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Miochol E

Generic: acetylcholine chloride

Verified·Apr 23, 2026
Manufacturer
Bausch and Lomb
NDC
24208-539
RxCUI
876551
ICD-10 indication
H57.03

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About Miochol E

What is this medication?

Miochol E is a prescription ophthalmic solution containing acetylcholine chloride, which is a cholinergic agent used to induce rapid miosis, or pupil constriction, during eye surgery. It is most commonly utilized during procedures such as cataract surgery, corneal transplants, and iridectomy. By causing the iris to contract quickly, the medication helps the surgeon stabilize the eye and protects the lens or other structures during the final stages of a surgical procedure.

The medication is administered as an intraocular injection directly into the eye by a healthcare professional during the operation. Because its effects are fast-acting but temporary, it is specifically designed for surgical use rather than as a daily treatment for chronic conditions. In addition to pupil constriction, it can assist in maintaining the proper position of an artificial lens or reducing the risk of certain complications immediately following the surgery.

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 Miochol E. Official source: DailyMed (NLM) · Label effective Mar 17, 2023

Indications and usage
INDICATIONS AND USAGE To obtain miosis of the iris in seconds after delivery of the lens in cataract surgery, in penetrating keratoplasty, iridectomy, and other anterior segment surgery where rapid miosis may be required.
Dosage and administration
DOSAGE AND ADMINISTRATION Miochol ™ -E (acetylcholine chloride intraocular solution) is instilled into the anterior chamber before or after securing one or more sutures. Instillation should be gentle and parallel to the iris face and tangential to pupil border. If there are no mechanical hindrances, the pupil starts to constrict in seconds and the peripheral iris is drawn away from the angle of the anterior chamber. Any anatomical hindrance to miosis must be released to permit the desired effect of the drug. In most cases, 0.5 to 2 mL produces satisfactory miosis. Note that the syringe filter supplied with Miochol-E has a priming volume of 0.6 mL (approximately). In cataract surgery, use Miochol-E only after delivery of the lens. Aqueous solutions of acetylcholine chloride are unstable. Prepare solution immediately before use. Do not use solution that is not clear and colorless. Discard any solution that has not been used.
Contraindications
CONTRAINDICATIONS Miochol-E is contraindicated in persons with a known hypersensitivity to any component of this product.
Warnings
WARNINGS DO NOT GAS STERILIZE. If blister or peelable backing is damaged or broken, sterility of the enclosed vial and ampule cannot be assured. Open under aseptic conditions only.
Adverse reactions
ADVERSE REACTIONS Infrequent cases of corneal edema, corneal clouding, and corneal decompensation have been reported with the use of intraocular acetylcholine. Adverse reactions have been reported rarely, which are indicative of systemic absorption. These include bradycardia, hypotension, flushing, breathing difficulties, and sweating. To report SUSPECTED ADVERSE REACTIONS, contact Bausch & Lomb Incorporated at 1-800-553-5340 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

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.

Conditions we've indexed resources for

Click a condition to see copay cards, grants, and PA rules specific to it. For the full list of FDA-approved indications, see Prescribing information above.

Prior authorization & coverage

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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.