Toprol Xl

Metoprolol

Developed to target cardiac excitability, reducing workload on the heart.

Active ingredient
Metoprolol
Supply
Pharmacy
Route
Oral use
Form
Modified-release tablet
Strengths
25 · 50 · 100mg

Toprol Xl details

Alternative names
Betaloc SA; Lopresor
Therapeutic class
Beta Blocker
Pharmacological class
Beta-1 blocker
Minor side effects
fatigue; dizziness; cold extremities
Moderate side effects
bradycardia; sleep disturbances; depression
Dosage forms
Modified-release tablet
Administration route
Oral use
Patient summary
developed to target cardiac excitability, reducing workload on the heart.
Supply category
Pharmacist only, dispensed without a prescription
Manufacturer
AstraZeneca
Onset Time
1–2 hours
Duration
12–24 hours
Storage instructions
Store below 25°C in a dry place.
Drug interactions
calcium channel blockers; cimetidine
Age restrictions
Safe for use in children with specific monitoring.
Contraindications

hypersensitivity to beta blockers; bradycardia; severe asthma; uncompensated heart failure

Precautions and warnings

do not stop taking abruptly; may mask signs of hypoglycaemia; report shortness of breath immediately

Serious side effects

heart block, requires immediate medical attention; bronchospasm, requires immediate medical attention

Mechanism of action

Toprol Xl is a cardioselective beta-1 receptor blocker. By preventing catecholamine binding at these receptor sites in the heart, it lowers the force and rate of myocardial contraction and reduces blood pressure, decreasing the heart's oxygen demand.

Pregnancy and breastfeeding

Pregnancy: Use only if benefits justify risks. Breastfeeding: Monitor nursing infant for potential pharmacological effects.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Toprol Xl

Toprol Xl contains metoprolol, a beta-blocker used for managing hypertension, angina pectoris and myocardial infarction prophylaxis. The same active ingredient is also marketed under brands like Betaloc Sa and Lopresor. Produced by AstraZeneca, this medication is available as a tablet in strengths of 25mg, 50mg and 100mg.

Buying Toprol Xl online

Toprol Xl is registered across 13 markets including South Korea, Japan and the UAE, with distribution also supported in Singapore, Hong Kong and Thailand. Because generic metoprolol is substantially more affordable than the original brand, this is one of the most ordered medications for expats and residents across the region who require consistent access to their maintenance therapy. This product can be ordered online for delivery within these jurisdictions.