Atenolol
Also sold as: Tenormin
Prescription neededBeta blockers
Comes as:Tablet
Usual adult dose
Usual adult dose: 25 to 50 mg once a day, up to 100 mg. Lower dose in kidney disease. Do not stop suddenly.
Your doctor may give you a different dose. Children's doses depend on weight.
Side effects
Common
- tiredness
- cold hands and feet
- slow heartbeat
- dizziness
- trouble sleeping
Serious — get help
Stop taking it and see a doctor straight away if you notice:
- very slow heartbeat
- fainting
- wheezing or breathlessness
Do not take it, or take care, if
- Asthma
- Very slow heartbeat or heart block
- Uncontrolled heart failure
- Diabetes (can hide signs of low blood sugar; use with caution)
- Pregnancy (may slow growth of the baby; ask your doctor)
Interactions
Medicines that can react with this one.
Serious1 medicineDo not take these together unless your doctor says so.
- Verapamil
Together they can cause very slow heartbeat, heart block and heart failure.