What is Adipex?

Adipex-P is the brand name for Phentermine, a prescription medication used for weight loss. It is an appetite suppressant that affects the central nervous system, helping reduce hunger and making it easier to follow a low-calorie diet.

Adipex is typically prescribed for people who are obese or overweight with weight-related health issues such as diabetes, high blood pressure, or high cholesterol.

Medical Uses of Adipex

  • Weight Loss Aid – Helps reduce appetite to support diet and exercise plans.

  • Short-Term Therapy – Usually prescribed for a few weeks to kickstart weight reduction.

  • Obesity Management – For patients with a BMI ≥ 30, or ≥ 27 with related health conditions.

How to Take Adipex

  • Usually taken once daily before breakfast or 1–2 hours after breakfast.

  • Take with a full glass of water.

  • Follow a low-calorie diet and exercise program alongside medication.

  • Do not take late in the day, as it may cause insomnia.

  • Never increase your dose without doctor’s approval.

What to Avoid While Using Adipex

  • Alcohol: Can worsen side effects like dizziness.

  • Other Weight-Loss Drugs: May increase risk of dangerous interactions.

  • Late-Night Dosing: Can cause sleep problems.

  • High-Caffeine Intake: May increase jitteriness or anxiety.

Possible Side Effects of Adipex

Common:

  • Dry mouth, bad taste in mouth

  • Nervousness or restlessness

  • Insomnia

  • Constipation or diarrhea

  • Increased heart rate

Serious (rare):

  • Chest pain, irregular heartbeat

  • Severe mood changes (agitation, hallucinations)

  • High blood pressure

  • Shortness of breath

Warnings & Precautions

  • Adipex is a controlled substance (Schedule IV) due to risk of abuse.

  • Not suitable for people with heart disease, uncontrolled hypertension, hyperthyroidism, or glaucoma.

  • Avoid if pregnant, breastfeeding, or with a history of substance abuse.

  • Use is typically limited to 12 weeks or less.