Corgard (Nadolol) Customer Reviews


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Nadolol is utilized alone or in combination with other medications for the treatment of hypertension (high blood pressure) and prevention of angina (chest pain). Its primary function is to lower elevated blood pressure, thereby reducing the risk of strokes, heart attacks, and kidney complications. In the management of angina, nadolol can assist in diminishing the frequency of chest pain episodes and enhancing exercise capacity.

Nadolol is classified as a beta blocker medication, operating by obstructing the activity of specific naturally occurring substances such as adrenaline on the heart and blood vessels. This mechanism results in a decrease in heart rate, blood pressure, and cardiac strain.

Uses and Dosage

Nadolol is administered orally in the form of tablets. Typically, it is taken once daily, with or without food.

Establish a consistent time each day for taking nadolol to aid in remembering the dosage. Take nadolol precisely as directed, refraining from altering the dosage or frequency without medical approval.

Initially, your doctor may prescribe a low dose of nadolol, gradually increasing it as needed.

While nadolol effectively manages high blood pressure and angina, it does not offer a cure. It may take several weeks before experiencing the full benefits of nadolol. Continue taking nadolol as prescribed, even if you feel well.

Side Effects

Some side effects may occur that usually do not need medical attention:

  • dizziness or lightheadedness
  • excessive tiredness

Inform your healthcare provider immediately if you experience any serious side effects:

  • shortness of breath
  • swelling of the hands, feet, ankles, or lower legs
  • unusual weight gain
  • fainting


Prior to initiating nadolol, inform your doctor or pharmacist about any allergies you may have, including allergies to nadolol itself, other beta blockers (such as atenolol, propranolol), or any other substances. This product may contain inactive ingredients that can elicit allergic reactions or other complications.

Before using this medication, disclose your medical history to your doctor or pharmacist, particularly if you have certain types of heart rhythm problems, blood circulation problems, respiratory conditions, heart failure, kidney disease, mental/mood disorders, a specific muscle disease (myasthenia gravis), skin conditions, overactive thyroid disease (hyperthyroidism), or a particular type of tumor (pheochromocytoma).

This medication may induce dizziness or drowsiness. Consumption of alcohol or marijuana can intensify these effects. Refrain from driving, operating machinery, or engaging in activities that require alertness until you can do so safely.

This product may prevent the usual fast or pounding heartbeat that occurs when blood sugar levels drop too low (hypoglycemia). The risk is heightened if you have diabetes or if you are experiencing vomiting, fasting, or irregular eating patterns. Other symptoms of low blood sugar, such as dizziness and sweating, are not affected by this medication.

For individuals with diabetes, this product may pose challenges in controlling blood sugar levels. Monitor your blood sugar levels regularly as instructed by your doctor. Promptly inform your doctor if you experience symptoms of high blood sugar, such as increased thirst or urination. Your doctor may need to adjust your diabetes medication, exercise regimen, or diet.

Children may be at increased risk of low blood sugar (hypoglycemia) when using this medication, particularly if they are vomiting or not eating regularly. To mitigate the risk of low blood sugar, ensure that children maintain regular eating habits. If your child is unable to eat regularly, experiences vomiting, or displays symptoms of low blood sugar (such as sweating or shaking), promptly notify the doctor.

Older adults may be at a higher risk of side effects such as dizziness while using this medication.

During pregnancy, this medication should only be used if clearly necessary, as it may harm the unborn baby. Discuss the potential risks and benefits with your doctor.

This medication passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breastfeeding.

Form and Strength

Corgard is available in the following forms and strengths:

  • nadolol tablet:

    • 20mg
    • 40mg
    • 80mg
    • 160mg


Will taking Corgard make me feel dizzy?

While dizziness isn’t a common side effect of Corgard, some people do feel dizzy after they take this medication. That’s because Corgard affects your blood pressure and heart rate.

Does Corgard slow heart rate?

Corgard is a non-selective beta blocker. This type of medication slows down your heart rate and relaxes blood vessels.



Additional information

Generic name:



Scored Tablet, Tablet


20mg, 40mg, 80mg, 160mg

Quantities Available:

90, 100

Can Drug Store has provided information from third parties intended to increase awareness and does not contain all the information about Corgard (Nadolol). Talk to your doctor or a qualified medical practitioner for medical attention, advice, or if you have any concerns about Corgard (Nadolol).