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Phentermine
Average User Rating:
Phentermine, 3 / 5 (7 votes)

Phentermine Side Effects

Phentermine bottle and pills

Serious Side Effects of Phentermine

  • high blood pressure
  • migraine
  • slurring of speech
  • seizure
  • feeling weak on one side of the body
  • changes in mood- feeling extremely happy or upset
  • depression thoughts of suicide
  • vision changes
  • hallucinating
  • uncontrollable muscle movements, twitching
  • increase in heart rate
  • changes in desire or ability to have sex
  • allergic reaction: rash or hives, swelling of face, mouth, tongue or throat, and difficulty breathing

Common Side Effects of Phentermine

  • feeling dizzy
  • lack of saliva, dry mouth
  • trouble sleeping
  • agitation
  • unpleasant taste in mouth
  • upset stomach, nausea or vomiting
  • diarrhea or constipation

Signs of a Withdrawal caused by Phentermine

If you take phentermine for an extended period of time or at high doses, you may become dependent on this medication. The following side effects may be symptoms of a withdrawal and you should call your doctor if you experience:
  • depression
  • anxiety
  • extreme fatigue
  • agitation