Moxifloxacin 0.5% Ophth Soln 3ml
It is used to treat eye infections.
Drug Class
Ophthalmic anti-infective
Pharmacologic Class
Fluoroquinolone antibiotic
Pregnancy Category
C
FDA Approved
Jun 2003
DEA Schedule
Not Controlled
Overview
What is this medicine?
Moxifloxacin ophthalmic solution is an antibiotic eye drop used to treat bacterial infections of the eye, such as bacterial conjunctivitis (pink eye). It works by stopping the growth of bacteria.
How to Use This Medicine
Proper Use of This Medication
To use this medication correctly, follow your doctor's instructions and read all the information provided. Continue using the medication as directed, even if your symptoms improve. This medication is for eye use only.
Administration Instructions
1. Wash your hands before and after using the medication to prevent contamination.
2. Avoid touching the container tip to your eye, lid, or surrounding skin, as this can introduce bacteria and lead to severe eye problems or vision loss.
3. Tilt your head back and gently drop the medication into your eye.
4. After administration, keep your eyes closed and apply gentle pressure to the inside corner of your eye for 1 to 2 minutes. This helps retain the medication in your eye.
Storage and Disposal
Store the medication at room temperature or in the refrigerator. Do not freeze. Keep all medications in a secure location, out of reach of children and pets. Dispose of unused or expired medications properly. Do not flush them down the toilet or pour them down the drain unless instructed to do so. If you have questions about disposal, consult your pharmacist. You may also want to check if there are drug take-back programs available in your area.
Missed Dose Instructions
If you miss a dose, use it as soon as you remember. However, if it is close to the time for your next scheduled dose, skip the missed dose and resume your regular dosing schedule. Do not use two doses at the same time or take extra doses.
To use this medication correctly, follow your doctor's instructions and read all the information provided. Continue using the medication as directed, even if your symptoms improve. This medication is for eye use only.
Administration Instructions
1. Wash your hands before and after using the medication to prevent contamination.
2. Avoid touching the container tip to your eye, lid, or surrounding skin, as this can introduce bacteria and lead to severe eye problems or vision loss.
3. Tilt your head back and gently drop the medication into your eye.
4. After administration, keep your eyes closed and apply gentle pressure to the inside corner of your eye for 1 to 2 minutes. This helps retain the medication in your eye.
Storage and Disposal
Store the medication at room temperature or in the refrigerator. Do not freeze. Keep all medications in a secure location, out of reach of children and pets. Dispose of unused or expired medications properly. Do not flush them down the toilet or pour them down the drain unless instructed to do so. If you have questions about disposal, consult your pharmacist. You may also want to check if there are drug take-back programs available in your area.
Missed Dose Instructions
If you miss a dose, use it as soon as you remember. However, if it is close to the time for your next scheduled dose, skip the missed dose and resume your regular dosing schedule. Do not use two doses at the same time or take extra doses.
Lifestyle & Tips
- Do not wear contact lenses if you have signs or symptoms of bacterial conjunctivitis.
- Do not touch the dropper tip to your eye or any other surface to avoid contamination.
- Wash your hands thoroughly before and after applying the eye drops.
- Complete the full course of treatment, even if your symptoms improve, to prevent recurrence and bacterial resistance.
Available Forms & Alternatives
Dosing & Administration
Adult Dosing
Standard Dose:
1 drop in the affected eye(s) 3 times a day for 7 days
Pediatric Dosing
Neonatal:
Not established
Infant:
1 drop in the affected eye(s) 3 times a day for 7 days (for infants 1 year of age and older)
Child:
1 drop in the affected eye(s) 3 times a day for 7 days
Adolescent:
1 drop in the affected eye(s) 3 times a day for 7 days
Dose Adjustments
Renal Impairment:
Mild:
No adjustment needed
Moderate:
No adjustment needed
Severe:
No adjustment needed
Dialysis:
No adjustment needed (due to minimal systemic absorption)
Hepatic Impairment:
Mild:
No adjustment needed
Moderate:
No adjustment needed
Severe:
No adjustment needed
Pharmacology
Mechanism of Action
Moxifloxacin is a fluoroquinolone antibacterial that inhibits bacterial DNA gyrase (topoisomerase II) and topoisomerase IV. These enzymes are essential for bacterial DNA replication, transcription, repair, and recombination. Inhibition of these enzymes leads to DNA strand breaks and bacterial cell death.
Pharmacokinetics
Absorption:
Bioavailability:
Minimal systemic absorption (ophthalmic route)
Tmax:
Not applicable (systemic Tmax is very low, typically < 1 ng/mL plasma concentration)
FoodEffect:
Not applicable (ophthalmic route)
Distribution:
Vd:
Not applicable (minimal systemic distribution)
ProteinBinding:
Not applicable (minimal systemic protein binding due to low plasma levels)
CnssPenetration:
Limited (minimal systemic absorption)
Elimination:
HalfLife:
Not applicable (systemic half-life is about 12 hours, but ophthalmic absorption is too low to be clinically relevant)
Clearance:
Not applicable (minimal systemic clearance)
ExcretionRoute:
Not applicable (minimal systemic excretion)
Unchanged:
Not applicable (minimal systemic absorption)
Pharmacodynamics
OnsetOfAction:
Rapid (within hours for symptomatic relief)
PeakEffect:
Not precisely quantified for ophthalmic effect, but bactericidal activity is achieved quickly.
DurationOfAction:
Sustained antibacterial activity in ocular tissues due to dosing frequency.
Confidence:
Medium
Safety & Warnings
Side Effects
Urgent Side Effects: Seek Medical Help Right Away
Although rare, this medication can cause severe and potentially life-threatening side effects. If you experience any of the following symptoms, contact your doctor immediately or seek emergency medical attention:
Signs of an allergic reaction, including:
+ Rash
+ Hives
+ Itching
+ Red, swollen, blistered, or peeling skin with or without fever
+ Wheezing
+ Tightness in the chest or throat
+ Trouble breathing, swallowing, or talking
+ Unusual hoarseness
+ Swelling of the mouth, face, lips, tongue, or throat
Changes in eyesight, eye pain, or severe eye irritation
Other Possible Side Effects
Like all medications, this drug can cause side effects. While many people may not experience any side effects or only minor ones, it's essential to discuss any concerns with your doctor. If you experience any of the following side effects or any other unusual symptoms that bother you or do not go away, contact your doctor:
Eye irritation
Short-term pain after use
Dry eyes
Excessive tearing
This list is not exhaustive, and you may experience other side effects not mentioned here. If you have questions or concerns about side effects, consult your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
Although rare, this medication can cause severe and potentially life-threatening side effects. If you experience any of the following symptoms, contact your doctor immediately or seek emergency medical attention:
Signs of an allergic reaction, including:
+ Rash
+ Hives
+ Itching
+ Red, swollen, blistered, or peeling skin with or without fever
+ Wheezing
+ Tightness in the chest or throat
+ Trouble breathing, swallowing, or talking
+ Unusual hoarseness
+ Swelling of the mouth, face, lips, tongue, or throat
Changes in eyesight, eye pain, or severe eye irritation
Other Possible Side Effects
Like all medications, this drug can cause side effects. While many people may not experience any side effects or only minor ones, it's essential to discuss any concerns with your doctor. If you experience any of the following side effects or any other unusual symptoms that bother you or do not go away, contact your doctor:
Eye irritation
Short-term pain after use
Dry eyes
Excessive tearing
This list is not exhaustive, and you may experience other side effects not mentioned here. If you have questions or concerns about side effects, consult your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
Seek Immediate Medical Attention If You Experience:
- Worsening eye redness, pain, swelling, or discharge
- New or worsening blurred vision
- Signs of an allergic reaction (e.g., rash, itching, hives, swelling of the face/lips/tongue/throat, severe dizziness, trouble breathing)
- Any new or unusual eye symptoms
Before Using This Medicine
Before Taking This Medication: Important Information to Share with Your Doctor
It is essential to inform your doctor about the following:
Any allergies you have, including allergies to this medication, any of its components, or other substances, such as foods or drugs. Be sure to describe the symptoms you experienced as a result of the allergy.
Potential interactions with other medications or health conditions. This drug may interact with other prescription or over-the-counter (OTC) medications, natural products, or vitamins, which could affect its safety and efficacy.
All medications you are currently taking, including prescription and OTC drugs, natural products, and vitamins. This information will help your doctor and pharmacist assess potential interactions and ensure safe use.
Any existing health problems, as they may impact the safety and effectiveness of this medication.
To ensure your safety, do not start, stop, or change the dose of any medication without first consulting your doctor. It is crucial to verify that it is safe to take this medication with all your other medications and health conditions.
It is essential to inform your doctor about the following:
Any allergies you have, including allergies to this medication, any of its components, or other substances, such as foods or drugs. Be sure to describe the symptoms you experienced as a result of the allergy.
Potential interactions with other medications or health conditions. This drug may interact with other prescription or over-the-counter (OTC) medications, natural products, or vitamins, which could affect its safety and efficacy.
All medications you are currently taking, including prescription and OTC drugs, natural products, and vitamins. This information will help your doctor and pharmacist assess potential interactions and ensure safe use.
Any existing health problems, as they may impact the safety and effectiveness of this medication.
To ensure your safety, do not start, stop, or change the dose of any medication without first consulting your doctor. It is crucial to verify that it is safe to take this medication with all your other medications and health conditions.
Precautions & Cautions
It is essential to inform all your healthcare providers, including doctors, nurses, pharmacists, and dentists, that you are taking this medication.
When using this drug, avoid wearing contact lenses unless your doctor advises you to do so. If your eyes become irritated or infected, do not reinsert your contact lenses.
Exercise caution when engaging in activities that require clear vision, such as driving, to ensure your safety.
Do not use this medication for a longer period than prescribed by your doctor, as this may increase the risk of a second infection.
Although rare, severe and potentially life-threatening allergic reactions have been reported with this drug and similar medications. Discuss any concerns with your doctor.
If you are pregnant, planning to become pregnant, or are breastfeeding, consult your doctor to weigh the benefits and risks of this medication to both you and your baby.
When using this drug, avoid wearing contact lenses unless your doctor advises you to do so. If your eyes become irritated or infected, do not reinsert your contact lenses.
Exercise caution when engaging in activities that require clear vision, such as driving, to ensure your safety.
Do not use this medication for a longer period than prescribed by your doctor, as this may increase the risk of a second infection.
Although rare, severe and potentially life-threatening allergic reactions have been reported with this drug and similar medications. Discuss any concerns with your doctor.
If you are pregnant, planning to become pregnant, or are breastfeeding, consult your doctor to weigh the benefits and risks of this medication to both you and your baby.
Overdose Information
Overdose Symptoms:
- Unlikely to occur with ophthalmic use due to minimal systemic absorption. If excess is applied, it can be rinsed from the eye with lukewarm water.
What to Do:
If accidental ingestion occurs, or if symptoms of systemic overdose are suspected, contact a poison control center immediately (e.g., 1-800-222-1222 in the US).
Drug Interactions
Monitoring
Baseline Monitoring
Visual acuity
Rationale: To establish baseline vision before treatment of ocular infection.
Timing: Prior to initiation of therapy
Ocular examination (e.g., conjunctival injection, discharge)
Rationale: To assess the severity and type of bacterial conjunctivitis.
Timing: Prior to initiation of therapy
Routine Monitoring
Resolution of infection signs/symptoms
Frequency: Daily
Target: Improvement or resolution
Action Threshold: Lack of improvement or worsening symptoms after 2-3 days may indicate resistant organism or non-bacterial cause.
Adverse ocular effects (e.g., irritation, discomfort)
Frequency: Daily
Target: Minimal to none
Action Threshold: Significant or persistent irritation may require discontinuation.
Symptom Monitoring
- Worsening eye redness
- Increased eye pain or discomfort
- Increased discharge from the eye
- Blurred vision or other vision changes
- Signs of allergic reaction (e.g., rash, itching, swelling of face/tongue/throat, severe dizziness, trouble breathing)
Special Patient Groups
Pregnancy
Pregnancy Category C. Use only if the potential benefit justifies the potential risk to the fetus. Systemic absorption following ophthalmic administration is minimal, suggesting a low risk.
Trimester-Specific Risks:
First Trimester:
Low risk expected due to minimal systemic absorption.
Second Trimester:
Low risk expected due to minimal systemic absorption.
Third Trimester:
Low risk expected due to minimal systemic absorption.
Lactation
Lactation Risk L3 (Moderately Safe). It is not known whether ophthalmic moxifloxacin is excreted in human milk. However, due to minimal systemic absorption, excretion into breast milk is expected to be low, and adverse effects on the breastfed infant are unlikely.
Infant Risk:
Low risk
Pediatric Use
Safe and effective for use in pediatric patients 1 year of age and older for bacterial conjunctivitis. Dosage is generally the same as for adults. Safety and effectiveness in infants younger than 1 year have not been established.
Geriatric Use
No overall differences in safety or effectiveness have been observed between elderly and younger patients. No dosage adjustment is necessary.
Clinical Information
Clinical Pearls
- Instruct patients on proper eye drop administration technique to maximize efficacy and minimize contamination.
- Advise patients not to wear contact lenses during treatment for bacterial conjunctivitis.
- Emphasize the importance of completing the full course of therapy, even if symptoms improve, to prevent antibiotic resistance and recurrence.
- Moxifloxacin ophthalmic solution is generally well-tolerated with minimal systemic side effects due to very low systemic absorption.
Alternative Therapies
- Gatifloxacin ophthalmic solution
- Levofloxacin ophthalmic solution
- Ciprofloxacin ophthalmic solution
- Ofloxacin ophthalmic solution
- Tobramycin ophthalmic solution
- Gentamicin ophthalmic solution
- Polymyxin B/Trimethoprim ophthalmic solution
Cost & Coverage
Average Cost:
Varies widely per 3ml bottle
Generic Available:
Yes
Insurance Coverage:
Tier 2 or Tier 3 (often preferred generic)
General Drug Facts
If your symptoms or health issues persist or worsen, it is essential to contact your doctor for further guidance. To ensure safe and effective treatment, never share your medication with others or take someone else's medication. Some medications may come with an additional patient information leaflet, so it's a good idea to check with your pharmacist for more information. If you have any questions or concerns about your medication, don't hesitate to reach out to your doctor, nurse, pharmacist, or other healthcare provider. In the event of a suspected overdose, immediately call your local poison control center or seek emergency medical attention. When seeking help, be prepared to provide details about the medication taken, the amount, and the time it happened.