Phentermine adverse effects

Phentermine may cause these effects:

More common:


Lactic acidosis
Hypertension
Irritability
Nervousness
Euphoria
Dry mouth
Unpleasant taste
Blurred vision
Heartburn/Acid reflux
Increased libido in females
Clumsiness
Confusion
Diarrhea
Dizziness
Headache
Arrhythmia
Nausea or vomiting
Psychosis
Skin rash or itching
Stomach pain
Fatigue
Pupil dilation
Increased Thirst

Less common:


Fever
Hallucinations
Hostility with urge to attack
Irregular blood pressure
Lightheadedness or fainting
Periods of mania followed by period of depression
Tremors, trembling or shaking Overactive reflexes
Panic
Restlessness
Severe nausea, vomiting or diarrhea
Stomach cramps
Weakness
Constipation