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Atenolol Is A Selective β1 Receptor Antagonist.- Daynighthealthcare

By Expert Author: John Wharton

Atenolol is a medicine which is used in heart rhythm disorders, hypertension, angina and heart attacks.

Mechanism of action:

Aenolol tablets contain atenolol, which belongs to a group of medications called beta blockers. It is a selective beta-receptor antagonist, which means that it blocks the action of chemicals like adrenaline (epinephrine) that are released by the adrenal glands in response to nerve stimulation (for example due to stress) and work via beta-receptors to increase heart rate and constrict (narrow) blood vessels, amongst many other actions. Beta-receptors are found in many tissues, particularly the heart, kidneys, vascular smooth muscle in blood vessel walls, lung, skeletal muscle and liver. Atenolol in Atenolol tablets 50mg works by blocking stimulation of beta-receptors by adrenaline, which slows the heart rate and dilates (widens) blood vessels. This lowers blood pressure and increases blood flow and oxygen to the heart, which in turn decreases demand by the heart for oxygen, reduces the amount of work the heart has to do and helps the heart beat more regularly. All short-term and long-term symptom relief due to taking Atenolol is based on blocking beta-receptors in the target tissue.

Precautions:

Your prescriber may only prescribe this medicine with special care or may not prescribe it at all if you:

are about to have a procedure under an anaesthetic
are allergic or sensitive to or have had a reaction to any of the ingredients in the medicine
are elderly
are on haemodialysis
have asthma or other obstructive airways diseases
have certain heart problems
have circulation problems
have diabetes
have had anaphylactic reactions
have kidney problems
have low blood pressure
have metabolic problems
have phaeochromocytoma
have thyrotoxicosis


Drug interactions :

Several medications interact with Atenolol and should either not be taken while you are taking product name or only after discussion and instruction from your doctor:

Drugs that may cause a serious reaction with product name: calcium the channel blockers diltiazem, verapamil and nifedipine, the anti-arrhythmic disopyramide, other medicines for high blood pressure like clonidine
Drugs that affect Atenolol: adrenaline for emergencies like anaphylaxis, antiinflammatories like ibuprofen or indomethacin


Missed dose:

If you miss a dose of Atenolol tablets 50mg take it as soon as you remember, unless it is time to take the next dose, then skip the missed dose. Do not take a double dose.

How should Atenolol be stored?

You should store your Atenolol tablets 50mg below 25°C, protected from light and moisture.



Hi friends, this is John Wharton from USA. I am completed P.HD in Pharmacy. At present i am working with daynighthealthcare.co as medical adviser. Also i write blog on Men's and women's health also other health related disease; like Yamsin, mycophenolic acid tablets online, Xenical, Buy LIPITOR online, Forzest, etc.

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