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Colistimethate 50 mg/mL Ophthalmic Solution

Colistimethate 50 mg/mL Ophthalmic Solution is a sterile liquid formulation specifically designed for ocular use. It is dispensed in an eye dropper bottle to ensure precise and controlled application. This solution is used to deliver medication directly to the eyes. It also offers lubrication and irrigation to support overall eye health and comfort.

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For prescribers
Prescription details
RxThis formula
Dose formSee below
Quantity____
SigAs directed by prescriber
Refills____
PharmacyBayview Pharmacy, Warwick RI, NCPDP 4106882
Copy prescription detailsOrder form
Controlled substance: e-prescribe (EPCS) from your EHR. Faxed and phoned prescriptions cannot be accepted for this preparation.
Send it from your EHR, or fax to (401) 284-4506. How to e-prescribe this formula
Licensed to fill prescriptions for patients in RI, MA, CT, NY, NJ, NH, FL and ME.
To prescribe, you must be a verified prescriber.
To prescribe, you must be in a state where we hold an active out-of-state pharmacy license.
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This medication requires a prescription from your doctor

Licensed to fill prescriptions for patients in RI, MA, CT, NY, NJ, NH, FL and ME.

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Compounded preparations are prepared by Bayview pursuant to a prescription for an individual patient. They are not FDA-approved and have not been evaluated by FDA for safety or effectiveness.
Colistimethate Sodium
Ophthalmic Solution

Formula Information

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Colistimethate 50 mg/mL Ophthalmic Solution is a sterile liquid formulation meticulously crafted for ocular use, ensuring both safety and efficacy in treating various ophthalmic conditions. This solution is dispensed in an eye dropper bottle, which allows for precise and controlled application, making it an ideal choice for patients requiring targeted treatment. The formulation is specifically designed to deliver medication directly to the eyes, providing both therapeutic effects and lubrication, which can be crucial for maintaining ocular health and comfort.

Colistimethate, the active ingredient in this formulation, is a potent antibiotic that belongs to the polymyxin class. By disrupting the bacterial cell membrane, Colistimethate effectively eradicates the infection, thereby alleviating symptoms and preventing further complications. This makes it a valuable option for treating bacterial conjunctivitis, keratitis, and other infections of the eye that are caused by susceptible strains of bacteria.

For prescribers, it is important to consider the specific bacterial profile of the infection when choosing Colistimethate 50 mg/mL Ophthalmic Solution. The formulation's concentration and delivery method ensure that adequate levels of the drug reach the site of infection, maximizing its therapeutic potential while minimizing systemic exposure and potential side effects.

Patients using this ophthalmic solution should follow the prescribed dosage and administration instructions carefully to achieve the best outcomes. It is crucial to maintain the sterility of the solution by avoiding contact between the dropper tip and any surfaces, including the eye itself. Patients should be advised to report any adverse reactions or lack of improvement to their healthcare provider promptly.

Overall, Colistimethate 50 mg/mL Ophthalmic Solution is a specialized formulation that offers a targeted approach to treating bacterial infections of the eye. Its precise delivery system and potent antibacterial properties make it a valuable tool in the management of challenging ophthalmic conditions. For any questions or further information regarding this formulation, please reach out to us at Bayview Pharmacy. We are here to assist both patients and prescribers in optimizing treatment outcomes.

Drug Interactions

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Colistimethate 50 mg/mL Ophthalmic Solution is a potent antibiotic formulation used to treat bacterial infections of the eye. As with any medication, it is crucial to be aware of potential drug interactions that may affect the efficacy and safety of this treatment. While colistimethate is primarily used for its antibacterial properties, it is important to consider its interactions with other medications, especially when used in conjunction with systemic treatments or other ophthalmic solutions.

Patients using other ophthalmic medications should be advised to administer them at least 5 to 10 minutes apart to prevent any potential interaction or dilution effect that could compromise the effectiveness of either medication. This is particularly important for medications that alter the pH or viscosity of the tear film, as these could affect the absorption and action of colistimethate.

Systemic absorption of colistimethate from ophthalmic use is minimal; however, caution is advised when used concurrently with other nephrotoxic or neurotoxic drugs, such as aminoglycosides, due to the potential for additive toxicity. Although the risk is low with ophthalmic administration, prescribers should be aware of the patient's complete medication profile, especially in those with compromised renal function or those receiving high doses of systemic colistimethate.

Patients with a history of hypersensitivity to colistimethate or other polymyxins should avoid using this ophthalmic solution, as cross-reactivity may occur. Additionally, concurrent use with muscle relaxants may potentiate neuromuscular blockade, although this is more relevant to systemic administration. Nonetheless, it is prudent to monitor for any unusual symptoms or side effects.

For patients using contact lenses, it is recommended to remove them prior to the administration of the colistimethate ophthalmic solution and wait at least 15 minutes before reinsertion. This precaution helps to prevent any interaction between the medication and the contact lens material, which could potentially alter the drug's effectiveness or cause irritation.

As always, it is essential for both patients and prescribers to maintain open communication regarding all medications being used, including over-the-counter drugs and supplements, to ensure appropriate treatment. If you have any questions or concerns about potential drug interactions with Colistimethate 50 mg/mL Ophthalmic Solution, please reach out to us for further guidance and support.

How Does it Work

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Colistimethate 50 mg/mL Ophthalmic Solution is a specialized formulation designed to deliver targeted treatment directly to the eyes. This sterile liquid solution is dispensed in an eye dropper bottle, allowing for precise and controlled application. The primary active ingredient, colistimethate, is an antibiotic that belongs to the polymyxin class. It works by disrupting the bacterial cell membrane, leading to cell death.

When applied to the eyes, the colistimethate in the solution binds to the lipopolysaccharides and phospholipids in the bacterial cell membrane. This binding increases the permeability of the membrane, causing essential cellular contents to leak out, ultimately resulting in bacterial cell death. This action helps in reducing the bacterial load in the eye, thereby alleviating symptoms of infection such as redness, swelling, and discharge.

In addition to its antimicrobial properties, the ophthalmic solution also provides lubrication to the eyes. This is particularly beneficial in soothing irritation and discomfort that often accompany infections. The sterile nature of the formulation ensures that it is safe for use in the sensitive ocular environment, minimizing the risk of introducing additional contaminants during treatment. The eye dropper bottle design facilitates easy administration, allowing patients to apply the medication accurately and efficiently, ensuring that the correct dose is delivered to the affected area.

It is crucial to follow the prescribed dosage and administration instructions to achieve optimal therapeutic outcomes and minimize the risk of resistance development.

If you have any questions about Colistimethate 50 mg/mL Ophthalmic Solution or its use in treating specific ophthalmic conditions, please reach out to us at Bayview Pharmacy. Our team of compounding pharmacists is here to provide you with the information and support you need to ensure appropriate treatment.

Other Uses

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The Colistimethate 50 mg/mL Ophthalmic Solution is a sterile liquid formulation crafted for precise ocular administration, delivered through an eye dropper for accuracy and control. Although primarily utilized for treating specific ophthalmic infections related to multidrug-resistant Pseudomonas aeruginosa and other Gram-negative bacterial infections, this ophthalmic solution extends its utility beyond its core application. In addition to its principal use, it can be considered off-label for prophylactic use in individuals who are at high risk of ocular infections due to compromised immune systems or recent ocular surgery. In such cases, the solution might serve as a preventive measure to inhibit bacterial colonization and subsequent infection.

Moreover, patients experiencing recurrent corneal abrasions or chronic conjunctivitis that do not respond to conventional antibiotics might find this formulation beneficial, especially in scenarios where resistant bacterial strains are implicated. The formulation can be employed in conjunction with other therapeutic agents to deliver a more comprehensive antibacterial regimen, targeting multiple aspects of infection and reducing the potential for resistance development. Physicians may prescribe this formulation in combination with lubricating agents to alleviate discomfort while simultaneously addressing underlying bacterial concerns.

Additionally, research into the application of Colistimethate in treating cases outside traditional purviews, such as extended treatment durations or in combination therapy for severe cases of keratitis associated with contact lens usage, is ongoing. These emerging uses reflect a growing need for alternative therapeutic avenues in situations where first-line treatments have proved inadequate. Naturally, any off-label application should be approached with a careful assessment of potential risks and benefits, tailored to the patient’s specific medical profile and condition severity.

Given the potent nature of this antimicrobial agent, prescribers should ensure comprehensive patient education regarding administration techniques, adherence to dosage schedules, and awareness of potential side effects, which might include localized irritation or allergic reactions. Patients initiating treatment with this ophthalmic solution should be monitored for therapeutic efficacy and any adverse reactions that might necessitate adjustments in the treatment plan.

While considering the use of this formulation for non-traditional indications, it is vital for both patients and prescribers to maintain a dialogue regarding expectations, treatment goals, and possible outcomes. As with any medication, the decision to employ it should be underpinned by robust clinical reasoning, supported by emerging clinical evidence and individual patient needs.

If you have any questions or require further information about the use of Colistimethate 50 mg/mL Ophthalmic Solution, please reach out to us at Bayview Pharmacy for professional guidance and support tailored to your therapeutic needs.

Frequently Asked Questions

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What is Colistimethate 50 mg/mL Ophthalmic Solution?

It is a sterile liquid formulation designed for ocular use, containing 50 mg/mL of Colistimethate. It is dispensed in an eye dropper bottle for precise application and is used to deliver medication, lubrication, or irrigation to the eyes for treating various ophthalmic conditions.

How do I use Colistimethate 50 mg/mL Ophthalmic Solution?

Use the eye dropper to instill the prescribed amount of solution into the affected eye(s). Ensure hands are clean before application, and avoid touching the dropper tip to prevent contamination.

What conditions can Colistimethate 50 mg/mL Ophthalmic Solution treat?

This solution is used for treating a range of ophthalmic conditions as specified by your healthcare provider. It helps deliver medication, lubrication, or irrigation to the eyes as needed.

Are there any side effects associated with Colistimethate 50 mg/mL Ophthalmic Solution?

Possible side effects may include minor eye irritation, redness, or discomfort. If you experience severe adverse reactions or symptoms persist, consult your healthcare provider.

Can I use Colistimethate 50 mg/mL Ophthalmic Solution with contact lenses?

It is advisable to remove contact lenses before applying the solution and wait at least 15 minutes before reinserting them, unless otherwise directed by your healthcare provider.

How should I store Colistimethate 50 mg/mL Ophthalmic Solution?

Store the solution in a cool, dry place away from light. Keep the bottle tightly closed when not in use. Follow any specific storage instructions provided by the pharmacist or packaging.

What should I do if I miss a dose of Colistimethate 50 mg/mL Ophthalmic Solution?

If you miss a dose, apply it as soon as you remember. If it's nearly time for your next dose, skip the missed dose and resume your regular dosing schedule. Do not double the dose to catch up.

How often should I apply Colistimethate 50 mg/mL Ophthalmic Solution?

The frequency of application will depend on your specific ophthalmic condition and the instructions provided by your healthcare provider. Follow their prescribed dosage regimen carefully.

What precautions should I take while using Colistimethate 50 mg/mL Ophthalmic Solution?

Do not touch the dropper tip to any surface, including your eyes, to maintain product sterility. Ensure your hands are clean before use, and avoid using the solution if you experience severe allergic reactions.

Can children use Colistimethate 50 mg/mL Ophthalmic Solution?

Use of this solution in children should be under the guidance and prescription of a healthcare provider. Consult your doctor or pharmacist to ensure safety and proper usage for pediatric patients.

About this compounded preparation

This formulation is compounded by Bayview Pharmacy on a prescriber's order for an individual patient. It is not an FDA-approved drug product, and the FDA has not evaluated it for safety, effectiveness, or manufacturing quality.

The conditions listed on this page are indications prescribers have ordered this preparation for. They are not FDA-approved indications, and listing them is not a statement that this preparation is effective for them.

A valid prescription is required. Availability depends on Bayview's licensure in your state. This page is general information, not medical advice — discuss your situation with a licensed healthcare provider.

Formulas and/or material listed are not to be interpreted as a promise, guarantee or claim of therapeutic efficacy or safety. The information contained herein is not intended to replace or substitute for conventional medical care, or encourage its abandonment. Every patient is unique, and formulas should be adjusted to meet their individual needs.

No compounded medications are reviewed by the FDA for safety or efficacy.
For prescribers

How to e-prescribe this formula

Controlled substance: e-prescribe only (EPCS). Faxed, phoned, and handwritten prescriptions cannot be filled. Rhode Island law (R.I. Gen. Laws § 21-28-3.18) requires Schedule II to V prescriptions to be transmitted electronically.
1

Find Bayview in your EHR's pharmacy directory

Search by NCPDP 4106882, or by name and ZIP: Bayview Pharmacy, Warwick, RI 02886. Select it as the destination pharmacy and save it as a favorite. Click any value to copy it.

NCPDP4106882NPI1750455143Address3844 Post Rd, Warwick, RI 02886Phone(401) 284-4505Fax(401) 284-4506
2

Enter the formula as a compound

Compounded preparations have no NDC, so this formula will not appear in your EHR's drug search. Use your system's compound, non-formulary, or free-text prescription entry and name the preparation exactly as written in step 3. If your EHR forces you to pick a listed drug, pick the closest entry for the active ingredient and put the full formula in the prescription body (the Sig or directions field), not in Notes to Pharmacy.

Compounded preparations have no NDC and will not appear in your drug search. For EPCS to validate, select a drug entry your EHR recognizes as controlled, usually the bulk powder entry for the active ingredient (for example Ketamine (bulk) powder, not a branded product), then put the full formula from step 3 in the prescription body. A free-text entry that does not validate as controlled will be rejected by your EPCS module.

3

Copy the prescription details

RxFormula name
Dose formDose form
Quantity________
SigAs directed by prescriber
Refills____
PharmacyBayview Pharmacy, Warwick RI, NCPDP 4106882
Copy prescription details

Quantity and directions are starting points for this dose form, not treatment recommendations. Dosing remains the prescriber's responsibility.

4

Send it

Transmit from your EHR. For this non-controlled preparation we also accept fax to (401) 284-4506 and phoned orders at (401) 284-4505. Order forms are on the formulation pages and in the prescriber portal.

Transmit with two-factor authentication through your EPCS-enabled EHR. No order form is offered for this preparation; e-prescribing guides for our controlled preparations are on the formulation pages.

Do not use Notes to Pharmacy for the formula. Some EHRs keep that field internal and never transmit it. A prescription that arrives without the formula is delayed while we call your office.

Licensed to dispense in RI, MA, CT, NY, NJ, NH, FL, and ME. Compounded preparations are not FDA-approved. A valid prescription is required. Full guide, including steps by EHR: How to e-prescribe to Bayview. Questions about this formula: call (401) 284-4505.

Colistimethate 50 mg/mL Ophthalmic Solution
Ophthalmic Solution
5 mL
controlled

Instill 1 drop into affected eye(s)