Nadolol Oral Tablet 20Mg Drug Medication Dosage Information
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Nadolol: Oral tablet (20mg)

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Drug Image file DrugItem_14587.JPG
Nadolol 20mg Tab
Sandoz Inc
Pill Identification: SZ 465 
Drug Image file DrugItem_7002.JPG
Nadolol 20mg Tab
Mylan Pharmaceuticals Inc
Pill Identification: M 28 
Drug Image file DrugItem_11072.JPG
Nadolol 20mg Tab
Teva Pharmaceuticals USA Inc
Pill Identification: Z 4235  |  20
Drug Image file DrugItem_2932.JPG
Nadolol 20mg Tab
Mylan Institutional LLC formerly UDL Laboratories Inc
Pill Identification: M 28 

What is this Medicine?

NADOLOL (nay DOE lole) is a beta-blocker. Beta-blockers reduce the workload on the heart and help it to beat more regularly. This medicine is used to treat high blood pressure and to relieve chest pain caused by angina.

CVS Pharmacy Patient Statistics for Nadolol: Oral tablet(20mg)
Generic vs. Brand Name Usage*
*Brand contains same active ingredient but may not represent FDA-approved generic equivalent
Usage By Strength
In-Depth Information
Select a Medication

Nadolol 20mg Tablet

NDC: 007811181
  • Prescription Required
  • Not a Controlled Drug
    (CSA Schedule)
  • FDA Approved




FDA approved for the following conditions:
Angina, Hypertension

Sometimes used for but not FDA approved for the following conditions:
Variceal Bleeding Prophylaxis, Migraine Prophylaxis, Esophageal Varices, Atrial Flutter, Anxiety, Portal Hypertension, Paroxysmal Supraventricular Tachycardia (PSVT) Prophylaxis, Atrial Fibrillation, Tremor, Ventricular Tachycardia Prophylaxis

Storage Information
Protect from moisture
Store at controlled room temperature (between 68 and 77 degrees F)
Protect from freezing
Avoid excessive heat (above 104 degrees F)
Nadolol 20mg Tablet
Drug Image file DrugItem_14587.JPG
Sandoz Inc
Pill Identification: SZ 465 
Shape: round
Color: white

Reported Side Effects for Nadolol 20mg Tablet

Paresthesias Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Vocal Cord Spasm Incidence:
<1.0%*
Severity: SEVERE
Onset: RAPID
Decreased Thinking Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
Hallucinations Incidence:
<1.0%*
Severity: MODERATE
Onset: EARLY
No White Blood Cells Incidence:
<1.0%*
Severity: SEVERE
Onset: DELAYED
Moschcowitz Syndrome Incidence:
<1.0%*
Severity: SEVERE
Onset: DELAYED
Dysarthria Incidence:
<1.0%*
Severity: MODERATE
Onset: DELAYED
Bruises Incidence:
<1.0%*
Severity: MILD
Onset: DELAYED
Headache Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Drowsiness Incidence:
<1.0%*
Severity: MILD
Onset: EARLY
Angioedema Incidence:
<1.0%*
Severity: SEVERE
Onset: RAPID
Depression Incidence:
<1.0%*
Severity: MODERATE
Onset: DELAYED
Visual Impairment Incidence:
<1.0%*
Severity: SEVERE
Onset: EARLY
Upset Stomach Incidence:
0.1-0.6%*
Severity: MILD
Onset: EARLY
Weight Gain Incidence:
0.1-0.6%*
Severity: MILD
Onset: DELAYED
Impotence (erectile Dysfunction) Incidence:
0.1-0.6%*
Severity: MODERATE
Onset: DELAYED
Decreased Sexual Desire Incidence:
0.1-0.6%*
Severity: MILD
Onset: DELAYED
Skin Rash Incidence:
0.1-0.6%*
Severity: MILD
Onset: EARLY
Hair Loss Incidence:
0.1-0.6%*
Severity: MILD
Onset: DELAYED
Decreased Appetite Incidence:
0.1-0.6%*
Severity: MILD
Onset: DELAYED
Constipation Incidence:
0.1-0.6%*
Severity: MODERATE
Onset: DELAYED
Cough Incidence:
0.1-0.6%*
Severity: MILD
Onset: DELAYED
Loose Stools Incidence:
0.1-0.6%*
Severity: MILD
Onset: EARLY
Exfoliative Dermatitis Incidence:
0.1-0.6%*
Severity: SEVERE
Onset: DELAYED
Gas Incidence:
0.1-0.6%*
Severity: MILD
Onset: EARLY
Stuffy Nose Incidence:
0.1-0.6%*
Severity: MILD
Onset: EARLY
Itching Incidence:
0.1-0.6%*
Severity: MILD
Onset: RAPID
Ringing In Ears Incidence:
0.1-0.6%*
Severity: MILD
Onset: DELAYED
Dry Eyes Incidence:
0.1-0.6%*
Severity: MILD
Onset: EARLY
Dry Skin Incidence:
0.1-0.6%*
Severity: MILD
Onset: DELAYED
Dry Mouth Incidence:
0.1-0.6%*
Severity: MILD
Onset: EARLY
Stomach Pain Incidence:
0.1-0.6%*
Severity: MILD
Onset: EARLY
Vomiting Incidence:
0.1-0.6%*
Severity: MILD
Onset: EARLY
Breathing Difficulties Incidence:
0.1%*
Severity: SEVERE
Onset: RAPID
Diaphoresis Incidence:
0.1-0.6%*
Severity: MILD
Onset: EARLY
Low Blood Pressure Incidence:
1.0%*
Severity: MODERATE
Onset: RAPID
Heart Failure Incidence:
1.0%*
Severity: SEVERE
Onset: DELAYED
Peripheral Vasoconstriction Incidence:
2.0%*
Severity: MODERATE
Onset: RAPID
Tired Incidence:
2.0%*
Severity: MILD
Onset: EARLY
Lightheadedness Incidence:
2.0%*
Severity: MILD
Onset: EARLY
Slow Heart Beat Incidence:
>10.0%*
Severity: SEVERE
Onset: RAPID
*This is an approximate aggregated range of reported side effects from clinical studies performed on this drug. Your experience with this drug may be different.
Daily Life Interactions for Nadolol 20mg Tablet

Elements of your daily lifestyle may have an effect on the medications you are taking. Drug interactions can result in unwanted side effects, reduce the effectiveness of your medicine or possibly increase the action of a particular medicine.

Major Lifestyle Interaction
Marijuana and Nadolol 20mg Tablet(Nadolol)
Marijuana and Beta-blockers(Nadolol)
Do not take Marijuana, Medical and Beta-Blockers (examples: Coreg, Metoprolol or Lopressor or Toprol, Nadolol or Corgard, Propranolol or Inderal) together without talking to your health care provider. Marijuana, Medical may decrease the effectiveness of Beta-Blockers. It is possible that Marijuana, Medical can cause high blood pressure, increased heart rate or other heart-related side effects in persons predisposed to these conditions, which may make the Beta-Blocker-type drug less effective at treating heart or blood pressure related problems.
Moderate Lifestyle Interaction
Alcohol and Nadolol 20mg Tablet(Nadolol)
Alcohol and Antihypertensives(Nadolol)
Although an interaction is possible, Ethanol (alchohol) and Antihypertensive Agents (drugs used to reduce high blood pressure) may be used together. Ethanol or alchohol-containing beverages may increase the effects of Antihypertensive Agents on your blood pressure. If the blood pressure drops too low while taking Ethanol and Antihypertensive Agents, you may become dizzy or feel faint. To limit this interaction, avoid alcohol-containing beverages while taking medicines to lower your blood pressure. Do not stand or sit up too quickly. Contact your prescriber if you have dizziness which does not go away.
Pregnancy & Lactation Information
FIRST Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

SECOND Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

THIRD Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

Lactation

Avoid - This drug is known to cause harm to infants when taken by nursing mothers.


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