HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

Please what are the differences between ionamin, fastin and phentermine? which is most effective for obesity?

A doctor has provided 1 answer
Dr. Stuart Erner answered

Specializes in Internal Medicine

Weight loss med: All of these are Phentermine which is the generic for a prototypical anorectic medication. Phentermine reduces appetite by distracting you from hunger. It an adjunctive treatment which should be used in conjuction with proper diet and exercise in order to cause weight loss.

Answered 9/28/2016

4.1k views

Thank

Related Questions

A member asked:

Is it safe to take metformin and phentermine even though i don't have diabetes but I do have pcos and morbid obese?

3 doctors weighed in across 2 answers

A member asked:

Is there a difference between adipex and fastin (phentermine)?

A doctor has provided 1 answer

A member asked:

What's the difference between fastin (phentermine) and fastin (phentermine) xr?

A doctor has provided 1 answer

A member asked:

Is fastin (phentermine) XR safe to take with diabetes?

A doctor has provided 1 answer

A member asked:

What is the definition or description of: Fastin (phentermine) overdose?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

What are the differences between adipex, ionamin, (phentermine) and fastin?
Is phentermine the same as phen tabz ? For obesity.
Is phentermine or adipex covered by soonercare/medicaid...Im asking this for my obese cousin that is 15.?
45yo male here, been obese for quite some time now, and I was put on phentermine to help curb appetite currently take 1/2 in morning and half 30 before super.I been active in exercise and back started hurting so now On meloxicam is it ok to mix them?
I used to take phentermine and I hit my goal weight. I ended up pregnant with my second child and I gained most of it back. Would a doctor prescribe me it again due to my height and weight being considered obese?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.