Nadolol Side Effects

Medically reviewed by Drugs.com. Last updated on Jan 20, 2025.

Applies to nadolol: oral tablet.

Precautions

It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly and to check for unwanted effects .

Nadolol may cause heart failure in some patients. Check with your doctor right away if you are having chest pain or discomfort; dilated neck veins; extreme fatigue; irregular breathing; an irregular heartbeat; shortness of breath; swelling of the face, fingers, feet, or lower legs; weight gain; or wheezing .

This medicine may cause changes in your blood sugar levels. Also, this medicine may cover up signs of low blood sugar, such as a rapid pulse rate. Check with your doctor if you have these problems or if you notice a change in the results of your blood or urine sugar tests .

Make sure any doctor or dentist who treats you knows that you are using this medicine. You may need to stop using this medicine several days before having surgery .

Serious side effects of nadolol

Along with its needed effects, nadolol may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking nadolol:

Other side effects of nadolol

Some side effects of nadolol may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

For healthcare professionals

Applies to nadolol: compounding powder, oral tablet.

General adverse events

The most common adverse reactions were bradycardia, cardiac failure, rhythm/conduction disturbances, symptoms of peripheral vascular insufficiency, hypotension, dizziness, and fatigue.^[Ref]

Cardiovascular

• Common (1% to 10%): Heart rate less than 60 beats per minute (bpm), heart rate less than 40 bpm, cardiac failure, rhythm/conduction disturbances, symptoms of peripheral vascular insufficiency usually of the Raynaud type, hypotension
• Frequency not reported: First degree and third degree heart block, cold extremities^[Ref]

Nervous system

• Common (1% to 10%): Dizziness
• Uncommon (0.1% to 1%): Paresthesias, sedation, headache, slurred speech, tinnitus
• Frequency not reported: Lightheadedness^[Ref]

Other

• Common (1% to 10%): Fatigue^[Ref]

Gastrointestinal

• Uncommon (0.1% to 1%): Nausea, diarrhea, abdominal discomfort, constipation, vomiting, indigestion, bloating, flatulence, dry mouth^[Ref]

Dermatologic

• Uncommon (0.1% to 1%): Rash, pruritus, dry skin, sweating, facial swelling
• Frequency not reported: Reversible alopecia^[Ref]

Respiratory

• Uncommon (0.1% to 1%): Cough, nasal stuffiness, bronchospasm^[Ref]

Metabolic

• Uncommon (0.1% to 1%): Anorexia, weight gain
• Frequency not reported: Hypoglycemia^[Ref]

Ocular

• Uncommon (0.1% to 1%): Dry eyes, blurred vision^[Ref]

Psychiatric

• Uncommon (0.1% to 1%): Change in behavior
• Frequency not reported: Insomnia^[Ref]

Genitourinary

• Uncommon (0.1% to 1%): Impotence or decreased libido^[Ref]

See also:

Further information

Nadolol side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer