For all the questions we received about known phentermine side effects.
Phentermine Side Effects List:
1. Bad taste in mouth or dry mouth
2. Headache
3. Diarrhea
4. Upset stomach or pain in the stomach
5. Dizziness
5. Nervousness
6. Insomnia (troubles with falling or staying asleep)
7. Euphoria (unusual happy feelings)
8. Confusion
9. Irritability
10. Clumsiness
11. Heartburn
12. Vomiting, nausea
13. Increased thirst
14. Difficulty urinating (constipation)
Less Common Side Effects
1. Fever
2. Hallucinations
3. Panic
4. Restlessness
5. Stomach cramps
6. Tremors
7. Constipation
8. Weakness
9. Shaking
10. Depression or periods of mania
11. Overactive reflexes
12. Severe nausea
13. Aggressive behavior
14. Impotence or low libido
15. Gastrointestinal disturbances
16. Psychosis
Severe allergic reactions
1. Rash
2. Hives
3. Itching
4. Face (or its parts) swelling
5. Tightness in the chest (difficulty swallowing)
6. Wheezing
7. Skin redness
Rare and the most dangerous side effects
1. Blue skin or lips
2. Ankle or feet swelling
3. Fatigue
4. Chest pain
5. Problems with breathing
6. A rapid heart rate or palpitations
7. A desire to take Phentermine more often (or at higher doses)
8. Unusual thoughts
9. Very high blood pressure or low blood pressure
10. Pulmonary hypertension (can cause death)
11. Cardiac valvular disease
12. Slurred speech
13. Seizure
14. Fainting
Have you had any others?
