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Atropine (for the eye)

Ophthalmic Agent

Brand names:

Ocu-Tropine®, Atropine Care®

Other names:

Atropine Sulfate

Often used for:

Dilating the pupil of the eye, lazy eye, and some other eye conditions

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What is atropine?

Atropine for the eye is a type of ophthalmic (eye) medicine. It is used during eye exams to dilate or open the pupil. The pupil is the black part of the eye. 

This medicine may be given in the clinic, hospital, or at home.  

Atropine can be given by injection or IV for other health conditions.

Brain

Given in the eye as a liquid or ointment  

 
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Possible side effects

  • Blurry vision or vision changes
  • Light sensitivity
  • Red or watery eyes
  • Eye pain or irritation

Symptoms of an allergic reaction include: rash, hives, itching, chills, fever, headache, muscle ache, shortness of breath, coughing, tightness in the throat, swelling of the face or neck.

Not all patients who take atropine will experience these side effects. Common side effects are bolded, but there may be others. Please report all suspected side effects to your doctor or pharmacist.

Find more information on side effects.

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Tips for patients and families

Be sure to discuss all questions and instructions with your health care provider or pharmacist.

  • Have your child avoid activities that require clear eyesight while their pupils are dilated. 
  • Do not let your child do anything that could be dangerous, such as driving a car or riding a bike, until the effects of this medicine wear off.
  • Your child might be sensitive to bright lights after taking this medicine. Have them wear sunglasses for as long as your care team recommends.

Atropine at home:

  • Wash your hands before and after using this medicine.
  • Eye drops: Drop medicine into the eye using the dropper provided. 
  • Eye ointment: Squeeze medicine into the eye as directed by your care team. 
  • Have your child keep their eyes closed for 1 to 2 minutes.
  • Make sure the tip of the medicine container does not touch your child’s eye, eyelid, or other skin. If it does, contact your care team to see if you should discard the medicine.
  • This medicine may be harmful if swallowed.
  • Store at room temperature and keep lid tightly closed.

Learn more about atropine

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Always check the medication label. Many medicines look the same. Do not take any new medicine, including over-the counter medicines or supplements, without checking with your doctor or pharmacist. Talk to your doctor or pharmacist about what to do in the case of a missed dose, allergic reaction, or medical emergency. 

This information is not intended to be a complete guide and is not a substitute for talking with your provider. Medicine names, appearance, formulas, or availability may vary by clinic location. Always follow the instructions given by your care team.

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Reviewed: June 2025