What is Phentermine?
Category: Prescription Drugs
Most popular types: Adipex-P Duromine Ionamin
Phentermine is an appetite suppressant to help reduce weight when used short-term and combined with exercise, diet, and behavioral modification. It is typically prescribed for individuals who are at increased medical risk because of their weight and works by reducing appetite.
| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Weight loss | 99 | 53 | |
| Fatigue | 39 | 18 | |
| Support weight loss | 30 | 18 | |
| Obesity | 5 | 4 | |
| Exhaustion | 4 | 1 | |
| Excessive daytime sleepiness (somnolence) | 3 | 1 |
- Major
- Moderate
- Slight
- None
- Can't tell
Side effects
Side effects as an overall problem
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 10 | |
| Moderate | 10 | |
| Mild | 22 | |
| None | 44 |
Commonly reported side effects and conditions associated with Phentermine
| Side effect | Patients | Percentage |
|---|---|---|
| Dry mouth | 5 | |
| Insomnia | 5 | |
| Jittery feeling | 4 | |
| Anxious mood | 3 | |
| Constipation | 3 | |
| Tachycardia (fast heart rate) | 3 |
Why patients stopped taking Phentermine
Multiple reasons could be selected
| Reason | Patients | Percentage |
|---|---|---|
| Did not seem to work | 16 | |
| Other | 16 | |
| Doctor's advice | 15 | |
| Course of treatment ended | 10 | |
| Expense | 10 | |
| Side effects too severe | 10 | |
| Change in health plan coverage | 1 |
Duration
Stopped taking Phentermine
| Duration | Patients | Percentage |
|---|---|---|
| Less than 1 month | 7 | |
| 1 - 6 months | 30 | |
| 6 months - 1 year | 9 | |
| 1 - 2 years | 9 | |
| 2 - 5 years | 3 | |
| 5 - 10 years | 1 | |
| 10 years or more | 1 |
What people switch to and from
Patients started taking Phentermine after stopping:
| Treatment | Patients | Percentage |
|---|---|---|
| Aripiprazole (Abilify) | 1 | |
| Levothyroxine (Synthroid) | 1 | |
| Metformin (Metformin ER) | 1 | |
| Phentermine (Adipex-P) | 1 | |
| Phentermine-topiramate (Qsymia) | 1 |
Patients stopped taking Phentermine and switched to:
| Treatment | Patients | Percentage |
|---|---|---|
| Amphetamine-Dextroamphetamine (Adderall) | 2 | |
| Modafinil (Provigil) | 2 | |
| Benzphetamine (Didrex) | 1 | |
| Diethylpropion (Anfepramona) | 1 | |
| Orlistat (Alli) | 1 |
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