Aug 4, 2022

Generic name: aclidinium [ A-kli-DIN-ee-um ]
Brand name:  Tudorza Pressair
Dosage form: inhalation powder (400 mcg/inh)
Drug class:  Anticholinergic bronchodilators

What is aclidinium?

Aclidinium is a bronchodilator.

Aclidinium is used to prevent bronchospasm in adults with  chronic bronchitis ,  emphysema , or other forms of  COPD  ( chronic obstructive pulmonary disease ).

Aclidinium may also be used for purposes not listed in this medication guide.


Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions,  allergies , and all medicines you use.

Before taking this medicine

You should not use aclidinium if you are allergic to aclidinium or to milk proteins.

To make sure aclidinium is safe for you, tell your doctor if you have:

  • narrow-angle  glaucoma ;
  • enlarged prostate ; or
  • bladder obstruction or other urination problems.

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It is not known whether aclidinium passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.

Aclidinium is not approved for use by anyone younger than 18 years old.

Related/similar drugs

Trelegy Ellipta ,  prednisone ,  Symbicort ,  Breo Ellipta ,  Ventolin ,  Xopenex ,  Ventolin HFA

How should I take aclidinium?

Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.

Aclidinium is not a rescue medicine. It will not work fast enough to treat an asthma attack. Use only a fast acting inhalation medicine for an  asthma  attack.

Aclidinium is a powder that comes with a special inhaler device preloaded with measured doses of this medicine. The device delivers a single dose each time you press a button on the inhaler.

Read all patient information, medication guides, and instruction sheets provided to you. Ask your doctor or pharmacist if you have any questions.

Aclidinium should be used at evenly spaced intervals, usually every 12 hours.

Use aclidinium regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.

Call your doctor or seek medical attention if you think your fast-acting inhaler medications are not working as well.

Store at room temperature away from moisture and heat. Keep this medicine in the sealed pouch until ready to use. Do not store the inhaler device on top of any surface that vibrates.

Throw the inhaler device away 45 days after you have taken it out of the sealed pouch, or if the dose indicator shows a zero or the device locks, whichever comes first. Each inhaler device contains 60 doses.

What happens if I miss a dose?

Use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking aclidinium?

If this medication gets in your eyes, rinse with water.

Aclidinium side effects

Get emergency medical help if you have signs of an allergic reaction:  hives , itching, rash; wheezing, chest tightness, trouble breathing; swelling of your face, lips, tongue, or throat.

Aclidinium may cause serious side effects. Call your doctor at once if you have:

  • wheezing, choking, or other breathing problems after using this medication;
  • blurred vision,  nausea ,  vomiting ,  eye pain  or redness, or seeing halos or bright colors around lights;
  • increased urination, painful or difficult urination;
  • little or no urinating; or
  • worsening or no improvement in your symptoms.

Common side effects of aclidinium may include:

  • stuffy nose,  sore throat , sinus pain;
  • cough; or
  • headache .

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Aclidinium side effects  (more detail)

Aclidinium dosing information

Usual Adult Dose for Chronic Obstructive Pulmonary Disease — Maintenance:

400 mcg (1 inhalation) orally twice a day

Use: Long-term maintenance treatment of bronchospasm associated with chronic obstructive pulmonary disease (COPD), including chronic bronchitis and emphysema

Detailed Aclidinium dosage information

What other drugs will affect aclidinium?

Tell your doctor about all your current medicines and any you start or stop using, especially:

  • bladder or urinary medicines such as  darifenacin ,  fesoterodine ,  oxybutynin ,  tolterodine ,  solifenacin ;
  • bronchodilators  such as aclidinium,  ipratropium , or  tiotropium ;
  • cold or allergy medicine that contains an antihistamine;
  • medication for  Parkinson’s disease ; or
  • medication to treat excess stomach acid,  stomach ulcer ,  motion sickness , or  irritable bowel syndrome .

This list is not complete. Other drugs may interact with aclidinium, including prescription and over-the-counter medicines,  vitamins , and  herbal products . Not all possible interactions are listed in this medication guide.

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