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  • Generic Name: (lorcaserin hydrochloride)
    Other Brands: N/A
  • Last Revised: 11/2014
    • What is this medication and its most common uses?

      Belviq is a medicine used along with diet and exercise for long-term weight management.

      Belviq is a federally controlled substance because it has abuse potential.

    • What should I know when beginning and continuing on this medication?

      How does this medication work?

      Belviq is thought to work by targeting a hunger receptor in the brain, thereby helping you feel satisfied with less food.

      What are the beneficial effects of this medication and when should I begin to have results?

      What: Belviq, along with diet and exercise, may improve health risk factors such as high blood pressure, high blood sugar, and high cholesterol levels. In studies, 47.1% of people taking Belviq lost 5% or more of their body weight after 1 year of treatment, compared with those using diet and exercise alone.

      When: Everyone responds differently to treatment, so try to be patient and follow your healthcare provider's instructions. It is important that you take Belviq exactly as your healthcare provider has prescribed.

      How do I know it is working?

      You may begin to notice weight loss after beginning treatment with Belviq. Your healthcare provider may also ask you questions regarding your weight.

    • What are the possible side effects of this medication?

      The following is not a full list of side effects. Side effects cannot be anticipated. If any develop or change in intensity, tell your healthcare provider as soon as possible. Only your healthcare provider can determine if it is safe for you to continue taking this medication.

      More common side effects in non-diabetic patients may include: headache, dizziness, tiredness, nausea, dry mouth, constipation.

      More common side effects in diabetic patients may include: low blood sugar levels, headache, back pain, cough, tiredness.

      Less common side effects of Belviq may include:

      Serotonin syndrome (a potentially life-threatening drug reaction that causes the body to have too much serotonin, a chemical produced by the nerve cells) or neuroleptic malignant syndrome-like reactions, with symptoms such as mental status changes (such as agitation or hallucinations), an increase in your heart rate and body temperature, changes in your blood pressure, lack of coordination, overactive reflexes, muscle rigidity, nausea, vomiting, or diarrhea.

      Valvular heart disease, with symptoms such as trouble breathing; swelling of the arms, legs, ankles, or feet; dizziness, tiredness, or weakness that will not go away; or fast or irregular heartbeat.

      Mental health problems, with symptoms such as hallucinations, feeling high or in a very good mood, or feelings of standing next to yourself or out of your body.

      Increase in prolactin levels, with symptoms such as milky discharge from your breasts or if you are a male and your breasts begin to increase in size.

      Belviq may also cause a slower heartbeat, changes in your attention or memory, depression or thoughts of suicide, painful erections, or decreased blood cell counts.

    • Who should not take this medication?

      Do not take Belviq if you are allergic to it or any of its ingredients.

      Do not take Belviq if you are pregnant or planning to become pregnant.

    • What should I tell my healthcare provider before I take the first dose of this medication?

      Tell your healthcare provider about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Belviq. Also, talk to your healthcare provider about your complete medical history, especially if you have diabetes; kidney or liver problems; a condition such as sickle cell anemia, multiple myeloma, or leukemia; a deformed penis, Peyronie's disease, or ever had an erection that lasted more than 4 hours; have or have had heart problems; or if you are pregnant, plan to become pregnant, or are breastfeeding.

    • What is the usual dosage?

      The information below is based on the dosage guidelines your healthcare provider uses. Depending on your condition and medical history, your healthcare provider may prescribe a different regimen. Do not change the dosage or stop taking your medication without your healthcare provider's approval.

      Adults: The recommended dose is 10 milligrams twice a day.

    • How should I take this medication?

      Take Belviq exactly as prescribed by your healthcare provider. Do not change your dose or stop taking Belviq without first talking to your healthcare provider.

      Take Belviq with or without food.

      Notify your healthcare provider immediately if you do not notice any weight loss within the first 12 weeks of treatment.

      Your healthcare provider may start you on a diet and exercise program when you start taking Belviq. Stay on this program while you are taking Belviq.

    • What should I avoid while taking this medication?

      Do not drive a car, operate heavy machinery, or do other dangerous activities until you know how Belviq affects you.

      Do not become pregnant while taking Belviq.

    • What are the possible food and drug interactions associated with this medication?

      If Belviq is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your healthcare provider before combining Belviq with the following: bupropion; certain antidepressants (such as fluoxetine, venlafaxine, or amitriptyline); certain migraine medicines (such as zolmitriptan); dextromethorphan; lithium; monoamine oxidase inhibitors (MAOIs), a class of medications used to treat depression and other conditions (such as phenelzine, tranylcypromine, or linezolid); St. John's wort; tramadol; or tryptophan.

    • May I receive this medication if I am pregnant or breastfeeding?

      Do not take Belviq during pregnancy or breastfeeding. Tell your healthcare provider immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

    • What should I do if I miss a dose of this medication?

      If you miss a dose of Belviq, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

    • How should I store this medication?

      Store at room temperature.

    • Who should I contact in case of emergency or overdose?
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      In the event of a medical emergency call your doctor or 9-1-1 immediately. In the event of overdose, call your doctor or poison control for further instructions.
      National Poison Control#: Call 1-800-222-1222

      This PDR+ drug information has been developed by the Physicians’ Desk Reference Network (PDRN), a source of medication information trusted by doctors for over 65 years.

      This monograph summarizes the most important information about your medication and does not cover all the information you may need. If you have any questions or concerns or want to learn more about your medication, ask your healthcare provider; he/she will be able to provide answers to your questions. This medication should only be used by the patient for whom it was prescribed and should not be shared with other people.
    • Additional patient resources.
      back to top Use your PDR® Pharmacy Discount Card when you or a family member fills a prescription and ask for your PDR® Discount every
      time!
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    This discount plan is NOT insurance or a Medicare prescription drug plan. The plan is not intended as a substitute for insurance and does not meet creditable coverage requirements under state or federal law. The plan provides discounts at participating pharmacies on certain pharmaceutical supplies, prescription drugs, or medical equipment and supplies. The range of discounts will vary depending on the products received. Members are obligated to pay the pharmacy the entire amount of the discounted rate for such products at the point of sale. The plan does not pay pharmacies for products provided to members. No enrollment or periodic fees apply. The pharmacy may pay the plan a fee from amounts the pharmacy collects from the member. The discount plan organization is ProCare Pharmacy Benefit Manager, Inc.,1267 Professional Parkway, ProCare Office Park, Gainesville, GA 30507, 1-888-299-5383. Customer service is provided by PDR, LLC., 5 Paragon Drive, Montvale, NJ, 07645, 1-800-232-7379, www.pdr.net/DiscountCard, customerservice@pdr.net.