Question 1

What is Tiotropium used for?

Accepted Answer

Tiotropium is indicated for: chronic bronchitis, COPD, Feline asthma (refractory, adjunct).

Question 2

What routes can Tiotropium be administered by?

Accepted Answer

Available routes: Inhaled.

Question 3

Which species have cited Tiotropium dosing data?

Accepted Answer

Tiotropium dosing in the ExoticRx formulary covers 2 species: Cat (Domestic), Dog (Domestic).

Question 4

Is Tiotropium a controlled substance?

Accepted Answer

Tiotropium is not federally scheduled as a controlled substance, but is veterinary prescription only in most jurisdictions.

Question 5

What are the warnings or contraindications for Tiotropium?

Accepted Answer

Not for acute rescue. Dry mouth and urinary retention (anticholinergic). Difficult to deliver to veterinary patients. Investigational.

Question 6

What are the side effects of Tiotropium?

Accepted Answer

Not for acute rescue. Dry mouth and urinary retention (anticholinergic). Difficult to deliver to veterinary patients. Investigational.

Question 7

How does Tiotropium work?

Accepted Answer

Long-acting anticholinergic that selectively blocks M3 muscarinic receptors on airway smooth muscle, providing sustained bronchodilation for 24+ hours.

Species	Route	Dose	Frequency	Evidence	Source
Dog (Domestic)	Inhaled	2.5–5 mcg per treatment	q24h	Extrapolated	Veterinary Pulmonology Literature Review
Cat (Domestic)	Inhaled	2.5–5 mcg per treatment	q24h	Extrapolated	Veterinary Pulmonology Literature Review

Tiotropium

Drug Class

Routes

Indications

Mechanism of Action

Side effects & warnings

Species with Tiotropium dosing data (2 dose rules)

Evidence levels across 2 dose rules

Backed by a published primary source

Sample dosing (2 of 2 cited rules)

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