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Aclidinium is available for use only in a dry powder inhaler.
Ipratropium alone and combined with albuterol
is available in metered-dose
inhaler (MDI) and
nebulizer forms. One medicine may be available in
multiple forms. Your doctor will help you decide which form is best for
Tiotropium is available only as a powder for
inhalation in a
dry powder inhaler.
Anticholinergics relax and enlarge
(dilate) the airways in the lungs, making breathing easier (bronchodilators). They may protect the airways from
spasms that can suddenly cause the airway to become narrower (bronchospasm).
They also may reduce the amount of
mucus produced by the airways.
Anticholinergics typically are
considered first-line therapy for treating persistent symptoms of
chronic obstructive pulmonary disease (COPD). Because
these medicines may take some time to have an effect on breathing, they usually
are taken on a regular schedule. They are used for both short- and long-term
relief of symptoms.
There are two types of
anticholinergics: short-acting and long-acting. The short-acting type relieves
symptoms and the long-acting type helps prevent breathing problems.
Short-acting anticholinergics are used for treating stable COPD in a person
whose symptoms come and go (intermittent symptoms). Long-acting
anticholinergics are effective and convenient for preventing and treating COPD
in a person whose symptoms do not go away (persistent symptoms).
A number of studies show that
inhaled anticholinergics improve lung function as measured by tests (spirometry). Tiotropium also can help lower the number of
In some cases, your doctor may prescribe more than one type of medicine to help you manage COPD.
All medicines have side effects. But many people don't feel the side effects, or they are able to deal with them. Ask your pharmacist about the side effects of each medicine you take. Side effects are also listed in the information that comes with your medicine.
Here are some important things to think about:
Call your doctor right away if you have:
Common side effects of this medicine include:
See Drug Reference for a
full list of side effects. (Drug Reference is not available in all
are thought of as the first-line treatment for the persistent symptoms in most
cases of COPD. But short-acting beta2-agonists may be the first choice for treating
symptoms of stable COPD that come and go (intermittent symptoms).
If you have the eye disease glaucoma, talk
with an eye doctor before you start taking anticholinergics. People who have
glaucoma may need to be watched more closely while they are taking these
may be done before and after you try an
anticholinergic for the first time to see whether the medicine has had an
effect. But even if the medicine has no measurable effect on your lung
function, it still may improve your quality of life.
normally are no better at delivering anticholinergics deep into the lungs than
a properly used metered-dose inhaler. Sometimes your doctor may prescribe a
nebulizer. A nebulizer can deliver a very large dose of medicine, but it
also may increase side effects of the medicine.
Most doctors recommend that everyone using a metered-dose inhaler also
use a spacer. But you should not use a spacer with a dry
powder inhaler (DPI).
Medicine is one of the many tools your doctor has to treat a health problem. Taking medicine as your doctor suggests will improve your health and may prevent future problems. If you don't take your medicines properly, you may be putting your health (and perhaps your life) at risk.
There are many reasons why people have trouble taking their medicine. But in most cases, there is something you can do. For suggestions on how to work around common problems, see the topic Taking Medicines as Prescribed.
If you are pregnant, breast-feeding, or planning to get pregnant, do not use any medicines unless your doctor tells you to. Some medicines can harm your baby. This includes prescription and over-the-counter medicines, vitamins, herbs, and supplements. And make sure that all your doctors know that you are pregnant, breast-feeding, or planning to get pregnant.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Complete the new medication information form (PDF)(What is a PDF document?) to help you understand this medication.
Drugs for asthma and COPD (2013). Treatment Guidelines From The Medical Letter, 11(132): 75–86.
Current as of:
January 24, 2014
E. Gregory Thompson, MD - Internal Medicine
& Ken Y. Yoneda, MD - Pulmonology
How this information was developed to help you make better health decisions.
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