Metoprolol Succinate ER 100mg
Generic For: Toprol-XL
Metoprolol Succinate ER 100mg (Toprol-XL) is an extended-release beta-blocker tablet used to treat high blood pressure, chest pain (angina), and heart failure. It works by slowing the heart rate and reducing the heart's workload. Order online and, after a licensed provider reviews your prescription, your medication ships from a licensed U.S. pharmacy.
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Buy Metoprolol Succinate ER 100mg Online
Metoprolol succinate ER is a beta-blocker used for high blood pressure, angina, and heart failure.
Metoprolol Succinate ER 100mg Quick Facts
| Drug class | Beta-1 selective beta-blocker |
|---|---|
| Treats | High blood pressure, angina, heart failure |
| Form | Tablet |
| Typical dosing | Take 1 tablet by mouth daily. |
| Prescription required | Yes — prescription only |
What Is Metoprolol Succinate ER 100mg?
Metoprolol succinate ER is the extended-release form of metoprolol, a beta-blocker also sold under the brand name Toprol-XL. It blocks the effects of certain stress hormones on the heart, which slows the heart rate and lowers blood pressure. The extended-release tablet is taken once daily and provides steady medication levels throughout the day. It is FDA-approved for high blood pressure, angina, and stable heart failure.
What Does Metoprolol Succinate ER 100mg Treat?
High blood pressure (hypertension)
Chest pain from coronary artery disease (angina pectoris)
Stable, symptomatic heart failure (NYHA Class II–III)
Reducing blood pressure to lower risk of cardiovascular events
Long-term management of ischemic heart disease
Metoprolol Succinate ER 100mg Dosage
Hypertension: 25–100 mg by mouth once daily; may titrate weekly to effect (max 400 mg/day).
Angina: 100 mg by mouth once daily; titrate as needed (max 400 mg/day).
Heart failure: 12.5–25 mg by mouth once daily; double dose every 2 weeks as tolerated to target 200 mg once daily.
Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.
Metoprolol Succinate ER 100mg Side Effects
Common side effects
- Tiredness or fatigue
- Dizziness or lightheadedness
- Slow heart rate
- Low blood pressure
- Depression or mood changes
- Diarrhea
- Shortness of breath
- Cold hands and feet
Serious side effects
Stop taking this medication and seek medical attention right away if you experience:
- Very slow or irregular heartbeat
- Worsening heart failure (swelling, sudden weight gain, trouble breathing)
- Severe dizziness or fainting
- Wheezing or difficulty breathing (bronchospasm)
- Signs of allergic reaction (rash, swelling of face or throat)
- Chest pain or heart attack symptoms after abrupt discontinuation
Warnings & Interactions
Do not stop abruptly — taper over 1–2 weeks to avoid worsening angina or heart attack
Contraindicated in severe bradycardia, heart block greater than first degree, sick sinus syndrome without pacemaker, and cardiogenic shock
Use caution in asthma or COPD — may worsen breathing
Can mask signs of low blood sugar in diabetes and symptoms of hyperthyroidism
May worsen symptoms in peripheral vascular disease
Interacts with other heart-rate-lowering drugs (digoxin, verapamil, diltiazem, clonidine)
CYP2D6 inhibitors (e.g., fluoxetine, paroxetine, quinidine) can raise metoprolol levels
Tell your prescriber about all medications, supplements, and health conditions before starting metoprolol succinate er 100mg.
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