Phentermine drug is primarily used for weight loss and this appetite suppressant work as an energy booster and mood elevation as well, but the regular use of this weight loss medication may lead the individuals towards side effects. Some of these are unpleasant and lethal however these are very rare but some adverse effects are often and common that includes dizziness, nausea, changes in gustatory, constipation, insomnia, and anxiety.

The gustatory change is the condition of being tasteless because Phentermine alters your taste buds and sense of flavors; you cannot feel the taste of the food or anything.

In general, Phentermine side effects may last in your body for a few days only so need to concern about it. However, it is better to combat the side effects of Phentermine. Hence, follow the below list which illustrates the side effects of the medication and the combat methods.


Basically, this Phentermine medicine is a stimulant, there is no supervise that might keep you up at night and cause sleep disorders and one among that is insomnia. Therefore, to sort out insomnia, we should intake the Phentermine pills early in the morning before breakfast and never take it after 5 pm. In case, it is necessary to this weight loss pill at night, then lower your dose and consume it. Sleeping disorders are fatal so if you are struggling with the sleep problem, then right away take the treatment.

Dry mouth

Dry mouth is probably the most common Phentermine side effect and it promotes the sensation of insatiable thirst in your mouth. If you are affected with dry mouth, then it can cause ulcers, sore gums, tooth decay, and even bad breath. Along with that it would desensitize your taste buds and alters the taste of food i.e., fish tastes like popcorn. However, you can combat your dry mouth by drinking a lot of water or else eat fresh fruits through the day; it would stimulate your salivary glands in order to increase the saliva. Therefore, always keep a water bottle along with you and drink the water as much as you can.


Majority of the people notice that the use of Phentermine causes both the dry mouth and constipation together so that, follow some tips to combat this side effect. Before the intake of Phentermine, you should be well hydrated or else it would cause dry mouth as well as constipation. Hence it is suggested to drink 8 liters of water in a day, and stay away from the certain food items such as colas, coffee, refined sugar, and alcohol because these items may cause difficulty in bowel movement. And take food which contains high fiber in it such as fruits, vegetables, beans, and whole grain to get away from constipation.


Dizziness is typically caused by lack of enriching vitamins in the food and along with dehydration is also one of the major factors for dizziness. Thereby, eating rich vitamin food and drinking lots of water would help you to avoid dizziness. In addition, when you experience nausea, then it can be combated by taking mint or ginger tea.