First, read the English article below.

Visit your doctor to determine what is causing your vertigo. Vertigo is often related to two inner ear disorders known as benign paroxysmal positional vertigo (BPPV) and Méniére's disease, but it could be a number of other conditions. Don't try to treat yourself for BPPV or Méniére's disease unless you've received a diagnosis and are certain that's what you have. Treatments for these disorders won't work to mitigate vertigo caused by other underlying issues. Here are a few other conditions that may lead to vertigo:  Other inner ear disorders such as vestibular neuritis or labyrinthitis Head injuries and ear injuries Migraine headaches Decreased blood flow in the arteries that supply blood to the vein Brain tumors Stroke Complications from drinking alcohol or taking medications You'll need to figure out which ear is causing the problem, since the treatment you get may be different depending on which side is affecting you.  Pay attention to when you get dizzy. If you get dizzy when you roll to the right in bed, then it's probably your right ear that's affecting you.  If you can't figure out which ear is causing the problem, ask your doctor. The Epley maneuver is a series of head movements that return the crystals that have come loose in your inner ear to the right place. The Epley maneuver can be easily performed by a physician without any special equipment. The Epley maneuver is an effective treatment for BPPV when it is performed properly.  Once your doctor shows you how to do the Epley maneuver, you can do it on  your own at home next time you get vertigo. You may watch videos online to learn the different head adjustments to make. Stabilize your neck for the 48 hours after doing the Epley maneuver. Don't do the Epley maneuver if you aren't sure you have BPPV. If you have an underlying problem, you need to make sure you get the proper treatment. You can relieve symptoms and decrease the frequency of episodes of vertigo caused by this inner ear disorder by controlling your body's fluid retention. Try the... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Chẩn đoán. Hãy gặp bác sĩ để xác định xem bên tai nào là nguyên nhân gây ra chóng mặt. Thử tập bài tập Epley nếu bạn bị chóng mặt tư thế kịch phát loại nhẹ. Điều hòa dịch trong cơ thể để điều trị bệnh Méniére. Phẫu thuật. Kê cao đầu khi ngủ. Không nên để đầu thấp hơn vai. Tránh kéo căng cổ. Tránh các chuyển động đột ngột. Dùng gừng. Bỏ thuốc lá. Kiểm tra mắt.