While the cause of this condition is yet to be discovered by science, it is thought to be caused by a weak immune system. There are many things you can do to boost your immune system, starting with your diet. It is important to eat a balanced diet that is rich with fruit, vegetables, and whole grains. Drinking clean water and avoiding alcohol and sodas or carbonated beverages is also very important.
Some herbs that can be helpful are dandelion root, valerian, olive leaf extract, licorice, and Echinacea. Some additional things that might be helpful are silver solution and aloe vera gel (get it in 100% pure form without any additional ingredients), drinking a mixture of these two thing is a great immune system booster. It is important make sure you get plenty of rest and try to avoid stress as much as possible. Adding vitamin B complex supplementation and vitamin C to your diet may also be helpful in treating this problem. If the problem persists, you should seek the help of a competent natural health specialist so that you can be tested for things like anemia, thyroid disorders, and diabetes as all of these can be causes of this disorder.
answered by R P