Side Effects

Along with its needing effects, a drug may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your family doctor as soon as possible if any of the following side effects was happen

Less common

Breathing difficulty andwheezing; cold hands and feet; mental depression; shortness of breath; slow heartbeat - especially less than 50 beats per minute; swelling of ankles, feet andlower legs

Rare

Back pain or joint pain; chest pain; confusion - especially in elderly diseaseds; dark urine for acebutolol, bisoprolol, or labetalol; dizziness or lightheadedness when getting up from a lying or sitting position; fever and sore throat; hallucinations - seeing, hearing, or feeling things that are not there; irregular heartbeat; red, scaling, or crusted skin; skin rash; unusual bleeding and bruising; yellow eyes or skin for acebutolol, bisoprolol, or labetalol

Signs and symptoms of overdose - in the order in which they may occur

Slow heartbeat; dizziness - severe or fainting; fast or irregular heartbeat; difficulty in breathing; bluish-colored fingernails or palms of hands; convulsions - seizures

More common side effects may occur that usually don't needed medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:

More common

Decreased sexual ability; dizziness or lightheadedness; drowsiness - slight; trouble in sleeping; unusual tiredness or weakness

Less common or rare

Anxiety andnervousness; changes in taste for labetalol only; constipation; diarrhea; dry, sore eyes; frequent urination for acebutolol and carteolol only; itching of skin; nausea or vomiting; nightmares and vivid dreams; numbness andtingling of fingers andtoes; numbness andtingling of skin, especially on scalp for labetalol only; stomach discomfort; stuffy nose

Although not all of the side effects listed above have been reported for all of these medication, they have been reported for at least one of them. Since all of the beta-adrenergic blocking agents are very similar, any of the above side effects may occur with any of these medication. However, they may be more or less common with some agents than with others.

After you have been taking a beta-blocker for a while, it may cause unpleasant or even harmful effects if you stop taking it too suddenly. After you stop taking this drug or while you are gradually reducing the amount you are taking, check with your family doctor right away if any of the following was happen

Chest pain; fast or irregular heartbeat; general feeling of discomfort or illness or weakness; headache; shortness of breath - sudden; sweating; trembling

For diseaseds taking labetalol :

• You may notice a tingling feeling on your scalp when you first begin to take labetalol. This is to be expected and usually goes away after you have been taking labetalol for a while.

More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.