Question 1

What is Atropine used for?

Accepted Answer

Atropine is indicated for: Bradycardia, CPR protocol, organophosphate toxicity, Organophosphate toxicosis, Organophosphate/carbamate toxicity, Pre-anesthetic, Pre-anesthetic (rabbits without atropinase), Pre-anesthetic anticholinergic, reduce secretions.

Question 2

What routes can Atropine be administered by?

Accepted Answer

Available routes: IV, IM, SC.

Question 3

Which species have cited Atropine dosing data?

Accepted Answer

Atropine dosing in the ExoticRx formulary covers 10 species: African Grey Parrot, Ball Python, Bearded Dragon, Cat (Domestic), Cattle (Beef/Dairy), Dog (Domestic), Guinea Pig, Horse (Equine), Rabbit (Domestic), Swine (Pig).

Question 4

Is Atropine a controlled substance?

Accepted Answer

Atropine 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 Atropine?

Accepted Answer

Tachycardia, ileus, urinary retention. Increases myocardial oxygen demand. Rabbits have high atropinase activity — may need higher/more frequent doses or use glycopyrrolate instead.

Question 6

What are the side effects of Atropine?

Accepted Answer

Reported side effects, adverse reactions, and contraindications for Atropine: Tachycardia, ileus, urinary retention. Increases myocardial oxygen demand. Rabbits have high atropinase activity — may need higher/more frequent doses or use glycopyrrolate instead.

Question 7

How does Atropine work?

Accepted Answer

Competitive muscarinic receptor antagonist. Increases heart rate (vagolytic), reduces secretions, and mydriasis.

Species	Route	Dose	Frequency	Evidence	Source
Dog (Domestic)	IM	0.02–0.04 mg/kg	once	Strong	Plumb's Veterinary Drug Handbook, 9th Ed
Dog (Domestic)	IV	0.02–0.04 mg/kg	q15-20min	Strong	Plumb's Veterinary Drug Handbook, 9th Ed

Atropine

Drug Class

Routes

Indications

Mechanism of Action

Side effects & warnings

Species with Atropine dosing data (19 dose rules)

Evidence levels across 19 dose rules

Backed by 3 published sources

Sample dosing (2 of 19 cited rules)

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Other formulations of Atropine