What other drugs will affect metoprolol?
Before taking metoprolol, tell your doctor if you are using:
-
digoxin (digitalis, Lanoxin);
-
clonidine (Catapres);
-
ritonavir (Norvir);
-
terbinafine (Lamisil);
-
anti-malaria medications such as chloroquine (Aralen) or
hydroxychloroquine (Plaquenil, Quineprox);
-
medicine to treat depression or mental illness, such as
bupropion (Wellbutrin, Zyban), fluoxetine (Prozac, Sarafem), paroxetine (Paxil), thioridazine
(Mellaril), and others;
-
an MAO inhibitor such as isocarboxazid (Marplan),
tranylcypromine (Parnate), phenelzine (Nardil), or selegiline (Eldepryl, Emsam);
-
a diabetes medication such as insulin, glyburide (Diabeta,
Micronase, Glynase), glipizide (Glucotrol), chlorpropamide (Diabinese), or metformin
(Glucophage);
-
a heart medication such as nifedipine (Procardia, Adalat),
quinidine (Quinaglute, Quinidex), propafenone (Rythmol), reserpine (Serpasil), verapamil
(Calan, Verelan, Isoptin), diltiazem (Cartia, Cardizem);
-
medicine for asthma or other breathing disorders, such as
albuterol (Ventolin, Proventil), bitolterol (Tornalate), metaproterenol (Alupent), pirbuterol
(Maxair), terbutaline (Brethaire, Brethine, Bricanyl), and theophylline (Theo-Dur, Theolair);
-
a diuretic (water pill) such as amiloride (Midamor,
Moduretic), chlorthalidone (Hygroton, Thalitone), furosemide (Lasix), hydrochlorothiazide
(HCTZ, HydroDiuril, Hyzaar, Lopressor, Vasoretic, Zestoretic), spironolactone (Aldactazide,
Aldactone), triamterene (Dyrenium, Maxzide, Dyazide), torsemide (Demadex), and others; or
-
cold medicines, stimulant medicines, or diet pills.
If you are using any of these drugs, you may not be able to take
metoprolol, or you may need dosage adjustments or special tests during treatment.
There may be other drugs not listed that can affect metoprolol. Tell your doctor about all
the prescription and over-the-counter medications you use. This includes vitamins, minerals,
herbal products, and drugs prescribed by other doctors. Do not start using a new medication
without telling your doctor.
Where can I get more information?
Your pharmacist has additional information about metoprolol written for health
professionals that you may read.
What do the pills look like?
Metoprolol is available with a prescription under the brand names Lopressor and Toprol
XL. Other brand or generic formulations of this medication may also be available. Ask your
pharmacist any questions you have about this medication, especially if it is new to you.
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Lopressor 50 mg--pink, capsule-shaped, scored tablets
-
Lopressor 100 mg--light-blue, capsule-shaped, scored
tablets
-
Toprol XL 50 mg extended-release tablets--white, round,
film-coated, scored tablets
-
Toprol XL 100 mg extended-release tablets--white, round,
film-coated, scored tablets
-
Toprol XL 200 mg extended-release tablets--white, oval,
film-coated, scored tablets
Remember, keep this and all other medicines out of the reach of children,
never share your medicines with others, and use this medication only for the indication prescribed.
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