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Phentermine2025-04-24T15:03:13+00:00
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Jump start your weight loss

A trusted standard in weight loss treatment

  • Reduces appetite and cravings

  • Increases fat burning and energy
  • Fast results from start of treatment
  • Safe, effective & FDA approved

  • Regular consultations with a medical provider

  • Maintenance plans for long term results

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trust

Clinically proven
for weight loss

Fast Results right from
the start of treatment

Reduces appetite and
gives you lots of energy

Losing weight is hard, but we can help make it easier

Typically only $115/ month

Doc and med

All our pricing includes the cost
of the visit and the medication

No contract NB

No Contract
You only pay for what you get

FSA and HSA Accepted

The price of prescription pill treatment depends on the frequency of your appointments and on the medication and dose you are prescribed. Patients start off coming every 2 weeks and can then extend to every 4 weeks.

First visit + 2 weeks of medication $195
Follow-up visit + 2 weeks of Phentermine 1/day $90
Follow-up visit + 4 weeks of Phentermine 1/ day $115
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Risk Free Initial Visit

Initial consultation is free. Only $195 if you choose to start treatment.

  • Consultation with Medical Provider
  • 2 weeks of Medication Dispensed Onsite

  • Personalized Treatment Plan

  • Educational Packets

  • Free Lipotropic B12 Injection

  • Free Body Composition Analysis (select locations)

  • Additional Service Coupons
Book appointment
STARTING AT$85

Reviews

Rivas Medical Weight Loss
Based on 1987 reviews
Jinaki D.
I go to the Perryhall location. I received my second dose today. Let me tell you I didn't expect too much because I was told that it could take a few weeks to see any results. I went in today and I'm already down 6.8lbs from last week. This is only my second week. I'm very pleased with the customer service. Everyone is so kind and helpful. I felt nervous at my first appointment however after being seen I was explained everything and given a choice as to what I felt was best for me. I didn't feel pressured into anything. I don't remember the physicians assistant name but she was very patient with me and was very helpful in my decision. I'm on the trizipetide it has been amazing. I didn't have any side effects. I noticed a decrease in my appetite within 24 hours. I have to make myself eat. When I do eat I get full fast. I can't exercise a lot because of my arthritis so this is perfect for me to help me lose weight. I'm so excited to see what my final results will be when I get to my goal weight. If you are on the fence about trying this weight loss clinic as I was initially give it a try. It's definitely money well spent. I want to thank Rivas for helping me on my journey to weight loss and good health. You guys are the best!!!
Coretta B.
I am so Greatful to Dr Rivas and his team in Abington Md. I started Oct 14th 2024 I am down 25 pounds and I feel so good. The staff is so friendly and I know that I will reach my goal with Trizepatide. I am currently taking 11mg. I also like to add I have had nooooooo side affects.
Mike K.
The staff are very knowledgeable, professional, and friendly. They patiently answer all my questions, offer good advice, and seem interested in my progress. I enjoy making my weekly visits. And, I have lost nearly 25 pounds so far. I am very pleased with my time spent at Rivas Medical Weight Loss.
Jennifer T.
Everyone is so nice, absolutely love seeing Ashley!!
Karen S.
I started this journey 2 months ago and i’m down 30 pounds
Meaghan B.
Everyone you come in contact with is so helpful and supportive! I've been going weekly for 8 weeks now and have loved every visit! The personal connection and trust to me is worth the little extra cost, vs having medications mailed to me from who knows where and hope for the best. This is a place you can trust and count on in your own backyard
RG R
I've been seeing Dr. Rivas Weight Loss Clinic off and on at 55 Kensington Pkwy, Abingdon, MD 21009, since 2004. The staff at this location are very compassionate, friendly, and accommodating. Dr Rivas has great bedside manners, very friendly strikes up a casual conversation that makes you feel very welcomed, I met with Dr. Rivas, in 2004, I highly recommend Dr. Paul Rivas, as your professional weight loss / control consultant. During the Covid phase, I gained quite a bit of weight, 65 pounds. I've had a difficult time trying to shed this extra weight, I've decided to visit Dr Rivas Weight Loss Clinic on September 4, 2024. At the time of my initial visit, I weighed 227 pounds at a height of 5'9". After 3 months of consultations with the Clinic PA's, I've lost 62 pounds, my weight is currently at 165 lbs, my target weight is 155 to 160 lbs, almost there and should make this goal after the Holidays Dinners.

Attached is the before and after photo, the before taken on September 4th, 2024 and the after picture taken on December 23rd, 2024, I feel soo much better now, I have more energy, I do not tire as easy, and my clothes fit much more comfortably now. A big thank you to the Rivas medical weight loss staff and the PA's.
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Description

Our patients often tell us they see the most weight loss early in their phentermine treatment—sometimes within the first few weeks. While results vary from person to person, many are surprised by how quickly the scale starts to move. We don’t rely on gimmicks or guarantees—just real stories and real outcomes. Come see what your journey could look like.

Many of our patients report noticeable weight loss within the first two weeks of starting phentermine. Some have shared losing between 5 to 10 pounds during this initial period, especially when combining the medication with dietary changes and increased physical activity. However, individual results can vary based on factors like starting weight, metabolism, and lifestyle habits.

Clinical studies support these experiences, indicating that phentermine users can lose approximately 3–5% of their body weight over several weeks to months. For instance, a study found that participants lost an average of 7.1 kg (about 15.7 pounds) over 14 weeks when using phentermine alongside lifestyle modifications.

It’s important to note that while some individuals experience rapid initial weight loss, sustainable results are best achieved through consistent healthy eating, regular exercise, and ongoing medical supervision.
Effects on Weight Reduction and Safety of Short-Term Phentermine Administration in Korean Obese People

Phentermine may be a suitable option if you’re:

  • Seeking an affordable, short-term weight loss solution
  • New to stimulant medications 
  • Looking for rapid results 

However, phentermine is not recommended if you: 

  • Are currently taking other stimulant medications (e.g., ADHD treatments like Adderall
  • Have a history of heart disease, stroke, arrhythmias, or uncontrolled high blood pressure 
  • Are pregnant, planning to become pregnant, or breastfeeding 

If you have chronic kidney disease, phentermine may still be considered if cleared by your nephrologist. 
If you have Glaucoma, phentermine may still be considered if cleared by your ophthalmologist. 
Always consult with your healthcare provider to determine if phentermine is appropriate for your individual health needs. 

  • Lots of energy 
  • Dry mouth 
  • Insomnia 
  • Constipation 
  • Moments of feeling hot and sweaty 
  • Irritability 

If you have been on phentermine (or any stimulant medication like for ADHD) you may have built up a tolerance to the effects of the medication. We recommend you consider trying Semaglutide or Tirzepatide.

We do not process any insurance. Unfortunately, most insurance companies refuse to cover medical weight loss, but we are happy to provide invoices for reimbursement if your insurance does. Some patients are able to get reimbursed for the visit. 

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Testimonials

Rivas Medical Weight Loss
Based on 1987 reviews
Jinaki D.
I go to the Perryhall location. I received my second dose today. Let me tell you I didn't expect too much because I was told that it could take a few weeks to see any results. I went in today and I'm already down 6.8lbs from last week. This is only my second week. I'm very pleased with the customer service. Everyone is so kind and helpful. I felt nervous at my first appointment however after being seen I was explained everything and given a choice as to what I felt was best for me. I didn't feel pressured into anything. I don't remember the physicians assistant name but she was very patient with me and was very helpful in my decision. I'm on the trizipetide it has been amazing. I didn't have any side effects. I noticed a decrease in my appetite within 24 hours. I have to make myself eat. When I do eat I get full fast. I can't exercise a lot because of my arthritis so this is perfect for me to help me lose weight. I'm so excited to see what my final results will be when I get to my goal weight. If you are on the fence about trying this weight loss clinic as I was initially give it a try. It's definitely money well spent. I want to thank Rivas for helping me on my journey to weight loss and good health. You guys are the best!!!
Coretta B.
I am so Greatful to Dr Rivas and his team in Abington Md. I started Oct 14th 2024 I am down 25 pounds and I feel so good. The staff is so friendly and I know that I will reach my goal with Trizepatide. I am currently taking 11mg. I also like to add I have had nooooooo side affects.
Mike K.
The staff are very knowledgeable, professional, and friendly. They patiently answer all my questions, offer good advice, and seem interested in my progress. I enjoy making my weekly visits. And, I have lost nearly 25 pounds so far. I am very pleased with my time spent at Rivas Medical Weight Loss.
Jennifer T.
Everyone is so nice, absolutely love seeing Ashley!!
Karen S.
I started this journey 2 months ago and i’m down 30 pounds
Meaghan B.
Everyone you come in contact with is so helpful and supportive! I've been going weekly for 8 weeks now and have loved every visit! The personal connection and trust to me is worth the little extra cost, vs having medications mailed to me from who knows where and hope for the best. This is a place you can trust and count on in your own backyard
RG R
I've been seeing Dr. Rivas Weight Loss Clinic off and on at 55 Kensington Pkwy, Abingdon, MD 21009, since 2004. The staff at this location are very compassionate, friendly, and accommodating. Dr Rivas has great bedside manners, very friendly strikes up a casual conversation that makes you feel very welcomed, I met with Dr. Rivas, in 2004, I highly recommend Dr. Paul Rivas, as your professional weight loss / control consultant. During the Covid phase, I gained quite a bit of weight, 65 pounds. I've had a difficult time trying to shed this extra weight, I've decided to visit Dr Rivas Weight Loss Clinic on September 4, 2024. At the time of my initial visit, I weighed 227 pounds at a height of 5'9". After 3 months of consultations with the Clinic PA's, I've lost 62 pounds, my weight is currently at 165 lbs, my target weight is 155 to 160 lbs, almost there and should make this goal after the Holidays Dinners.

Attached is the before and after photo, the before taken on September 4th, 2024 and the after picture taken on December 23rd, 2024, I feel soo much better now, I have more energy, I do not tire as easy, and my clothes fit much more comfortably now. A big thank you to the Rivas medical weight loss staff and the PA's.
View All Testimonials

Lose weight – Feel Great – No Contract

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