Atenolol Composition – Atenolol 25 MG
Manufactured By – Ipca Laboratories Ltd
Prescription – Prescription Required
Form – Tablet
Price – Rs 30.69
Quantity – 14 tablets in 1 strip

What is Atenolol?

  • Atenolol is a competitive beta 1-selective adrenergic antagonist.
  • Atenolol medicine is used for lowering high blood pressure and relieving chest pain caused due to the reduced blood flow to the heart.
  • This is also used for treating other complications associated with heart and blood vessels.
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Uses of Atenolol

Atenolol is prescribed for:

  • Hypertension
  • Angina Pectoris
  • Myocardial Infarction

How does Atenolol work?

  • Atenolol is used as an antihypertensive, hypotensive and antiarrhythmic.
  • Atenolol works by relaxing the blood vessels and slowing the heart rate resulting in smooth blood flow and decreased blood pressure.
  • This drug reduces exercise heart rates and delays atrioventricular conduction, with overall oxygen requirements decreasing.
Read About: Azo | Antacid | Azro Tablet

How to take Atenolol?

Atenolol is administered orally in the form of tablet, taken once a day.

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Common dosage of Atenolol

  • Usual adult dose for hypertension is 50 mg orally once a day which can be increased to a maximum of 100 mg per day.
  • Adult dose for angina pectoris prophylaxis is 50 mg orally once a day. Maximum dose is 200 mg per day.
  • For angina pectoris, initial dose is 50 mg orally once a day.
  • Dose for myocardial infarction is 50 mg orally twice a day or 100 mg orally once a day.
  • Geriatric dose for hypertension is 25 mg orally once a day.
Read About: Alce Dosage | Azo Dosage

When to avoid Atenolol & Precautions to take?

  • Avoid using Atenolol if you are allergic to it or any other inactive ingredients present along with it.
  • Consumption of alcohol is not recommended during treatment with atenolol.
  • Atenolol medicine is not recommended for use in patients with a known history of cardiogenic shock or a heart block greater than first degree.
  • Patients with sinus bradycardia, uncompensated cardiac failure, severe pulmonary edema, asthma are not recommended this medicine for use.
  • Caution is advised in patients with glaucoma, diabetes, pheochromocytoma, lung diseases and hyperlipidemia.
  • Athletes are advised not to indulge in certain sports like archery, racing, shooting and other high-risk sports while receiving this medicine.
  • Atenolol medicine should be administered with caution in patients with increased thyroid levels.
  • Abrupt withdrawal of this drug may lead to a life-threatening condition called thyroid-storm.
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Side Effects of Atenolol

  • Blurred vision
  • Difficulty in breathing
  • Sweating
  • Cold hands or feet
  • Anxiety
  • Chest pain
  • Dizziness
  • Decrease in frequency of urination
  • Increased thirst
  • Loss of appetite
  • Trouble sleeping
  • Diarrhea
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Effect on organs?

  • Cardiovascular reactions- Bradycardia, hypotension, cold extremities, heart failure deterioration, heart block precipitation, postural hypotension with or without syncope.
  • Other reactions- Tiredness, fatigue.
  • Nervous system reactions- Dizziness, vertigo, lightheadedness, lethargy, drowsiness.
  • Psychiatric reactions- Depression, dreaming.
  • Respiratory reactions- Wheezing, dyspnea, pulmonary emboli.
  • Gastrointestinal reactions- Gastrointestinal disturbances, diarrhea, nausea.
  • Musculoskeletal reactions- Leg pain.

 Reported allergic reactions?

Allergic reactions may include:

  • Rash
  • Itching
  • Trouble breathing
  • Swelling of face, throat, hands/legs

Drug interactions to be careful about?

  • Alprazolam
  • Diltiazem
  • Theophylline
  • Diclofenac

Shows effects

The effect of this medicine can be observed within 1 hour of administration of the dose and lasts for an average duration of 12 to 24 hours.

 Storage Requirements for Atenolol

  • Keep it in an air-tight container.
  • Keep it away from direct light or moisture.
  • Keep it out of reach of children.

Pro Tips when taking Atenolol

  • Atenolol be taken with or without food.
  • This medicine should always be used as part of a comprehensive cardiovascular risk reduction program which includes diabetes management, smoking cessation, exercise, and other drug therapies.
  • Sudden withdrawal has been associated with an exacerbation of angina, and sometimes myocardial infarction (heart attack) or ventricular arrhythmias.
  • Follow a strict exercise and diet regimen along with this drug to get the best possible effect.


Is Atenolol addictive?


Can I have Atenolol with alcohol?


Any particular food item to be avoided?

Avoid orange juice.

Can I have Atenolol when pregnant?


Can I have Atenolol when feeding a baby?


Can I drive after taking Atenolol?


What happens if I overdose on Atenolol?

Overdose of Atenolol may cause bradycardia (slow heartbeat), severe hypotension with shock, acute heart failure, hypoglycemia and bronchospatic reactions.

What happens if I eat expired Atenolol?

Expired Atenolol may become ineffective in treating your prescribed conditions, thus to be on the safe side, it is important not to use expired drug.

What happens if I miss a dose of Atenolol?

If you miss a dose of Atenolol, skip it and continue with your normal schedule. Do not double dose for a missed one.








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