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Step 1
Speak with your doctor. Phentermine is neither a diet pill nor a "magic" pill that melts away fat. Instead, it is a powerful medication that should be used for people who are seriously overweight and need to undergo weight loss for health reasons. Have a frank conversation with your doctor about your weight and health so you can get medical advice about Phentermine before you start to take it.
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Step 2
Be aware of the side effects. Like all prescription drugs, Phentermine has a number of side effects that you need to be aware of. Some of the less serious side effects include an upset stomach, blurred vision and sleeplessness. However, for people that have blood pressure or preexisting heart conditions, Phentermine might present a danger. So, in your conversation with your doctor be sure to touch on the health risks of taking the drug.
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Step 3
Develop an overall weight loss program. Phentermine is not supposed to be a weight loss cure-all. Instead, it's a tool to help you deal with your appetite as you change your eating habits. So, start out with a plan that will help you achieve gradual weight loss. Integrate Phentermine into the plan as a way to get you started and keep you going for the first few weeks.
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Step 4
Take the drug for the prescribed amount of time. Phentermine is designed to be used only for a limited amount of time. As you continue to take the drug your body builds a resistance to its effects. You should take Phentermine for the prescribed length of time, using it to help you boost yourself to a healthy, slim body lifestyle, instead of depending on it to lose weight.
