Some prescription eye drops, mainly certain antibiotic and steroid ones, work well in the ear, and doctors prescribe them that way on purpose. Eye drops are made gentle enough for the delicate eye, so the tougher ear canal usually tolerates them without trouble. The swap only works one way, though. Ear drops aren’t made to be that gentle and can sting badly in an eye. And one family of antibiotic drops carries a hearing risk if the eardrum has a hole, so use eye drops in the ear only as a clinician directs.
The Eye Drops Doctors Use in Ears
Antibiotic eye drops are the standard swap. Ciprofloxacin drops are most often used for eyes but are also safe to use in ears.1Medicines For Children. Ciprofloxacin drops for infection Some ciprofloxacin bottles, such as the brand Ciloxan, are labelled for both eye and ear use and are approved for outer ear infections caused by germs the drug can kill.2Novartis Pharma AG. CILOXAN Sterile Ophthalmic and Otic Solution One large children’s hospital tells its doctors to prescribe ofloxacin 0.3% eye drops as ear drops, calling them a safe and cheaper option.3Nationwide Children’s Hospital. Prescribing Guidelines for Acute Otitis Externa and Otitis Media with Tympanostomy Tube Otorrhea Ciprofloxacin and ofloxacin belong to the same antibiotic family, and both kill many of the bacteria that commonly cause outer ear infections. Because they’re drops, the medicine acts right where the infection is instead of travelling through the whole body.
Most eye drops aren’t officially licensed for ear infections, even though doctors’ guidelines and medical literature recommend this use.4Emergency Medicine News. Letter to the Editor “Off-label” simply means a drug is used in a way its manufacturer never applied to have approved. It’s legal and common in medicine, and the prescriber is relying on published experience and guidelines. If the pharmacy label names the ear, the prescriber meant it for the ear, even though the bottle’s printed box says eye.
Some bottles say “eye/ear drops” and are made for either use. A bottle that says only “eye drops” can still be prescribed for the ear.
Steroid drops calm swelling. Prescribing guidelines list prednisolone 0.5% eye/ear drops, a milder steroid, at 2 to 3 drops every 2 to 3 hours for about 7 days for outer ear infections.5Antimicrobial Prescribing Guidelines for Primary Care. Acute and Chronic Otitis Externa Betamethasone 0.1% drops are a stronger steroid option at 2 to 3 drops every 2 to 4 hours for about 7 days in adults.6Antimicrobial Prescribing Guidelines for Primary Care. Acute and Chronic Otitis Externa With either, you use them less often once the ear starts to feel better.7Antimicrobial Prescribing Guidelines for Primary Care. Acute and Chronic Otitis Externa A steroid eases pain and the feeling of a blocked, narrowed canal, but it doesn’t kill germs, so on its own it doesn’t treat a bacterial infection. That’s why steroids are often paired with an antibiotic, as two drops or one combination bottle. Ear-specific combinations such as Ciprodex pair ciprofloxacin with the steroid dexamethasone and are approved for both the outer and middle ear.8PubMed. Ciprofloxacin 0.3%/dexamethasone 0.1% topical drops for the management of otic infections
Other eye drops don’t belong in the ear. Over-the-counter redness relievers and lubricating drops have no antibiotic and won’t treat an infection, and allergy eye drops aren’t made for ear problems. Leftover drops from an old prescription may be the wrong medicine or expired.
Why Your Doctor Might Prescribe Eye Drops for an Ear
Price is the main driver. Because eye drops are safe in the ear, they can be a cheaper choice than ear-labelled drops when they suit the problem.9PubMed. Price Differences Between Otic and Ophthalmic Drops Rising prices of ofloxacin ear drops led one hospital system to switch to the eye-drop version.10Nationwide Children’s Hospital. Prescribing Guidelines for Acute Otitis Externa and Otitis Media with Tympanostomy Tube Otorrhea
The ear-labelled and eye-labelled versions can contain the same active drug yet be sold under different brands, packaged and priced separately. A generic eye drop is often available when a branded ear product has no cheap generic equivalent. At the pharmacy, you can ask whether a cheaper eye-drop version of your ear medicine exists, ask the pharmacist to confirm the label says to use it in the ear, and ask how many drops and how often, since doses may differ from eye use.
Cost isn’t the only reason. Doctors also choose eye drops when the drug itself is the right match for the germ, so don’t pick an eye drop for your own ear based on price alone.
The most common target is swimmer’s ear, an infection of the ear canal. It typically brings ear pain, itching, a feeling of fullness, and sometimes discharge. Pain that gets worse when the outer ear is tugged or the area in front of the ear is pressed is one common sign of canal infection, though a clinician’s exam confirms it. Drops are also used after ear surgery. In children, half of hospital-prescribed ciprofloxacin eye drops used in ears were given after ear tube surgery.11PubMed Central. Paediatric Utilisation of Ophthalmic Antibiotics in the Ear in Aotearoa/New Zealand Drops also help clear discharge after some ear surgeries.12PubMed. Mastoid Obliteration Using Autologous Bone Dust Following Canal Wall Down Mastoidectomy
How to Put Eye Drops in Your Ear
Warm the bottle in your hand for a few minutes, since cold drops can cause dizziness. Then lie on your side or tilt your head with the sore ear up. Gently pull the outer ear up and back for adults, or down and back for young children, to straighten the canal. Stay tilted for 3 to 5 minutes so the drops reach deep into the canal. Don’t let the dropper tip touch the ear, so it stays clean for later doses.
Follow the number of drops on your pharmacy label rather than the eye-use amount, since the ear canal holds more. The aim is to fill the canal enough that the liquid reaches the deeper part, which is why lying down helps. If the drops run out onto your cheek right away, you likely haven’t tilted far enough, so adjust your head rather than add more.
When the time is up, sit up and let any extra run onto a tissue held at the ear. Wipe the outside of the ear gently, but don’t push anything into the canal. If both ears need treatment, put the drops in one, wait the full time, then turn over for the other.
A few mistakes come up often. People stop once the pain eases, even though the course is usually about 7 days. They use fewer drops than the ear needs because eye doses are smaller. They share a bottle between eye and ear after it has touched an infected ear. And they pack cotton in so tightly that drops can’t drain.
Call the doctor if pain or discharge isn’t better after two to three days, or if fever, spreading redness, or swelling behind the ear appears. New hearing loss, ringing, or dizziness while using drops is also a reason to call.
When Eardrum Holes or Ear Tubes Change the Choice
One family of antibiotics, including gentamicin and tobramycin, is sold as both eye and ear drops. Hearing damage from these drops is rare but can be serious.13Australian Prescriber. Ear drops and ototoxicity The risk rises when the eardrum has a hole or an open ear tube, because medicine can reach the inner ear.14Australian Prescriber. Ear drops and ototoxicity Doctors are advised to watch for hearing harm if gentamicin drops are used for more than 7 days with a damaged eardrum.15PubMed. Ototoxicity of topical gentamicin preparations Still, many ear specialists use these drops with eardrum holes, treating the risk as mostly theoretical.16PubMed. Evidence review and ENT-UK consensus report for the use of aminoglycoside-containing ear drops in the presence of an open middle ear
Ciprofloxacin and ofloxacin drops are the ones doctors commonly choose after ear tubes.17PubMed Central. Paediatric Utilisation of Ophthalmic Antibiotics in the Ear in Aotearoa/New Zealand Ciprofloxacin-dexamethasone is approved for use in the middle ear.18PubMed. Ciprofloxacin 0.3%/dexamethasone 0.1% topical drops for the management of otic infections
You may have a damaged eardrum if you have ear tubes now or recently, if fluid or pus has drained from the ear, or if a doctor has told you about a perforation or past surgery. If you’re unsure, ask before using any drops. Mention ear tubes, past surgeries, or drainage before drops are chosen, and don’t extend a gentamicin course on your own.
What Happens If Ear Drops Go in Your Eye
Ear drops in the eye burn and sting right away, followed by redness, swelling, or blurry vision.19ConsumerMedSafety.org. Ear Drops in Eyes: A Painful Mistake They usually cause only irritation.20Poison Control. Eye injuries: What you need to know Vision changes remain possible, so the mistake shouldn’t be ignored.21ConsumerMedSafety.org. Ear Drops in Eyes: A Painful Mistake Some ear products also contain ingredients meant for the canal, such as wax softeners, that eye tissue tolerates poorly. Eye tissue is far more sensitive than the skin of the ear canal, so eye drops are adjusted for acidity and salt balance to avoid stinging. Ear drops skip some of that adjustment, which is why they sting eyes.
Remove contact lenses first, because a lens can trap the liquid against the eye. Then rinse with lukewarm water for 15 minutes. Rinsing dilutes and washes away whatever stayed on the surface, which limits how long it can irritate. Holding the eye open under a gentle stream works better than a quick splash. Call poison control with the bottle in hand, and see a doctor if pain, redness, or blurring lasts.
Ear drops in the eyes is one of the most common medicine mix-ups, because the bottles look alike and the labels read optic and otic, one letter apart.22American Academy of Ophthalmology. Eye Medication Mix-Ups Optic or ophthalmic means for the eye, and otic means for the ear. In one case a nurse put earwax drops in a patient’s eyes because the brand came in an eye-drop-style bottle.23Pharmacy Learning Network. An Eye (Drop) for an Eye, and an Ear (Drop) for an Ear
At home, store eye and ear drops in separate places and mark ear bottles with tape or a rubber band. Read the label each time, especially at night. An eye-drop bottle prescribed for the ear can still go in the eye, so label it clearly.
Fungal Ear Infections and Pet Ears
Antibiotics don’t kill fungi, so antibiotic eye drops won’t clear a fungal ear infection. Clotrimazole works well against most fungi and yeasts that infect ears.24PubMed. In vitro effectiveness of 13 agents in otomycosis and review of the literature Long antibiotic drop use can sometimes let fungus grow in the ear. Antibiotics wipe out the canal’s bacteria without touching the fungi, so in a warm, damp canal the fungus can spread. An ear that gets worse or newly itchy after days of antibiotic drops deserves a call to the clinician.
A fungal infection may show itself through itching more than pain, white, gray, or black debris in the canal, or an infection that won’t clear with antibiotic drops. A clinician usually looks into the canal, and may take a sample, before changing treatment. Cleaning debris from the canal is often part of it, since drops can’t reach through it. An antifungal such as clotrimazole is then used, and you shouldn’t start one on your own guess.
Drops are used for dog and cat ear infections, but many human options aren’t licensed for animals.25In Practice. Successful management of otitis externa Ask a vet before using any human drops on a pet.