Adipex and gastrointestinal side effects

Anti-obesity treatment by means of Adipex can be accompanied by mild, moderate or in rare cases – severe side effects. In addition, there are short-term and long-term side effects.

Adipex (Phentermine) medication is supplied in tablets or capsules for oral use. Weight loss pills are dissolved and absorbed in the stomach; and therefore they can affect the function of gastrointestinal tract, sometimes causing side effects.

The most common gastrointestinal side effects of Adipex are dry and unpleasant taste in the mouth, stomachache, frequent or difficult defecation and other functional disorders.

Change in taste

A regular use of Adipex diet pills can affect the taste sensations. Food may suddenly cause an unusual taste, or may seem tasteless, less flavored with an unusual consistency

To improve the taste, you may add a little of natural spices and marinades
Instead of hot food try to eat cold dishes, since they can be more flavored
If you feel metallic taste, you may use plastic tableware


It is known that weight loss or anti-obesity therapy with Adipex may be accompanied by difficult defecation.

Constipation can be caused by:

  • Nausea
  • Loss of appetite
  • Lack of fiber in diet
  • Insufficient consumption of water
  • Low level of physical activity

To prevent such Adipex side effect as constipation, you need to drink minimum 2 liters of water a day, move a lot more than usually and eat dishes made of whole grains, brown rice, fresh fruit and vegetables. You can take some laxative means if you want.


New dietary patterns can lead to temporary overload and weakening of organs of the digestive system. This might cause frequent or uncontrolled defecation

To Adipex slimming pills do not cause such inconvenience as diarrhea, it is recommended:

  1. To avoid fruit and vegetable for a while
  2. Refill your water deficiency in the body
  3. Avoid coffee and alcohol
  4. Quit eating dairy, fatty and spicy food

There are some common recommendations that reduce the risk of any Adipex side effects, including the CNS and cardiovascular side effects:

  1. The best time of use – morning
  2. The best way to use – one pill a day maximum
  3. Time interval between two doses is 24 hours

Adipex (Phentermine) 37.5 mg is a maximum recommended dosage per day. Exceeding of this dose does not increase the efficiency of anti-obesity treatment and may cause gastrointestinal side effects.

If usage of this appetite suppressant provokes side effects, then your doctor might recommend to use a minimum dose of Adipex 18.75mg once or twice daily

In this case, you need to buy Adipex (Phentermine) tablets. Unlike capsules, tablets have a special breaking notch allowing you to divide it into two equal doses of 18.75mg each. Please note that Adipex capsules must not be chewed or crushed.