Labetalol 100mg
Generic For: Trandate
Labetalol 100mg (brand name Trandate) is a combined alpha- and beta-blocker used to treat high blood pressure (hypertension). It works by relaxing blood vessels and slowing the heart rate, helping lower blood pressure. After a licensed provider reviews your prescription, your labetalol order ships from a licensed U.S. pharmacy.
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50-day supply · $0.30/tablet
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Buy Labetalol 100mg (Trandate) Online
An alpha/beta-blocker for high blood pressure, including hypertension in pregnancy
Labetalol 100mg Quick Facts
| Drug class | Alpha/beta-adrenergic blocker |
|---|---|
| Treats | High blood pressure (hypertension) |
| Form | Tablet |
| Typical dosing | Take 1 tablet by mouth twice daily. |
| Prescription required | Yes — prescription only |
What Is Labetalol 100mg?
Labetalol is a prescription blood pressure medication that blocks both alpha and beta receptors. This dual action relaxes blood vessels and reduces the workload on the heart, which lowers blood pressure. Labetalol is FDA-approved to treat hypertension and may be used alone or with other blood pressure medicines. It is also commonly used by clinicians to manage high blood pressure during pregnancy.
What Does Labetalol 100mg Treat?
High blood pressure (hypertension)
Hypertension in combination with other antihypertensives
Hypertension during pregnancy (commonly used off-label per clinical guidelines)
Long-term blood pressure control to reduce cardiovascular risk
Labetalol 100mg Dosage
Initial: 100 mg by mouth twice daily.
Titrate: increase by 100 mg twice daily every 2–3 days as needed.
Maintenance: 200–400 mg by mouth twice daily.
Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.
Labetalol 100mg Side Effects
Common side effects
- Dizziness
- Fatigue
- Nausea
- Scalp tingling
- Headache
- Stuffy nose
- Indigestion
Serious side effects
Stop taking this medication and seek medical attention right away if you experience:
- Very slow heartbeat (bradycardia)
- Fainting or severe lightheadedness (low blood pressure)
- Difficulty breathing or wheezing (bronchospasm)
- Signs of liver injury (jaundice, dark urine, severe fatigue)
- Swelling of ankles or sudden weight gain (worsening heart failure)
- Severe allergic reaction (rash, swelling, trouble breathing)
Warnings & Interactions
Do not use with asthma or obstructive airway disease
Contraindicated in severe bradycardia, heart block, or cardiogenic shock
Do not stop abruptly — taper under medical supervision
May cause liver injury; report symptoms promptly
Can mask signs of low blood sugar in diabetes
Use caution with other blood pressure medicines or calcium channel blockers
May cause dizziness when standing, especially early in treatment
Tell your prescriber about all medications, supplements, and health conditions before starting labetalol 100mg.
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