used with or without other medications to treat high blood
pressure (hypertension). Lowering high blood pressure helps
prevent strokes, heart attacks, and kidney problems. This medication is
also used to treat chest pain (angina) and to improve survival after
a heart attack.
belongs to a class of drugs known as beta blockers. It works by blocking
the action of certain natural chemicals in your body, such as epinephrine,
on the heart and blood vessels. This effect lowers
the heart rate, blood pressure, and strain on the heart.
tiredness, and nausea may occur. If any of these effects persist or
worsen, tell your doctor or pharmacist promptly.
reduce the risk of dizziness and lightheadedness, get up slowly when rising
from a sitting or lying position.
drug may reduce blood flow to your hands and feet, causing them to
feel cold. Smoking may worsen this effect. Dress warmly and
avoid tobacco use.
that your doctor has prescribed this medication because he or she has
judged that the benefit to you is greater than the risk of side effects. Many
people using this medication do not have serious side effects.
your doctor right away if you have any serious side effects, including: new or
worsening symptoms of heart failure (such as shortness of breath,
swelling ankles/feet, unusual tiredness, unusual/sudden weight gain), very
slow heartbeat, severe dizziness, fainting, trouble breathing, blue
fingers/toes, mental/mood changes (such as confusion, mood swings, depression).
very serious allergic reaction to this drug is rare. However, get
medical help right away if you notice any of the following symptoms of a
serious allergic reaction: rash, itching/swelling (especially of
the face/tongue/throat), severe dizziness, trouble breathing.
is not a complete list of possible side effects. If you notice other effects
not listed above, contact your doctor or pharmacist.
taking atenolol, tell your doctor or pharmacist if you are
allergic to it; or if you have any other allergies. This product may
contain inactive ingredients, which can cause allergic reactions or other
problems. Talk to your pharmacist for more details.
using this medication, tell your doctor or pharmacist your medical
history, especially of: certain types of heart rhythm problems (such
as slow heartbeat, second- or third-degree atrioventricular block), breathing
problems (such as asthma, chronic bronchitis, emphysema), blood circulation
problems (such as Raynauds disease, peripheral vascular disease), kidney
disease, heart failure, serious allergic reactions including those needing
treatment with epinephrine, a certain muscle disease (myasthenia gravis).
drug may make you dizzy. Alcohol or marijuana (cannabis) can make you
more dizzy. Do not drive, use machinery, or do anything that needs alertness
until you can do it safely. Limit alcoholic beverages. Talk to your
doctor if you are using marijuana (cannabis).
having surgery, tell your doctor or dentist about all the products
you use (including prescription drugs, nonprescription drugs, and herbal
you have diabetes, this product may mask the fast/pounding heartbeat you
would usually feel when your blood sugar falls too low (hypoglycemia).
Other symptoms of low blood sugar, such as dizziness and sweating,
are unaffected by this drug. This product may also make it harder to control
your blood sugar. Check your blood sugar regularly as directed
and share the results with your doctor. Tell your doctor right away if you have
symptoms of high blood sugar such as increased thirst/urination. Your doctor
may need to adjust your diabetes medication, exercise program,
your doctor if you are pregnant or plan to become pregnant. You
should not become pregnant while you are using this medication. Atenolol may
harm an unborn baby. If you become pregnant while using this medication, talk
to your doctor right away about its risks and benefits.
medication passes into breast milk and may have undesirable effects
on a nursing infant. Consult your doctor before breast-feeding.
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