About Metoprolol
Medically reviewed by Dr Khizer Hussain Junaidy, MD Pharmacology, Diabetologist & Bariatric Physician, on 23 Oct 2026.
What it is for
A beta blocker. Lowers BP and heart rate, helps prevent angina, and is used after a heart attack and in heart failure.
How to take it
Take it at the same time every day. Do not crush or chew extended-release (XL) tablets. Break one in half only if it has a score line and your doctor has asked for half. Do not stop it suddenly.
Common side effects
- Tiredness, cold hands and feet.
- Slow pulse.
- Vivid dreams.
Call your doctor if
- Pulse below 50 with dizziness or fainting.
- Wheezing or breathlessness.
- Chest pain after missing doses.
Take care
Stopping suddenly can bring on chest pain. People with asthma should tell the doctor. It can hide the shaking of a low sugar.
From our clinic: Check your pulse once a day for the first weeks.