First, read the English article below.

No matter what you do, you should always consult your doctor if you feel you should stop taking Effexor. While you might feel better or even need to discontinue the pills because of pregnancy or another condition, going off Effexor cold turkey can have serious consequences. Talking to your doctor can help you make an informed decision about alternative treatments or quitting Effexor altogether.  Avoid stopping or tapering off Effexor until you speak to your doctor. Continue to follow the instructions your doctor gave you when he or she prescribed the medication. Tell your doctor the reasons why you want stop Effexor. Make sure you are completely honest about your reasons so that your doctor can consider the best treatment options for you. You may have a wide variety of reasons why you want to go off Effexor from feeling better to pregnancy or breastfeeding and other drug interactions.  Make sure to listen to your doctor’s suggestions. Ask questions if you have them, including the benefits and risks to stopping the drug as well as if there are alternatives to the doctor’s suggestions. No matter how long you’ve been taking Effexor, give yourself plenty of time to stop the drug. Although it’s tempting to just stop altogether, this can cause difficult and uncomfortable withdrawal symptoms and may make you feel worse. Depending on your dosage, you’ll need to give yourself anywhere from one week to several months to stop taking Effexor. Based on your condition and dosage, your doctor can help you formulate a rough estimate of the time you’ll need to stop taking Effexor. You’ll need to reduce your dosage of Effexor slowly. There are no hard and fast rules of how best to plan your taper other than to work with your doctor to individualize it to you and your body. This means that you how much you reduce your doses and the at which interval you do so can vary greatly depending on factors such as how you feel and withdrawal symptoms. Consult your doctor about your taper plan to see if it is feasible for you.  Take one... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Đến gặp bác sĩ. Không vội vàng. Lên kế hoạch giảm liều lượng thuốc. Chia nhỏ viên thuốc. Theo dõi biểu hiện của bạn. Ngừng giảm liều lượng thuốc nếu cần thiết. Giữ liên lạc với bác sĩ.