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Ryzumvi

Generic: phentolamine mesylate

Verified·Apr 23, 2026
NDC
83368-075
RxCUI
2677793
Route
OPHTHALMIC
ICD-10 indication
I27.0

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About Ryzumvi

What is this medication? Ryzumvi is an ophthalmic solution containing phentolamine mesylate, which is an alpha-adrenergic receptor antagonist. It is primarily used to treat pharmacologically induced mydriasis, which is the medical term for pupil dilation caused by diagnostic eye drops. By targeting the iris dilator muscle, the medication helps the pupils return to their normal size more rapidly after a routine eye examination where dilation was necessary.

The medication is administered topically in a clinical environment to reverse the effects of drugs like phenylephrine or tropicamide. By speeding up the recovery of pupil diameter, Ryzumvi helps reduce common side effects of eye dilation, such as sensitivity to bright light and temporary vision impairment. It provides a way for patients to return to their daily activities with improved visual comfort shortly after their eye appointment.

Copay & patient assistance

Detailed copay and financial assistance information is not publicly available for this medication at this time. Please consult your pharmacist or the manufacturer's official patient support program for more details.

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Prescribing information

From the FDA-approved label for Ryzumvi. Official source: DailyMed (NLM) · Label effective May 31, 2024

Indications and usage
1 INDICATIONS AND USAGE Ryzumvi is indicated for the treatment of pharmacologically-induced mydriasis produced by adrenergic agonists (e.g., phenylephrine) or parasympatholytic (e.g., tropicamide) agents. Ryzumvi is an alpha adrenergic blocker indicated for the treatment of pharmacologically-induced mydriasis produced by adrenergic agonists (e.g., phenylephrine) or parasympatholytic (e.g., tropicamide) agents. ( 1 )
Dosage and administration
2 DOSAGE AND ADMINISTRATION Adults and Pediatric Patients Aged 12 Years or Older: Instill 1 or 2 drops in each dilated eye following the completion of the ophthalmic examination or procedure. If 2 drops are instilled, the second drop should be administered 5 minutes after the first drop. Pediatric Patients Aged 3 to 11 Years: Instill 1 drop in each dilated eye following the completion of the ophthalmic examination or procedure. One single-patient-use vial can be used to dose each dilated eye. Discard the single-patient-use vial immediately after use. • Adults and Pediatric Patients Aged 12 Years and Older: Instill 1 to 2 drops in each dilated eye following the completion of the ophthalmic examination or procedure to reverse mydriasis. ( 2 ) • Pediatric Patients Aged 3 to 11 Years: Instill 1 drop in each dilated eye following the completion of the ophthalmic examination or procedure to reverse mydriasis. ( 2 )
Contraindications
4 CONTRAINDICATIONS None. None. ( 4 )
Warnings and precautions
5 WARNINGS AND PRECAUTIONS Uveitis: Ryzumvi is not recommended to be used in patients with active ocular inflammation. ( 5.1 ) 5.1 Uveitis Ryzumvi is not recommended when active ocular inflammation (e.g., iritis) is present because adhesions (synechiae) may form between the iris and the lens. 5.2 Potential for Eye Injury or Contamination To avoid the potential for eye injury or contamination, care should be taken to avoid touching the vial tip to the eye or to any other surface. 5.3 Use with Contact Lenses Contact lens wearers should be advised to remove their lenses prior to the instillation of Ryzumvi and wait 10 minutes after dosing before reinserting their contact lenses.
Adverse reactions
6 ADVERSE REACTIONS The most common adverse reactions that have been reported are instillation site discomfort (16%), conjunctival hyperemia (12%), and dysgeusia (6%). ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Viatris at 1-877-446-3679 (1-877-4-INFO-RX) or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Ryzumvi was evaluated in 642 subjects in clinical trials across various subject populations. The most common ocular adverse reactions reported in > 5% of subjects were instillation site discomfort including pain, stinging, and burning (16%) and conjunctival hyperemia (12%). The only non-ocular adverse reaction reported in > 5% of subjects was dysgeusia (6%).
Use in pregnancy
8.1 Pregnancy Risk Summary There are no available data with Ryzumvi administration in pregnant women to inform a drug-associated risk. In animal toxicology studies, when phentolamine was administered orally to pregnant mice and rats during the period of organogenesis, skeletal immaturity and decreased growth was observed in the offspring at doses at least 24-times the recommended clinical dose. Additionally, a lower rate of implantation was seen in pregnant rats treated with phentolamine administered at least 60-times the recommended clinical dose. No malformations or embryofetal deaths were observed in the offspring of pregnant mice, rats, and rabbits administered phentolamine during the period of organogenesis at doses of at least 24-, 60-, and 20-times, respectively, the recommended clinical dose (see Data ) . Ryzumvi should only be used during pregnancy if the potential benefit justifies the potential risk to the fetus. Data Animal Data Oral administration of phentolamine to pregnant rats and mice at doses at least 24-times the recommended clinical dose (based on a body weight per surface area (mg/m 2 ) comparison with a 60-kg human) resulted in slightly decreased growth and slight skeletal immaturity of the fetuses. Immaturity was manifested by increased incidence of incomplete or unossified calcanei and phalangeal nuclei of the hind limb and of incompletely ossified sternebrae. At oral phentolamine doses at least 60-times the recommended clinical dose (based on a mg/m 2 comparison with a 60-kg human), a slightly lower rate of implantation was found in rats. Phentolamine did not affect embryonic or fetal development in rabbits at oral doses at least 20-times the recommended dose (based on a mg/m 2 comparison with a 60-kg human). No malformations or embryofetal deaths were observed in the rat, mouse or rabbit studies.

Label text is reproduced as-is from the FDA-approved label. We do not paraphrase, summarize, or omit. Content above is for informational purposes only and is not medical advice. Always consult your prescribing clinician or pharmacist before making decisions about your medication.

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How this page is sourced

  • Drug identity verified against openFDA NDC Directory.
  • Label text (when shown) originates from NLM DailyMed.
  • Copay and assistance URLs verified periodically; if you hit a broken link, tell us.