Atenolol Side Effects, Medical Uses, Interactions and More

Atenolol Side Effects

Medicines and drugs may lead to some side effects, but lots of people have no side effects, or slight side effects. Confirm with the doctor if a few of these COMMON side effects endure or turn out to be bothersome while using Atenolol:

  • Diarrhea;
  • Cold toes or fingers;
  • Giddiness;
  • Drowsiness;
  • Headaches;
  • Lightheadedness;
  • Feeling short on energy;
  • Tiredness;
  • Nausea.

It is recommended that you request medical attention without ado if any SEVERE Atenolol side effect occurs when with Atenolol:

Severe allergic reaction like:

  • Rashes;
  • Hives;
  • Itch;
  • Trouble breathing;
  • Tension in chest;
  • Puffiness of the lips, face, mouth, or tongue;
  • Decreased urination;
  • Blue toenails, fingernails, or palms;
  • Fast, sluggish, or unbalanced heartbeat;
  • Fainting;
  • Increase in thirst;
  • Psychological or mood changes (for e.g., depression);
  • Restlessness;
  • Muscle ache, weakness or cramps;
  • Harsh joint ache (particularly the big toe);
  • Harsh or unrelenting vomiting, nausea, or dry mouth;
  • Harsh or unrelenting dizziness, sleepiness or weakness;
  • Sluggishness;
  • Puffiness of the feet or hands;
  • Difficulty breathing;
  • Abnormal bruising or blood loss;
  • Yellowing in the eyes and skin;
  • Feeling shortness of breath, due to mild exertion;
  • Inflammation of your feet or ankles;
  • Dark urine;
  • Loss in appetite;
  • Clay-colored stools;   
  • Depression.   

Less grave side effects of Atenolol might consist of:

  • Impotence,  Decrease in sex drive, or trouble reaching an orgasm;
  • Trouble sleeping (insomnia);
  • Feeling tired;
  • Anxiety,
  • Uneasiness.

Side effects apart than the ones that are listed here might also crop up. Speak to your health care provider regarding any other side effect that appears to be strange or which is particularly bothersome.

This isn’t the entire list of Atenolol side effects which a person might be prone to. If you’ve got any queries about Atenolol side effects, get in touch with your doctor or pharmacist. Call your healthcare provider for medical counseling regarding side effects of Atenolol.


Drug Class and Mechanism:

This drug’s a blocking agent (beta-adrenergic) that obstructs the outcome of any adrenergic drugs, such as, epinephrine or adrenaline, on the nerves of the sensitive nervous system. An important function of beta-adrenergic stimulus is to fuel a person’s heart to beat quickly. By obstructing the stimulus within the nerve, Atenolol decreases the heart tempo and is helpful in treating unusually rapid heart rhythm. Furthermore, Atenolol diminishes the force of contractions in heart muscles and lowers the blood pressure. As a result of dropping the heart tempo, the power of muscle contractions, plus the blood pressure, in opposition to which the heart ought to pump, Atenolol decreases the labor of heart muscles in addition to the requirement of the muscles for oxygen. Because angina crops up when the oxygen requirement of the heart muscles exceed the supply, this drug is useful in the treatment of angina. Atenolol was permitted during August 1981by FDA.

Approved For:

Atenolol is approved for patients who have elevated blood pressure or hypertension issues. It’s also made use of to take care of chest soreness (or angina pectoris) linked with coronary artery ailment. Atenolol moreover is helpful in slowing and modifying certain kinds of abnormally hasty heart rates (or tachycardias). In addition, it’s prescribed for severe myocardial infarction (or heart attack). Other applications of Atenolol consist of the deterrence of migraine headaches, as well as, the management of certain type of trembling (family or inherited essential trembling).

Drug Interactions:

Digoxin (Lanoxin) and Calcium channel blockers can source low blood pressure and the heart tempo to hazardous levels when taken collectively with Atenolol. This drug can disguise the early caution indications of hypoglycemia or stumpy blood sugar, and ought to be made use of with vigilance in patients getting treated for diabetes.

Nursing Mothers:

This drug is emitted in a nursing mother’s breast milk and might cause unfavorable effects for an infant.


Atenolol might cause damage and development retardation inside the fetus when used by pregnant women.

About Atenolol:

Atenolol belongs to a cluster of drugs known as beta-blockers. The Beta-blockers influence the heart and transmission (blood surge through veins and arteries).

Atenolol is made use of to take care of angina (or chest pain) and elevated blood pressure (hypertension). It’s also made use of to treat or avert a heart attack.

Vital Information Regarding Atenolol:

Don’t discontinue using Atenolol without talking first to your health care provider. Discontinuing suddenly might make your state worse.

In case you need to get any kind of surgical procedure done, you might need to momentarily discontinue taking Atenolol. Make sure that the doctor knows in advance that you’re taking Atenolol.

Atenolol could source side effects that might weaken your reactions or thoughts. Be cautious if you’re driving or doing anything that needs you to stay awake and vigilant. Keep away from consuming alcohol, which might increase sleepiness and dizziness when you’re using Atenolol.

Atenolol is merely a fraction of an inclusive plan of management for hypertension which might also take account of diet, work out, and weight management. Pursue your diet, medicine, and work out routines very strictly if you’re being cured for hypertension.

In case you’re being taken care of for elevated blood pressure, continue using this drug even in case you feel all right. Lofty blood pressure frequently does not show any symptoms. You might need to take blood pressure pills for all your life.

Store up Atenolol away from heat and moisture, and keep at room temperatures.


Prior To Using Atenolol:

One must not take this medication in case he/she is sensitive to Atenolol or in case he/she is having certain heart problems for instance heart block or sluggish heartbeats.

Prior To Using Atenolol, inform your health care provider in case you have:

  • Bronchitis, asthma, emphysema;
  • Stumpy blood pressure;
  • Diabetes;
  • Depression;
  • Any heart problem for example bad sinus syndrome, heart block, congestive heart failure or sluggish heart rate;
  • Kidney or liver ailment;
  • Any thyroid disarray;
  • Myasthenia gravis;
  • Difficulty in circulation (for example Raynaud’s syndrome).
  • Pheochromocytoma.

In case you face any of the above mentioned conditions, you might need a dosage adjustment or particular tests to securely take this prescription.


This drug can cause damage to an unborn child. Don’t use Atenolol in case you’re pregnant. Inform your health care provider if you turn out to be pregnant at some stage in treatment. Draw on an efficient variety of birth control when you’re taking this prescription. Atenolol is capable of passing into a nursing mother’s breast milk and might cause harm to a nursing newborn. Don’t use this drug without notifying your health care provider if you’re breast-feeding a newborn.


How to Use Atenolol:

  • Use Atenolol precisely as it has been given for you by your health care provider. Don’t take the drug in bigger amounts or even for longer durations than suggested by your health care provider. Pursue the instructions on your direction label.
  • Use this prescription with a filled tumbler of water.
  • Use Atenolol at similar time each day.
  • Don’t miss out dosage or discontinue using Atenolol without talking first to your health care provider. Discontinuing suddenly might make your state worse.
  • In order to be certain that this drug is serving your situation, a blood pressure examination needs to be done on a standard basis. Don’t overlook any scheduled appointments with your health care provider.


In Case You Forget A Dosage:

Consume the dose that you have missed the instant you remember. In case your subsequent dose is about 8 hours away, leave out the dose that you have missed and take the drug at the subsequent regularly planned time. Don’t use extra medication to make up for the dose that you have missed.

In Case Of an Overdose:

Seek immediate emergency health attention in case you feel you have consumed too much of the medication.

Symptoms of an Atenolol Overdose might consist of:

  • Shortness in  breath,
  • Irregular heartbeats,
  • Dizziness,
  • Bluish-color fingernails,
  • Fainting,
  • Weakness,
  • Seizure (or convulsions).


Things to Avoid When Using Atenolol:

This drug is capable of causing side effects which might impair your thoughts or reactions. In case you are to drive, or if you are doing something that needs you to be alert and observant, it is recommended that you be very careful. Avoid consuming alcohol, as that could add to drowsiness and lightheadedness when you’re using Atenolol.

Drugs That Will Have an Effect On Atenolol:

Ahead of taking Atenolol, inform your health care provider in case you’re taking:


  • Amiodarone (pacerone, cordarone);
  • Any allergy treatment (or in case you’re undergoing any allergy tests for your skin);
  • Digoxin (lanoxin, digitalis);
  • Clonidine (catapres);
  • Guanabenz (wytensin);
  • Disopyramide (norpace);
  • Any diabetes prescription for instance glyburide (micronase, diabeta, glynase), insulin, chlorpropamide (diabinese),  glipizide (glucotrol), or metformin (glucophage);
  • Any mao inhibitor for example tranylcypromine (parnate), isocarboxazid (marplan), selegiline (emsam, eldepryl) or phenelzine (nardil);
  • Medication for asthma or any additional breathing disorder, for example bitolterol (tornalate), albuterol (proventil, ventolin), pirbuterol (maxair), metaproterenol (alupent), theophylline (theolair,theo-dur) or terbutaline (brethine, brethaire, bricanyl);
  • Any heart medications for instance reserpine (serpasil), nifedipine (adalat, procardia), diltiazem (cardizem, cartia) or verapamil (verelan, calan, isoptin);
  • Cold medication, stimulant medication, or diet medication.


In case you’re taking any of the above mentioned drugs, you might not be capable of using Atenolol, or might call for a dosage adjustment or particular test for the duration of your Atenolol treatment.