Coreg

If you wear contact lenses, you should know that Coreg can dry your eyes.

Possible food and drug interactions when taking Coreg

If Coreg is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Coreg with any of the following:

Calcium channel blockers (blood pressure and heart medications such as Calan, Cardizem, Isoptin, and Verelan)
Cimetidine (Tagamet)
Clonidine (Catapres)
Cyclosporine (Neoral, Sandimmune)
Diabetes pills such as Diabinese, Glucophage, and Rezulin
Drugs classified as MAO inhibitors, including the antidepressants Nardil and Parnate
Digoxin (Lanoxin)
Fluoxetine (Prozac)
Insulin
Paroxetine (Paxil)
Propafenone (Rythmol)
Quinidine (Quinaglute)
Reserpine (Ser-Ap-Es)
Rifampin (Rifadin)

Special information if you are pregnant or breastfeeding

Coreg has not been adequately studied in pregnant women; and it is not known whether the drug appears in breast milk. If you are pregnant or plan to become pregnant, check with your doctor immediately.

Recommended dosage

ADULTS

Hypertension

The starting dose is 6.25 milligrams twice a day with food. Your doctor may raise the dosage every 1 or 2 weeks to a maximum of 50 milligrams a day.

Congestive Heart Failure

The starting dose is 3.125 milligrams twice a day with food. Your doctor may increase the dosage every 2 weeks. The maximum dosage, for people weighing over 187 pounds, is 100 milligrams a day.

Left Ventricular Dysfunction Following a Heart Attack

The starting dose ranges from 3.125 to 6.25 milligrams twice a day with food. Your doctor may increase the dosage after 3 to 10 days to 12.5 milligrams twice a day. Based on your response, the doctor may again increase the dose up to a maximum of 25 milligrams twice a day.

CHILDREN

The safety and effectiveness of Coreg have not been studied in children under 18.

Overdosage

Any medication taken in excess can have serious consequences. If you suspect an overdose, seek medical treatment immediately.

• Symptoms of Coreg overdose may include:
  Breathing difficulties, loss of consciousness, seizures, heart problems, slow heartbeat, very low blood pressure, vomiting