Phentermine is generally used under close supervision of a doctor and is prescribed for those who are obese. It is used along with a very rigorous doctor initiated weight loss program which will also include diet restrictions, exercise programs and behavior change. It is usually only prescribed in cases when an obese person has not been able to lose weight by exercise and diet alone. Generally, it is used to help lose weight to avoid common health risks that are associated with obesity such as diabetes, high blood pressure and heart disease. The medical world is not completely certain how this drug actually works but it is thought that is possibly decreases the appetite while increasing the energy level. It is considered an appetite suppressant.
This medication is usually taken for only short term use over just a few weeks. The appropriate dosage will be set by the attending physician. Make sure to take it exactly as prescribed by the physician.
There are some side effects associated with taking Phentermine. Some have reported dizziness, insomnia, vomiting, nausea, constipation, diarrhea and dry mouth. It is important to note that the physician likely prescribed the use of this medication because there were greater risks possible from obesity than those that might occur from taking this particular medication. There are some potentially dangerous side effects that have been associated with this drug. They are very rare, but occasionally some have experienced severe headaches, seizures, weakness on one side of the body, slurred speech and blurred vision. Experiencing any of these side effects necessitates immediate medical intervention.
Some side effects can be fatal but these are infrequent and are usually only associated with long term use of Phentermine. If you have chest pain, decreased ability to exercise, swelling of the feet or difficult to breathe while exercising discontinue its use and contact your doctor immediately.