Eyedrop FAQs: Usage Instructions, Storage Tips, and More

1. Do Eyedrops Expire?

Yes, eyedrops expire. The expiration date, printed on the bottle, indicates when the active ingredients lose their potency. Using expired drops can lead to reduced effectiveness or even serious eye infections. Always dispose of expired eyedrops.

2. Why Do Eyedrops Expire?

Over time, the active ingredients and preservatives in eyedrops degrade, especially after the bottle is opened. When preservatives break down, bacteria may grow in the solution, increasing the risk of contamination and infection. Always check the expiration date before use.

3. Types of Eyedrops and Their Shelf Life

• Lubricating Eye Drops (Artificial Tears): Typically last 1–3 months after opening.
• Prescription Eye Drops: Generally expire 1–2 months after opening. Follow your doctor’s instructions.
• Allergy Eye Drops: Shelf life is 1–2 years unopened but use within a few months of opening.
• Antibacterial/Antiviral Eye Drops: Expire as directed by your doctor, often within weeks or months.

4. How Do I Apply Eyedrops Correctly?

To apply eyedrops:

1. Wash your hands thoroughly.
2. Tilt your head back and gently pull down the lower eyelid.
3. Squeeze one drop into the pocket of the eyelid, avoiding direct contact with the dropper tip.
4. Close your eye for a few seconds and gently press the corner near your nose to prevent the drop from draining out too quickly.

5. Can I Use Eyedrops While Wearing Contact Lenses?

Some eyedrops are safe for use with contact lenses, while others are not. For example, lubricating drops labeled as “contact-safe” can be used, but medicated or preservative-containing drops may damage your lenses or cause irritation. Always check the label and consult your eye doctor if unsure.

6. How Many Drops Should I Use at Once?

In most cases, one drop per eye is sufficient. Using more than one drop may not increase effectiveness, as the excess typically drains out of the eye. Always follow your doctor’s instructions or the product label.

7. Are Over-the-Counter Eyedrops as Effective as Prescription Drops?

Over-the-counter (OTC) drops are often effective for mild conditions like dry eyes or minor allergies. Prescription drops, however, are designed for specific, often more serious conditions like glaucoma or infections. If OTC drops don’t improve your symptoms, consult an eye doctor.

8. Can I Use Different Types of Eyedrops Together?

It’s generally safe to use different types of eyedrops, but you should wait at least 5–10 minutes between applications to avoid diluting the first drop. For specific advice, consult your doctor.

9. What Should I Do if Eyedrops Cause Stinging or Burning?

Mild stinging or burning can occur when applying some eyedrops, especially medicated ones. If the discomfort is severe or persistent, discontinue use and consult your doctor, as you may be experiencing an allergic reaction or irritation.

10. How Do I Know If Eyedrops Are Working?

Signs that eyedrops are effective include symptom relief, such as reduced dryness, redness, or itching. If your symptoms persist or worsen despite using the drops, contact your eye doctor for a re-evaluation.

11. Can Children Use Eyedrops?

Yes, there are eyedrops formulated specifically for children. Administer them as instructed by your doctor. For young children, it may help to have them lie down while applying the drops.

12. Are There Any Side Effects of Using Eyedrops Long-Term?

Prolonged use of certain types of eyedrops, such as redness relief drops, can lead to dependency or rebound redness. Prescription drops, like steroids, can have side effects if used improperly. Always use drops as directed by your doctor.

13. Common Eyedrop Brands

• For Dry Eyes: Refresh Tears, Systane Ultra, TheraTears, Blink Tears
• For Allergies: Zaditor, Pataday, Alaway
• Prescription Drops: Restasis (chronic dry eyes), Xiidra (dry eyes), Lumigan (glaucoma)
• For Redness Relief: Visine, Clear Eyes, Naphcon-A
• Antibiotic Drops: Ciprofloxacin, Tobramycin, Polysporin
• Steroid Drops: Lotemax, Dexamethasone
• Preservative-Free Drops: TheraTears Free, Refresh Plus
• For Contact Lens Users: Opti-Free Replenish, Renu Advanced Formula

14. How to Store Eyedrops

• Keep in a Cool, Dry Place: Store at room temperature away from heat and humidity. Avoid bathrooms.
• Do Not Freeze: Freezing can degrade the solution. Discard if frozen.
• Seal Tight: Always close the bottle securely after use.
• Check Expiration Date: Regularly verify the expiration date, even for unopened bottles.

15. Risks of Using Expired Eyedrops

• Reduced Effectiveness: Expired drops may fail to provide relief or treat the condition.
• Increased Infection Risk: Degraded preservatives may allow bacterial growth.
• Eye Irritation: Expired ingredients can cause redness, swelling, or discomfort.

What to Do: If irritation occurs, stop using the drops and contact your eye doctor.

16. How to Keep Eyedrops Clean

• Avoid Touching the Dropper: Prevent contamination by keeping the tip away from surfaces, fingers, and your eye.
• Close the Cap Tightly: Always secure the cap after use.
• Store Properly: Use a clean, dry, upright storage space.
• Do Not Share: Sharing eyedrops can spread bacteria.