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

      Metaproterenol tablets are medicines used for the relief of asthma and airway narrowing associated with bronchitis (inflammation of the air passages within the lungs) and emphysema (lung disease that causes shortness of breath).

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

      How does this medication work?

      Metaproterenol tablets work by relaxing the muscles in your airways.

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

      What: Metaproterenol tablets have been shown to improve lung function, and may help you breathe better.

      When: Metaproterenol tablets may start working within 30 minutes of taking a dose.

      How do I know it is working?

      You may feel an improvement in your breathing once you begin taking metaproterenol tablets. Your healthcare provider may perform tests to check your lung function and ask you questions to assess how well your symptoms are controlled.

    • 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 may include: nervousness, fast heartbeat, shaking.

      Less common side effects may include:

      Metaproterenol tablets may cause changes in your blood pressure.

    • Who should not take this medication?

      Do not take metaproterenol tablets if you are allergic to them or any of their ingredients.

      Do not take metaproterenol tablets if you have certain heart conditions (such as arrhythmias [a life-threatening irregular heartbeat]).

    • 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 metaproterenol tablets. Also, talk to your healthcare provider about your complete medical history, especially if you have heart or thyroid problems, high blood pressure, diabetes, or seizures.

    • 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 and children >9 years or >60 pounds: The usual dose is 20 milligrams (mg) three or four times a day.

      Children 6-9 years or <60 pounds: The usual dose is 10 mg three or four times a day.

    • How should I take this medication?

      Take metaproterenol tablets exactly as prescribed by your healthcare provider.

    • What should I avoid while taking this medication?

      Do not change your dose or stop taking metaproterenol tablets without first talking to your healthcare provider.

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

      If metaproterenol tablets are 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 metaproterenol tablets with the following: certain antidepressants (such as amitriptyline or imipramine); medicines that affect your blood pressure or heart rate (such as albuterol or pseudoephedrine); or monoamine oxidase inhibitors (MAOIs), a class of medications used to treat depression and other psychiatric conditions (such as phenelzine or tranylcypromine).

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

      The effects of metaproterenol tablets during pregnancy and breastfeeding are unknown. 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 metaproterenol tablets, 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. Protect from light and moisture.

    • 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
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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.