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(metoprolol tartrate) Tablets, USP
(metoprolol tartrate) Injection, USP
- Patient Information:
Details with Side Effects
Lopressor, metoprolol tartrate USP, is a selective betai-adrenoreceptor blocking agent, available as 50- and 100-mg tablets for oral administration and in 5-mL ampuls for intravenous administration. Each ampul contains a sterile solution of metoprolol tartrate USP, 5 mg, and sodium chloride USP, 45 mg, and water for injection USP. Metoprolol tartrate USP is (±)-1-(Isopropylamino)-3-[p-(2-methoxyethyl)phenoxy]-2-propanol L-(+)-tartrate (2:1) salt, and its structural formula is
Metoprolol tartrate USP is a white, practically odorless, crystalline powder with a molecular weight of 684.82. It is very soluble in water; freely soluble in methylene chloride, in chloroform, and in alcohol; slightly soluble in acetone; and insoluble in ether.
Inactive Ingredients: Tablets contain cellulose compounds, colloidal silicon dioxide, D&C Red No. 30 aluminum lake (50-mg tablets), FD&C Blue No. 2 aluminum lake (100-mg tablets), lactose, magnesium stearate, polyethylene glycol, propylene glycol, povidone, sodium starch glycolate, talc, and titanium dioxide.
What are the possible side effects of metoprolol (Lopressor, Metoprolol Succinate ER, Metoprolol Tartrate, Toprol-XL)?
Call your doctor at once if you have any of these serious side effects:
- chest pain, pounding heartbeats or fluttering in your chest;
- feeling light-headed, fainting;
- feeling short of breath, even with mild exertion;
- swelling of your hands or feet;
- nausea, upper stomach pain, itching, loss of appetite, dark urine,...
What are the precautions when taking metoprolol tartrate (Lopressor)?
Before taking metoprolol, tell your doctor or pharmacist if you are allergic to it; or to other beta-blockers (such as atenolol, propranolol); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: certain types of heart rhythm problems (such as a slow heartbeat, sick sinus syndrome, second- or third-degree atrioventricular block), breathing problems (such as asthma, chronic bronchitis, emphysema), liver disease, serious allergic reactions, including those needing treatment with epinephrine, blood circulation problems (such as Raynaud's disease, peripheral...
Last reviewed on RxList: 5/9/2011
This monograph has been modified to include the generic and brand name in many instances.
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