Common Use

Coreg is a medication that acts as a non-selective blocker of beta-adrenoreceptors and a selective blocker of alpha-receptors. The adrenergic system, which innervates the heart, releases norepinephrine, stimulating the heart muscle to beat more rapidly and forcefully. By blocking these receptors, Coreg reduces the heart's rate and force of contraction, making its workload easier. Additionally, Coreg relaxes arteries by blocking adrenergic receptors, leading to a decrease in blood pressure.

Dosage and Direction

Coreg should be taken twice daily with food, as this enhances the absorption of the medication. Do not stop or adjust the dosage without consulting your physician, as it may lead to serious cardiac complications like arrhythmias. Continue taking Coreg even if you feel well, as blood pressure medications are often required for lifelong management of the condition.

Precautions

Avoid using Coreg if you are allergic to it or have conditions such as asthma, bronchitis, emphysema, severe liver disease, or serious heart issues like heart block or sick sinus syndrome (unless a pacemaker is used). Inform your surgeon if you are taking Coreg. Avoid alcohol consumption two hours before or after taking this medication.

Contraindications

Coreg is contraindicated in cases of decompensated heart failure, chronic obstructive lung disease, asthma, bronchitis, cardiogenic shock, atrioventricular block (degree II and III), bradycardia, allergy to Coreg components, and sick sinus syndrome. Use with caution in patients with diabetes, low blood pressure, congestive heart failure, kidney disease, thyroid disorders, or circulation problems like Raynaud's syndrome.

Possible Side Effects

Seek immediate medical attention if you experience symptoms of an allergic reaction (hives, difficulty breathing, facial swelling), low or irregular heartbeats, light-headedness, fainting, shortness of breath, swelling in the ankles or feet, nausea, clay-colored stools, jaundice, or cold sensations in the hands and feet.

Drug Interactions

Coreg can mask symptoms of hypoglycemia (tremors, increased heart rate) in patients with diabetes, necessitating more frequent monitoring of blood sugar levels. Combining Coreg with calcium channel blockers may lead to irregular heart rhythms or increased blood pressure. Coreg may also elevate digoxin levels, while Rifampin can decrease Coreg's concentration in the blood.

Missed Dose

If you miss a dose, take it as soon as you remember. However, if it is less than four hours before your next dose, skip the missed dose. Do not double the dose to compensate for a missed one.

Overdose

In case of a suspected overdose, look out for symptoms such as uneven heartbeats, shortness of breath, bluish fingernails, dizziness, weakness, fainting, or seizures. Seek immediate medical assistance if these occur.

Storage

Store Coreg at room temperature, between 15-30°C (59-86°F), in a light-resistant container.

Disclaimer

The information provided here is general and does not cover all possible directions, drug interactions, or precautions. It is not intended for self-treatment or self-diagnosis. Always consult your healthcare provider for specific guidance. We disclaim any responsibility for the reliability of this information or any consequences arising from its use.