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Belviq vs. Ionamin

Are Belviq and Ionamin the Same Thing?

Belviq (lorcaserin hydrochloride) and Ionamin (phentermine resin) are used for treatment of chronic weight management in adults with a body mass index (BMI) of 30 or greater (obese) as an addition to a reduced-calorie diet and exercise and who have at least one weight-related condition such as high blood pressure (hypertension), type 2 diabetes, or high cholesterol (dyslipidemia).

Belviq and Ionamin belong to different drug classes. Belviq is a serotonin 2C receptor agonist and Ionamin is a stimulant.

What Are Possible Side Effects of Belviq?

Common side effects of Belviq include:

What Are Possible Side Effects of Ionamin?

Common side effects of Ionamin include:

  • dizziness,
  • dry mouth or unpleasant taste in the mouth,
  • difficulty sleeping (insomnia),
  • irritability,
  • restlessness,
  • hyperactivity,
  • nausea,
  • vomiting,
  • diarrhea,
  • constipation,
  • headache,
  • tremors,
  • increased or decreased interest in sex, or impotence

What Is Belviq?

Belviq (lorcaserin hydrochloride) is a serotonin 2C receptor agonist indicated for the treatment of chronic weight management in adults with a body mass index (BMI) of 30 or greater (obese) as an addition to a reduced-calorie diet and exercise. Belviq is also approved for use by adults with a BMI of 27 or greater (overweight) and who have at least one weight-related condition such as high blood pressure (hypertension), type 2 diabetes, or high cholesterol (dyslipidemia).

What Is Ionamin?

Ionamin (phentermine resin) is a stimulant used together with diet and exercise to treat obesity (overweight) in people with risk factors such as high blood pressure, high cholesterol, or diabetes.

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Surprising Reasons for Weight Gain See Slideshow

What Drugs Interact With Belviq?

Belviq may interact with antidepressants, including selective serotonin reuptake inhibitors (SSRIs), serotonin-norepinephrine reuptake inhibitors (SNRIs), monoamine oxidase inhibitors (MAOIs), triptans, bupropion, dextromethorphan, or St. John's Wort. Tell your doctor all medications you use.

What Drugs Interact With Ionamin?/h3>

Ionamin may interact with blood pressure medications, insulin or oral diabetes medications, guanethidine, or antidepressants.

How Should Belviq Be Taken?

Belviq is taken orally. The recommended dosage of Belviq is one 10mg tablets taken twice per day. Belviq should be discontinued if 5% weight loss is not achieved by week 12 of therapy.

How Should Ionamin Be Taken?

The dose of Ionamin is one capsule daily, before breakfast or 10-14 hours before retiring.

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References
Medical Editor: John P. Cunha, DO, FACOEP
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