Ryzumvi / Phentolamine Reversal Drop
Also known as Phentolamine Ophthalmic Solution, Dilation Reversal Drop, Mydriasis Reversal Drop, Nyxol, Pupil Dilation Reversal
Bottom Line
Ryzumvi is a prescription drop used after dilation drops. It helps pupils return toward normal size sooner after an eye exam.
Ryzumvi is phentolamine ophthalmic solution 0.75%. The label lists it for reversing dilated pupils caused by exam or procedure drops 1.
Dilated pupils can cause light sensitivity and blurry near vision. A clinical study evaluated phentolamine ophthalmic solution for reversal of pharmacologically induced mydriasis 2.
The label dosing is one or two drops in each dilated eye after the exam, based on the dilation drops used 1.
How It Works
Many dilation drops open the pupil by affecting iris muscles. Phentolamine blocks part of that signal, helping the pupil return toward normal size.
A clinical study evaluated reversal of pharmacologically induced mydriasis with phentolamine ophthalmic solution 2.
Side Effects
The label lists eye discomfort, redness, and taste change among possible adverse reactions 1.
Call your eye doctor for severe pain, sudden vision loss, strong redness, discharge, or swelling.
Cost and Insurance
Ryzumvi is a brand-name prescription drop used in eye care settings. Coverage and out-of-pocket cost vary.
- Ask whether the office stocks it.
- Ask whether it is billed through medical or pharmacy benefits.
- Ask about cost before the exam if dilation recovery matters to you.
Common Questions About Ryzumvi
Next Steps
- 1Ask before dilation whether reversal drops are available.
- 2Tell the eye care team if you must read, work, or drive later.
- 3Use sunglasses after dilation until light sensitivity improves.
- 4Do not drive until vision is safe.
- 5Call for severe pain, sudden vision loss, or strong redness.
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