Generic Name: phentermine
Brand Name(s): Duromine
Medically reviewed by Ahmed Zayed, MD on June 19, 2018

Duromine is one of the newer options on the market that physician may prescribe to a patient when they are obese. This drug is classified as an anorectic drug, which means it causes the appetite of the patient to become suppressed. The drug is not available without a prescription from a licensed physician and holds a number of safety concerns that a patient first needs to consider before use. This drug is not to be used alone, but should rather be provided to a patient together with an appropriate weight management plan.

Primary Functions Of Duromine

Obesity is linked to a number of dreadful chronic diseases, including type 2 diabetes, high blood pressure, sleep apnea, osteoarthritis, and coronary artery disease1. These diseases do not only cause adverse effects on the patient’s life and cause them to experience a significant decline in their quality-of-life but can also lead to premature death. This is why the use of Duromine has become an essential part in modern-day healthcare systems that target the complications of obesity.

Duromine is an anorectic drug2 that works by suppressing the patient’s appetite significantly. Anorectic drugs are used to impose a state of anorexia on the patient – while the drug will not cause anorexia when used according to the instructions provided by a physician, it will lead to similar appetite suppression as with this condition. Binge and stress-related eating are major concerns among obese patients3, as this does not only lead to excess weight gain but also makes weight loss efforts less successful. Through appetite suppression, this drug helps to eliminate this problem, which improves the results from a patient’s weight management plan.

The Duromine Formula

This drug mainly relies on the physiological effects of phentermine to produce its appetite suppressing benefits in the patient. Phentermine has a long line of scientific papers and clinical data behind it to support its effectiveness in producing a reduction in a patient’s hunger and cravings.

Apart from Phentermine, each Duromine tablet also contains liquid paraffin, gelatin, iron oxide black, titanium dioxide, and magnesium stearate. Some varieties of this product contain additional ingredients as well.

Prescribing Process For Duromine

This drug is not for everyone. Even though indicated for obese patients, not all patients with obesity will qualify for a prescription of Duromine. Before a physician can prescribe this drug to a patient, a thorough examination first needs to be executed. The physician will also consider existing drugs that the patient is taking and look at their medical history to determine if any of the diseases they have been diagnosed with previously may be adversely affected by this prescription drug.

Duromine Side-Effect Profile

Patients are advised to become acknowledged with the possible side-effects that may develop while using this drug. While certain side-effects are considered harmless to the physiological health of the patient, some adverse reactions may require urgent medical attention.

Some common side-effects that patients often report while using Duromine include insomnia, nervousness, tremor, dizziness, nausea and vomiting, stomach cramps, headaches, and irregular heartbeats.

Patients are urged to contact their physician should they experience rapid weight loss, chest pain, erectile dysfunction, a loss of libido, urinary symptoms, or swelling in their lower limbs. These may be signs of more serious side-effects caused by the main active ingredients of this drug.

Should a patient experience signs of a stroke, heart attack, myocardial infarction, or angina, they should seek urgent medical care at an Emergency Department as soon as possible.

Duromine Dosage And Usage

Duromine is available in different dosages to help physicians ensure a patient does not take a phentermine concentration that may be too strong for them. This drug is available in the following dosage options:

  • DUROMINE 15 – 15mg dosage of phentermine per capsule.
  • DUROMINE 30 – 30mg dosage of phentermine per capsule.
  • DUROMINE 40 – 40mg dosage of phentermine per capsule.

A physician may also prescribe a 7-day or 30-day pack for the patient, depending on their findings, the patient’s current body weight, and other factors that may influence how long the patient may take the drug to assist with their weight loss.

Duromine Interactions

The use of this drug may interfere with the effectiveness of other drugs that a patient is taking. This makes it essential for a patient to discuss any current drugs and supplements with the prescribing physician before starting to take Duromine. The drug is not only known to interact with some other prescription drugs but may also lead to adverse effects when taken in combination with certain natural supplements, as well as some over-the-counter drugs.

Patients are advised to avoid using this drug together with Thyroid hormone replacement drugs, other weight loss pills, as well as medications that are used to treat hypertension. Drugs containing ergotamine, fluoxetine, paroxetine, clomipramine, sertraline, phenylpropanolamine, phenylephrine, or pseudoephedrine should also be avoided as interactions may occur.

In some cases, a physician might be able to adjust the prescription of drugs that may have an interaction with phentermine. In other cases, a patient may rather be advised to opt for another type of drug to assist with reducing their body weight.


Millions of patients have been given an opportunity to reduce their body weight and, in turn, improve their health, through the use of Duromine. This drug is based on phentermine and acts as an appetite suppressant to ensure daily caloric intake can be reduced. The drug is only provided to qualifying patients and can only be obtained with a prescription made out by a licensed physician.

Even though useful, Duromine can cause serious side-effects and is not appropriate for all obese patients. One of the best alternatives to Duromine is PhenterPro. This pill provides a similar effect in regards to appetite suppression, but without being associated with the potentially hazardous side-effects that patients may experience when they use drugs containing Phentermine.


1 Effects of Obesity. Stanford Health Care. https://stanfordhealthcare.org/medical-conditions/healthy-living/obesity.html

2 D. Craddock. Anorectic drugs: use in general practice. U.S. National Library of Medicine. 1976. https://www.ncbi.nlm.nih.gov/pubmed/782835

3 Multiple Authors. Binge Eating and Weight Loss Behaviors of Overweight and Obese College Students. HHS Public Access. 27 August 2013. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3937296/


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