How
should Nitro-Dur be used?
Nitro-Dur
comes as a patch you apply to the skin. It is usually applied once
a day. Your doctor may tell you to remove the patch at a certain
time each day. Follow the directions on your label
carefully, and ask your doctor or pharmacist to explain any part
you do not understand. Use the nitroglycerin skin patch exactly
as directed. Do not apply it more or less often than prescribed
by your doctor.
Nitro-Dur
skin patches control chest pain but do not cure it. Continue to
use the Nitro-Dur skin patch even if you feel well. Do not stop
using the Nitro-Dur skin patch without talking to your doctor. Stopping
the drug abruptly may cause chest pain.
Apply the patch
to clean, dry skin that is relatively free of hair (above your knee)
or upper arm (above your elbow). Avoid irritated, scarred, broken,
and calloused skin. Select a different area each day to avoid skin
irritation. Be sure to remove the patch before you apply another
one.
If the patch
loosens or falls off, replace it with a fresh one. Fold the used
patch in half with the sticky sides together and dispose of it carefully.
The patch still contains active medication that could be harmful
to children or pets.
Nitro-Dur
can lose its effectiveness when used for a long time. This effect
is called tolerance. If your angina attacks happen more often, last
longer, or are more severe, call your doctor.
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What
special precautions should I follow?
Before
using a Nitro-Dur skin patch, tell
your doctor and pharmacist if you are allergic to nitroglycerin
skin patches, tablets, capsules, or ; isosorbide (Imdur, Isordil,
Sorbitrate); or any other drugs.
tell your doctor and pharmacist what
medications you are taking, especially aspirin; beta blockers such
as atenolol (Tenormin), carteolol (Cartrol), labetalol (Normodyne,Trandate),
metoprolol (Lopressor), nadolol (Corgard), propranolol (Inderal),
sotalol (Betapace), and timolol (Blocadren); calcium channel blockers
such as amlodipine (Norvasc), diltiazem (Cardizem), felodipine (Plendil),
isradipine (DynaCirc), nifedipine (Procardia), and verapamil (Calan,
Isoptin); dihydroergotamine (D.H.E. 45); sildenafil (Viagra); and
vitamins.
tell your doctor if you have or have ever had low red blood cell
counts (anemia), glaucoma, or recent head trauma.
tell your doctor if you are pregnant, plan to become pregnant, or
are breast-feeding. If you become pregnant while using a nitroglycerin
skin patch, call your doctor.
if you are having surgery, including dental surgery, tell the doctor
or dentist that you are using a nitroglycerin skin patch.
you should know that Nitro-Dur may make you drowsy or dizzy. Do
not drive a car or operate machinery until you know how Nitro-Dur
affects you.
ask your doctor about the safe use of alcoholic beverages while
you are using a nitroglycerin skin patch. Alcohol can make the side
effects from the Nitro-Dur skin patch worse.
What should I do if I forget a dose?
Apply the missed dose as soon as you remember it. However, if it
is almost time for the next dose, skip the missed dose and continue
your regular dosing schedule. Do not apply a double dose to make
up for a missed one.
What side effects can
Nitro-Dur cause?
Side effects from Nitro-Dur skin patches are common. Tell your doctor
if any of these symptoms are severe or do not go away:
headache
skin irritation or rash
dizziness
upset stomach
headache
flushing (feeling of warmth)
If you experience any of the following symptoms, call your doctor
immediately:
blurred
vision
dry mouth
chest pain
fainting
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