Atropine: uses, side effects & brands

Written & medically reviewed by Dr. Sanjay Anbu, MBBS · Last reviewed 5 November 2026

Atropine speeds a dangerously slow heart and is used in certain poisonings. It belongs to the Emergency & critical-care medicine group. These are used in medical emergencies, usually by trained staff.

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Drug type — dosing is set by your doctor

Measure	Range
Drug class	Emergency & critical-care medicine
Type	Prescription
Dose	Individual — ask your doctor or pharmacist

What it is used for

Dangerously slow heart rate (bradycardia), in emergencies
Poisoning with organophosphate insecticides or nerve agents
Reducing saliva and airway secretions before or during anaesthesia
Eye drops to widen the pupil for eye examinations or some eye conditions

Common brand names

India: Atropine, Tropine
Worldwide: (atropine injection brands)

Common side effects

Dry mouth and thirst
Fast heartbeat
Blurred vision and sensitivity to light
Difficulty passing urine, flushing or feeling hot

Before taking it — precautions

Usually given by doctors or nurses in hospital or emergency care
Tell the doctor about glaucoma, an enlarged prostate or urine retention
Heart disease, fast heart rhythms and very hot weather need extra care

When to see a doctor urgently

Confusion, agitation or hallucinations (urgent)
Very fast or pounding heartbeat with chest pain (urgent)
Severe eye pain with a red eye or sudden vision change (urgent)

Not a prescription — no dose shown. The right dose of atropine depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.

Frequently asked questions

Why is atropine used in pesticide poisoning?

Organophosphate pesticides overstimulate nerves, causing heavy sweating, drooling, a slow pulse and breathing trouble. Atropine blocks these effects while other treatment is given in hospital.

Why are my eyes blurry after atropine eye drops?

Atropine widens the pupil and relaxes focusing, so near vision blurs and light feels bright. This can last for days; do not drive until vision is clear.

Can atropine be used at home?

Injected atropine is an emergency hospital medicine. Atropine eye drops are only used as prescribed by an eye doctor.

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Sources & further reading

Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.