc. These patients all experience fatigue.

Patients with chronic nephritis also often feel tired and weak, and because they need to eat a low-salt or salt-free diet for a long time, they are prone to potassium deficiency. Therefore, fatigue, insomnia, and low back pain are often their main complaints when they seek medical treatment.

Almost everyone who suffers from colds and various infectious diseases experiences fatigue and weakness. Heart failure patients eat less and take in less magnesium, so the ATP that provides energy cannot be activated, resulting in fatigue.

Many endocrine diseases present with fatigue. Fatigue is the first symptom of patients with hypothyroidism and is also a common symptom in patients with hyperthyroidism.

Sheehan's syndrome caused by shock due to postpartum hemorrhage is mainly manifested by fatigue, amenorrhea, and weight loss, which is due to hypopituitarism. Patients with acromegaly caused by hyperpituitarism also often feel fatigue and weakness in the limbs.