Atenolol

Medically Reviewed by Harshi Dhingra, M.D.

Last Reviewed: Jun 17, 2022

Directions


How should I take atenolol (Tenormin)?

Take atenolol as directed by your healthcare professional and/or pharmacist. This is a prescription medicine to be taken by mouth 1-2 times a day. You can take it with or without food. Take your medicine at roughly the same time every day. 

Carefully follow the instructions on the prescription label. Take atenolol exactly as advised. Do not take a higher or lower dose of this medicine or take it more or less frequently than prescribed. 

It can take 1-2 weeks for the full effects of atenolol to develop. Atenolol brings down high blood pressure and prevents chest pain but is not a cure for these conditions. Continue taking atenolol even if you don’t have any symptoms. Do not stop atenolol without talking to your doctor first. Suddenly stopping this medication can cause chest pain and irregular heartbeat and increase the risk of a heart attack. Your doctor will reduce your dose gradually.

Missed dose: If you forget to take a dose of atenolol, take it when you remember. However, if it is almost time for your next dose, skip the missed dose and take your next dose at the regular time. Do not take an extra dose to make up for the missed dose.

Storage: Store atenolol at controlled room temperature (between 20°C to 25°C (68°F to 77°F)away from moisture, heat, and direct light in a tightly closed container. Keep all medications in a safe place out of reach of children and pets.

Unused medicine: Unneeded or expired atenolol should be disposed of carefully. Do not flush medicines down the toilet. The best way to do it is through a medicine take-back program. Learn more about proper medication disposal of prescription medicines.

NOTEThis sheet is a summary and does not constitute medical advice. It may not contain all critical safety information. If you have questions about atenolol, talk to your healthcare professional.


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