Swimmer's ear (acute otitis externa) is inflammation or infection of the outer ear canal, often caused by water staying in the ear after swimming, which can wear down the protective wax and let bacteria grow. Unlike a minor passing earache, an established infection usually needs treatment, and the standard treatment is prescription ear drops (an antibiotic, sometimes combined with a steroid) used for about 10 to 14 days. There is no over-the-counter product that treats an active infection: genuine OTC options are limited to ear-drying drops used to PREVENT it or clear water-clogged ears, plus ordinary pain relievers. If your ear is already painful, draining, or swollen, see a clinician rather than self-treating.
Available without a prescription — follow each label.
Isopropyl alcohol 95% / anhydrous glycerin 5% (ear-drying drops) Auro-Dri, Swim-Ear OTC otic drying agent | Prevention and aftercare ONLY — not a treatment for infection. Per the Drug Facts label these drops are used to dry water in the ears and relieve water-clogged ears after swimming, showering, or bathing; a typical dose is 4 to 5 drops in each affected ear. The label says to ask a doctor before use if you have ear drainage or discharge, ear pain, irritation, recent ear surgery, or dizziness, so do NOT use it once an infection has started. Flammable — keep away from flame. Do not use with ear tubes or a known perforated eardrum. |
Acetic acid (white vinegar) drops, mixed 1:1 with rubbing alcohol (home preparation; acetic acid otic also sold OTC) OTC otic acidifying / drying agent | MedlinePlus describes mixing 1 drop of alcohol with 1 drop of white vinegar and placing it in the ears after they get wet, to help prevent bacterial growth. This is a preventive/drying measure, not a treatment for an active infection. Skip it if you have ear pain, drainage, a perforated eardrum, or ear tubes, and ask a doctor first. |
Tylenol OTC analgesic / antipyretic | MedlinePlus lists acetaminophen (Tylenol) as a pain medicine option for swimmer's ear. It eases pain and fever, not the infection itself, so it does not replace seeing a clinician for diagnosis and prescription ear drops. Follow the Drug Facts dosing and daily limit. |
A doctor may prescribe these — not for self-treatment.
Topical antibiotic ear drops (with or without a steroid) (clinician-prescribed; e.g. ciprofloxacin/dexamethasone, ofloxacin, neomycin-polymyxin-hydrocortisone) Prescription antibiotic +/- corticosteroid otic solution | These are the usual treatment a clinician prescribes after examining the ear. MedlinePlus notes that in most cases you will need antibiotic ear drops for about 10 to 14 days; the NHS notes drops may combine an antibiotic with a steroid to reduce inflammation and itching. Requires a diagnosis — never self-start, and the right drop depends on whether the eardrum is intact. |
Ear wick placement (in-clinic procedure) Device used to deliver topical medicine | If the ear canal is very swollen, MedlinePlus notes a clinician may insert a wick so the prescribed drops can travel to the end of the canal. This is done by a healthcare professional, not at home. |
Oral (systemic) antibiotics (clinician-prescribed) Prescription systemic antibiotic | Used only in specific situations a doctor identifies, and not for routine mild cases. The NHS advises that people with diabetes or a weakened immune system who have ear-infection symptoms should seek prompt medical care, as they may need closer management. Antibiotics should never be self-prescribed. |
Specialist (ENT) evaluation (referral) Clinical assessment / procedure | Not a drug. If an outer ear infection does not settle after treatment, a clinician may refer you to an ear, nose and throat (ENT) specialist, who can clean the canal and reassess the diagnosis. |
Match the action to the stage. If your ears are simply wet and you have NO pain or discharge, the OTC tools above (drying drops, or a vinegar-and-alcohol mix, plus careful drying) are for prevention and clearing water-clogged ears — that is the only role OTC products genuinely have here. Dry ears after swimming by tilting the head so each ear faces down, pulling the earlobe to help water drain, and patting with a towel; if water remains, a hair dryer on the lowest heat and speed held several inches from the ear can help (CDC). Do not put cotton swabs or other objects in the canal and do not dig out earwax — both can damage the protective skin and raise infection risk (CDC and MedlinePlus). Once the ear is actually painful, itchy with discharge, or hearing feels muffled, that signals an active infection: stop using drying/alcohol drops (they can sting an inflamed canal, and the Drug Facts label says to ask a doctor first if there is drainage or pain) and see a clinician for prescription antibiotic ear drops. For pain in the meantime, OTC acetaminophen or ibuprofen and a warm compress can help (MedlinePlus). Honest caveat: prescription topical drops are the established treatment for an active infection, and keeping ears dry is the mainstay of prevention; homemade drying mixtures are a preventive measure only and are not a substitute for medical treatment once infection sets in.
See a healthcare professional if you have ear pain, itching with discharge (yellow, green, pus-like, or foul-smelling), reduced or muffled hearing, or pain when you tug your outer ear — these point to an active infection that needs prescription drops, not OTC products. Seek care promptly and do not wait if you have: high fever; the outer ear, face, or neck becoming red, swollen, or very tender; severe or worsening pain; dizziness; or symptoms that keep getting worse despite treatment. People with diabetes or a weakened immune system should contact a clinician early because the infection can become more serious (a rare but dangerous spread called malignant/necrotizing otitis externa). Also follow up if the infection has not settled after a course of treatment, as it may need to be re-checked by an ENT specialist. Never self-start prescription antibiotic ear drops or tablets; they require an in-person diagnosis.
General reference, not medical advice, and not a substitute for your doctor or pharmacist. The right choice depends on your symptoms, health conditions, age, and other medicines — always read each label and confirm before taking anything.
| MedlinePlus also lists ibuprofen (Advil, Motrin) as a pain medicine option for swimmer's ear. Like acetaminophen it eases pain and inflammation only and is not a treatment for the infection. Take with food, follow the label, and avoid if you have conditions where NSAIDs are not recommended. |