Coreg
Last Edited: April 16th, 2012

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Coreg, also known as Carvedilol, is primarily used to treat high blood pressure. It may also be used in heart attack patients that have suffered a reduction in pumping ability, called left ventricular dysfunction, or LVD. Treatment may include patients with specific types of heart failure, cardiomyopathy, or ischemia. Other uses may be deemed appropriate by your physician. Coreg is often administered in addition to other heart medications as a treatment plan.

What is some important information about Coreg?

Coreg must be taken exactly as prescribed. Failure to follow physician's orders may lead to chest pain and possible heart attack. If your doctor decides it is appropriate for you to stop taking the medication, a gradual tapering of the dosage is recommended.

Dizziness or fainting may occur when standing or changing positions suddenly. This is related to a blood pressure drop and is common due to the way the medication works on the heart and vessels. Your physician should be notified if this occurs. The medication may be taken with food to reduce the possibility of this effect. Driving and other hazardous activities should be done with caution during the beginning of therapy or with any dosage changes.

Coreg may reduce the ability to identify lowered blood sugar. Diabetics should monitor their glucose levels carefully while on Coreg and report extreme changes to their doctor. Kidney function reduction is rare but is possible. Your physician will monitor your kidney function at scheduled appointments. Do not miss any appointments or blood work that your physician recommends.

Weigh yourself daily and report gains of more than 2 pounds in 24 hours. Any shortness of breath or other symptoms of heart failure should be reported immediately.

Who should avoid use of Coreg?

Individuals with liver disease, breathing problems, and some serious heart conditions should not take Coreg. This includes patients with slow or irregular heartbeats. Patients should not take Coreg if they are allergic to it or any of its ingredients.

What should I tell my doctor before I take the first dose of Coreg?

Your doctor should be given a complete list of all current medications. This includes over-the-counter and herbal remedies, as some may interact with Coreg.

Your entire medical history should be reviewed, especially if you have any of the following:

  • Lung problems
  • Diabetes
  • Thyroid issues
  • Liver disease
  • Circulation issues
  • Pheochromocytoma

All of your care providers should be aware that you are taking Coreg. It may interact with anesthesia or surgeries. Because the effects of Coreg on pregnancy are unknown, your physician should know if you are pregnant or breastfeeding, or if you plan on becoming pregnant.

How should I take Coreg?

Many side effects can be avoided or reduced if taken with food. Take the medication at the same time of the day, every day. Doses should not be missed because your symptoms may worsen and may become fatal. Any changes in dosage will be ordered by your physician.

Are there food or drug interactions possible with Coreg?

Many different medications can alter the effect of Coreg. It is vital that your doctor is aware of all medications you are taking. Some important medications to review include:

  • calcium channel blockers (such as diltiazem or verapamil)
  • Cimetidine
  • Clonidine
  • Cyclosporine
  • Diabetes medications including insulin
  • Digoxin
  • Fluoxetine
  • MAO inhibitors, including the antidepressants phenelzine and tranylcypromine
  • Paroxetine
  • Propafenone
  • Quinidine
  • Reserpine
  • Rifampin

What are the possible side effects of Coreg?

Serious allergic reactions are rare but emergency medical attention should be sought if any of the following occur:

  • Shortness of breath
  • Swelling of the face, throat, lips, or tongue
  • Hives
  • Wheezing

Other symptoms may occur and your physician should be notified and monitored as appropriate. These may include:

  • Anemia
  • Back pain
  • Bronchitis
  • Cough
  • Diarrhea
  • Dizziness
  • Dry eyes
  • Fainting
  • Fatigue
  • Fluid in the lungs
  • Headache
  • Hyperglycemia
  • High cholesterol
  • Joint pain
  • Hypotension
  • Nausea or vomiting
  • Pain
  • Shortness of breath
  • Sinus problems
  • Slow heartbeats
  • Respiratory infections
  • Vision changes
  • Weakness
  • Weight gain