Top 4 best weight loss diet pills with prescription
Prescription weight loss drugs are approved only for those with a BMI of 30 and above, or 27 and above if they have other risk factors, such as high blood pressure or diabetes. On average, individuals who use prescription weight loss drugs lose about 5 percent to 10 percent of their original weight, though some will lose less and some more.
1. Xenical
Approved by the FDA in 1999, Xenical is the first in a new class of anti-obesity drugs known as lipase inhibitors. Over a two year period, two groups of patients were given the same low fat diet. One group was administered Xenical and one was administered a placebo. By the end of the first 12 weeks of the study, 37% of the Xenical patients had lost 5% of their body weight compared with only 19% of patients on the placebo.
At the end of one year, 20% of Xenical patients had lost 10% of their body weight compared with only 8% of patients being administered a placebo. The main side effects are cramping, diarrhea, flatulence, intestinal discomfort, and leakage of oily stool.
2. Phentermine
Phentermine is only an appetite suppressant diet pill. It is popular although it may cause many dangerous side effects. According to the user reports, Phentermine successfully reduce 4 - 5 pounds per month.
Unfortunately, Phentermine can be highly addictive just as illegal amphetamines have been known to be, and frankly it comes with many of the same side effects. It may cause diarrhea, constipation, or painful headache. Phentermine was banned from the internet world so you can only buy it from conventional store and it has been banned in the UK.
3. Bontril
Bontril is a sympathomimetic drug that is classified as an anorexigenic – it functions as an appetite suppressant. Bontril is only available in 8-12 week prescriptions to the extremely obese. The fact that it will help you lose weight is undisputed, however, it has the powerful side effects. The most common side effect found with Bontril is its ability to cause insomnia in many of the patients that take it.
4. Meridia
Approved by the FDA in 1997, increases the levels of certain brain chemicals that help reduce appetite. You can expect to lose 4 pounds in 4 weeks, or 1 pound a week.
In late 2009, the FDA has been called to ban the drug for its potential life-threatening risks. Because it may increase blood pressure and heart rate. Other common side effects of Meridia include headache, dry mouth, constipation and insomnia.
