One of the most thought after and effective weight loss medicines taken under prescription are Phentermine. The medication is usually prescribed only to those who have a BMI of more than 30. When coupled with an improved lifestyle, the appetite suppressing nature of this particular drug works the best.
Being used and sold as a controlled substance in most countries in the world, this drug is usually given only to those who are at an aggravated risk of medical problems arising out of obesity. It is worth noting that this type of drug should only be taken if a person has become obese due to non-medical reasons and not due to known medical conditions such as hypothyroidism.
Most of the side effects associated with Phentermine are visible only when it is taken in more than prescribed quantities and when the drug abuse is unchecked. Due to energy stimulating property of this drug, it is known to cause insomnia. It is also known to cause dryness in mouth due to some of its properties.
Tiredness, lack of sexual appetite and changes in sexual orientation may also be caused by excessive uses of this type of drug. Apart from these side effects, Diarrhea, acid reflux, itching, skin rashes and headaches are some of the other most commonly experienced side effects associated with this drug in general.
This drug may also cause reactions in the brain, impairing the power to think or see, much like alcohol. Therefore, one should not use this particular drug in situations involving driving and while taking critical decisions. As a final tip off, alcohol should, under all circumstances, be avoided with Phentermine as it can aggravate some of the side effects to mammoth proportions.