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Generic name: cyclopentolate ophthalmic [sye-kloe-PEN-toe-late] Brand names: Cyclogyl, Cylate
Drug class: Mydriatics

What is Cylate?

Cyclopentolate relaxes muscles within your eye, causing them to expand (widen) the pupil. Cylate (for the eyes) is used to dilate your pupils to prepare for an eye exam.Cylate is also employed for other purposes that are not covered in this guideline.

Side effects of Cylate

See a doctor immediately. If you experience any of the following symptoms, they are warning signs of an allergic reaction: difficulty breathing or swelling of your lips, face, and tongue.

Contact your family caregivers immediately. If you suffer from:

  • Blurred vision blurred vision, pain, or seeing a lot of light sources;
  • Extreme burning or redness in your eyes;
  • Drowsiness;
  • Constipation, very few or no urination;
  • Dry lips (or nose), less sweating;
  • Fast heartbeats; or
  • Fever, skin eruption, flushing (warmth or redness), or tingly sensation).

Children and infants could be more susceptible to negative side effects from cylate. At least for the first 30 minutes after the child is treated with cylate, look out for the following adverse negative effects:

  • Loss of coordination
  • Strange behavior changes;
  • Experiencing a sense of excitement or anxiety;
  • Confusion, speech problems, or
  • Feeding problems and stomach bloating.

Common adverse consequences of cylate can include:

  • Blurred vision
  • Minor eye irritation, mild eye irritation,
  • Puffy eyes; or
  • The eyes are much more sensitive.

This isn't a complete list of possible side effects, and other side effects could be present. Contact your doctor for advice regarding medical adverse effects. You can report any adverse reactions to the FDA at 1-800-FDA-1088.


This medicine is for you if you suffer from angle closure glaucoma.

Prior to use this drug

It is not recommended to take Cylate in the event that you've experienced an extremely allergic reaction to Cylate or if you suffer from angle-closure glaucoma. To ensure that Cylate is appropriate for you, consult your doctor if you suffer from glaucoma.

FDA pregnancy classification C It isn't known whether Cylate could harm an unborn baby. Consult your physician if you are expecting. It isn't known if the ophthalmic cyclopentolate is absorbed into breast milk or if it can harm a nursing infant. Inform your doctor if you are breastfeeding a child.

How to take Cylate?

The medicine is typically administered in the 40–50 minutes prior to your eye exam or any other procedure. A medical professional will apply eye drops into your eyes. When you have received the drops, you need to close your eyes for 2 to 3 minutes with your head down without blinking, blinking, or squinting. Press your finger gently to the inner corner of your eye to prevent the liquid from leaking into the tear duct. Cylate can trigger feeding issues for infants. When this medicine is given to your baby, ensure that you wait at least 4 hours before feeding the infant.

What happens if I miss the dose?

Because cylate is only used when it is required, it doesn't require a daily dose schedule.

What happens if I overdose?

Get medical attention in an emergency or contact the poison help line at 1-800-222-1222.

What should be avoided?

Cylate may cause blurred vision for as long as 24 hours after taking it. Be cautious if you drive or engage in any activity that requires you to be able to clearly see.

Cylate could cause your eyes to become more sensitive to sunlight. As long as the effects last, ensure your eyes are protected from bright sunlight.

Interaction with other drugs

It's unlikely that other medications you consume by mouth or inject could affect the eye's cyclopentolate. However, many medications can interact with each other. Inform your health care providers about the medications you take, including medications that are prescribed and available over the counter, vitamins, and herbs.