aclidinium vs tiotropium
Side-by-side comparison of aclidinium and tiotropium Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Tudorza Pressair
Spiriva
Duaklir Pressair is a combination medicine used to help people with COPD breathe better. It contains two medicines that open up the airways in your lungs.
STIOLTO RESPIMAT is a medicine that combines two drugs to help people with COPD breathe easier. It is used daily to keep airways open.
Duaklir Pressair is used to treat chronic obstructive pulmonary disease (COPD). COPD is a long-term lung disease that makes it hard to breathe. This medicine helps to open the airways and make it easier to breathe for people with COPD.
STIOLTO RESPIMAT is used to treat chronic obstructive pulmonary disease (COPD). COPD includes chronic bronchitis and emphysema. This medicine helps you breathe better over a long period. It is not for sudden breathing problems.
Duaklir Pressair contains two medicines that work in different ways. One medicine relaxes the muscles around your airways, opening them up. The other medicine prevents the muscles from tightening.
This medicine contains two drugs that work in different ways. Tiotropium helps to relax the muscles around your airways, opening them up. Olodaterol also opens airways by relaxing airway muscles.
- • Upper respiratory infection
- • Headache
- • Back pain
- • Common cold
- • Cough
- • Back pain
- Difficulty breathing 1,869
- Inhaler not working correctly 1,281
- Skipped a dose of medicine 1,017
- Asthma 814
- Chronic obstructive pulmonary disease (COPD) 764
- Using the medicine the wrong way 23,320
- Difficulty breathing 22,319
- Asthma 10,817
- Medicine not working 9,386
- Cough 8,611
LABAs, such as formoterol fumarate, one of the active ingredients in DUAKLIR PRESSAIR, increase the risk of asthma-related death. Duaklir Pressair is not for asthma. Do not use Duaklir Pressair if you are allergic to milk proteins or any of the ingredients in it. Tell your doctor if you have heart problems, glaucoma, trouble urinating, diabetes, or seizures.
LABA medicines like the one in STIOLTO RESPIMAT can be dangerous for people with asthma if they don't also use an inhaled steroid medicine. Do not use STIOLTO RESPIMAT to treat sudden COPD symptoms. Using too much STIOLTO RESPIMAT can cause serious heart problems and may be fatal. If you have a bad reaction, like swelling or trouble breathing, stop using STIOLTO RESPIMAT right away.
It is not known if Duaklir Pressair will harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if this medicine passes into breast milk. Talk to your doctor about the best way to feed your baby if you are taking Duaklir Pressair.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if STIOLTO RESPIMAT will harm your unborn baby. Talk to your doctor about the risks and benefits of using this medicine during pregnancy.
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How to Read This aclidinium vs tiotropium Comparison
aclidinium is classified in the Long-Acting Muscarinic Antagonist (LAMA) drug class, while tiotropium sits within the Long-Acting Muscarinic Antagonist (LAMA) class. Because both drugs share the same classification, they are often considered interchangeable in theory — but clinical outcomes rarely track that cleanly. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, aclidinium has 5,745 submissions while tiotropium has 74,453. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between aclidinium and tiotropium — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.