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Corgard
Corgard (generic name: nadolol) is a beta-blocker commonly prescribed to treat high blood pressure (hypertension) and chest pain (angina). By blocking specific receptors in the heart and blood vessels, Corgard helps reduce heart rate and blood pressure, making it easier for the heart to pump blood. This helps to lower the risk of strokes, heart attacks, and kidney problems.
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Frequently Asked Questions
How long does it take for Corgard to start working?
Corgard typically starts lowering blood pressure within a few hours, but it may take several weeks to see the full effects.
Can I drink alcohol while taking Corgard?
It’s best to limit alcohol intake, as it may increase some side effects of Corgard, such as dizziness and lightheadedness.
What should I do if I miss a dose?
If you miss a dose, take it as soon as you remember. If it’s close to the next dose, skip the missed dose and take the next one at the scheduled time. Do not double the dose to catch up.
Is it safe to use Corgard long-term?
Yes, Corgard is generally safe for long-term use when taken as prescribed, but regular monitoring by your healthcare provider is important.
Can Corgard be used for anxiety?
While not FDA-approved for anxiety, some healthcare providers may prescribe Corgard off-label to help manage symptoms of anxiety, particularly physical symptoms like rapid heart rate.
Comprehensive Drug Guide
How Does Corgard Work?
Corgard works by blocking the action of certain chemicals like epinephrine (adrenaline) on the heart and blood vessels. This action slows the heart rate and reduces the workload on the heart, thereby lowering blood pressure and decreasing the frequency and intensity of angina episodes. It is also used in some cases to manage abnormal heart rhythms.
Common Dosages
- 20 mg, 40 mg, 80 mg, and 160 mg tablets.
Typical Dosing
- For hypertension: The typical starting dose is 40 mg once daily. Depending on the response, the dose may be increased gradually to 80 mg or higher.
- For angina: The starting dose is 40 mg once daily, which may also be increased gradually as needed.
Typical Dosing
FDA Approved Indications
- Hypertension (high blood pressure)
- Angina (chronic chest pain)
Who Shouldn't Take Corgard?
- Bradycardia (slow heart rate)
- Severe heart block
- Uncontrolled heart failure
- Asthma or other severe breathing disorders
Advice From The Pharmacist
- Corgard is typically taken once a day, with or without food.
- Do not stop taking Corgard suddenly, as this may lead to serious heart problems. Gradual dose reduction is recommended under medical supervision.
- Monitor your blood pressure and heart rate regularly while taking Corgard.
Side Effects of Corgard
Common Side Effects
- Fatigue
- Dizziness
- Nausea
- Slow heart rate
Uncommon/Severe Side Effects
- Worsening heart failure
- Severe allergic reactions
- Breathing difficulties, especially in individuals with asthma
Risks and Warnings of Corgard
- Abrupt Discontinuation: Stopping Corgard suddenly can lead to worsening chest pain or even a heart attack. Always reduce the dose gradually under your doctor’s guidance.
- Asthma and Respiratory Conditions: Corgard may cause bronchospasm and should not be used by patients with asthma or severe respiratory conditions.
Interactions with Corgard
Common Drug Interactions
- Calcium channel blockers: Drugs like verapamil and diltiazem may increase the risk of low blood pressure or slow heart rate when taken with Corgard.
- Anti-diabetic medications: Corgard may mask the symptoms of low blood sugar, making it harder to recognize hypoglycemia.
Alternatives to Corgard
- Atenolol: Another beta-blocker used for similar conditions, but more selective for heart tissue.
- Metoprolol: A beta-blocker that is often used for hypertension and angina with more specific effects on heart rate.
- Propranolol: A non-selective beta-blocker that may be used for anxiety or migraine in addition to blood pressure management.
