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Ear drops sit in almost every UK medicine cabinet, yet most people reach for whatever bottle looks familiar without really knowing what it does. Olive oil, sodium bicarbonate, hydrogen peroxide, acetic acid, antibiotic, antifungal, corticosteroid. Each one targets a different problem, and using the wrong drop can make things worse rather than better. Understanding what you're actually putting in your ear matters. Here's what we'll cover:
If you're in Cornwall and can't work out what's going on with your ears, K&M Hearing Solutions in Truro can help. We offer thorough hearing tests, gentle wax removal, and expert ear health advice tailored to your specific concerns.  What Do Ear Drops Actually Do?Ear drops are liquid medications or preparations designed to treat conditions affecting the outer ear or ear canal. Some soften the wax so it can naturally clear. Others fight bacterial or fungal infections. A few reduce inflammation and pain, and some simply dry out a damp ear canal to prevent problems developing. They're categorised primarily by their active ingredient, which determines what they treat and how they work. Broadly speaking, ear drops fall into these types:
Match the drop to the condition, and they can work brilliantly. Use the wrong type, and you can prolong symptoms, delay proper treatment, or, in some cases, cause real harm. Ear Drops for Softening EarwaxEarwax is a natural substance produced by glands in your ear canal to protect the skin, trap dust, and slow the growth of bacteria. Most people's ears clean themselves. When they don't, and excessive earwax builds up, ear drops are usually the first-line treatment. Olive Oil Ear DropsAccording to NHS guidance on earwax, olive oil is the recommended first-line treatment for wax build-up in the UK. Applied 2 to 3 times a day for 2 to 3 weeks, olive oil softens the wax so it can naturally migrate out of the ear canal. Why olive oil is the audiologist's choice:
Sodium Bicarbonate Ear DropsSodium bicarbonate ear drops (usually 5% solution) work by altering the pH of the ear canal to actively dissolve wax rather than just softening it. According to NHS Trust patient guidance, they're a quicker option than olive oil but should only be used for 7 to 10 days at a time to avoid dryness and irritation of the ear canal. Hydrogen Peroxide and Carbamide Peroxide DropsThese drops produce a bubbling action that helps break up hardened earwax. Carbamide peroxide is a common ingredient in over-the-counter earwax removal drops. They're effective, but they can also dry out the ear canal with prolonged use, so following the recommended number of days on the packaging is important.  Ear Drops for Ear InfectionsEar infections are one of the most common reasons UK patients visit their GP. The treatment depends on where the infection sits, what's causing it, and how severe it is. Ear drops are the main treatment for outer ear infections, though they're not usually effective for middle ear infections behind an intact eardrum. Antibiotic Ear Drops Antibiotic ear drops treat bacterial infections, most commonly outer ear infections, known clinically as otitis externa or "swimmer's ear". According to NHS guidance from Guy's and St Thomas' Hospital, antibiotic ear drops are usually prescribed for 7 to 10 days and often come combined with a corticosteroid to reduce inflammation at the same time. Common prescription antibiotic ear drops in the UK include:
Antifungal Ear Drops Fungal ear infections (otomycosis) can look and feel similar to bacterial infections, but they need a completely different treatment. Antifungal drops such as clotrimazole 1% solution target the fungal spores directly. Signs of a fungal infection include creamy white debris in the ear canal, itchiness, and black or white fungal spores. Acetic Acid Ear Drops or Sprays According to NHS antimicrobial prescribing guidance, over-the-counter acetic acid 2% ear spray (such as EarCalm) is recommended for mild cases of outer ear infection. It works by restoring the ear canal's naturally acidic environment, providing mild antibacterial and antifungal effects. It's suitable for adults and children over 12. Ear Drops for Pain and DiscomfortEar pain is one of the most common complaints in general practice. Pain-relief drops can provide temporary relief, but they don't treat the underlying cause. If pain persists more than a few days, you need a proper professional assessment rather than just symptom management. Most pain relief for ear infections comes from oral painkillers like paracetamol or ibuprofen alongside topical treatments, rather than pain-only drops. Corticosteroid ear drops such as betamethasone or prednisolone reduce inflammation in the ear, which in turn reduces the swelling and pressure causing pain. If your pain comes with fever, dizziness, discharge, or hearing loss, don't reach for the ear drops. Book an appointment with your GP or an audiologist for a proper assessment.  Ear Drops for Itchy EarsItchy ears are surprisingly common and rarely caused by wax alone. The itchiness usually comes from:
Corticosteroid ear drops (like betamethasone 0.1%) are usually the treatment of choice for inflammatory or eczema-driven itchiness. If a fungal infection is causing the itch, an antifungal drop is needed instead. Antibiotic drops don't help with pure itchiness and can actually worsen it if used unnecessarily, since prolonged use may cause contact dermatitis. Persistent itchy ears deserve professional attention. Guessing between the different types of drops can prolong the problem, and cotton swabs or cotton buds only make things worse. Avoid putting anything into the ear canal, as noted in our guide on why cotton buds are a bad idea. How to Apply Ear Drops CorrectlyEven the best ear drops won't work if you apply them incorrectly. The good news is that the technique is straightforward once you know what to do. Follow these steps:
Never put cotton wool inside the ear canal after applying drops, as this can trap moisture and increase infection risk. And always check the expiry date before use.  When to Stop Using Ear Drops and See a ProfessionalEar drops are a useful first-line treatment for many everyday problems, but they're not a substitute for proper diagnosis. Some symptoms need professional advice from a healthcare provider quickly, rather than another round of drops. Stop and get professional advice if:
If you have a perforated eardrum, most ear drops should be avoided completely unless specifically prescribed for that scenario. Certain drops can cause damage if they reach the middle ear through a hole in the eardrum. For anything ongoing, professional removal methods like microsuction are far safer than repeated self-treatment. Our earwax removal service in Cornwall uses gentle microsuction, which is considered one of the safest earwax removal techniques available. FAQsWhat's the best ear drop for wax build-up? For most people, olive oil ear drops are the NHS-recommended first-line treatment. If olive oil doesn't work, sodium bicarbonate 5% ear drops or hydrogen peroxide preparations can be tried for a shorter period. Can I use ear drops if I have a perforated eardrum? No. Most ear drops should not be used with a perforated eardrum unless specifically prescribed by a healthcare provider. Some drops can cause hearing loss or dizziness if they reach the middle ear. How long do ear drops take to work? It depends on the type. Olive oil for wax usually takes 2 to 3 weeks of consistent use. Antibiotic drops for infections often improve symptoms within 48 to 72 hours, with full courses lasting 7 to 14 days. Are ear drops safe for children? Some are, some aren't. Always check the age restrictions on the packaging and speak to a pharmacist before using ear drops in children, particularly those under 12 years old. Children should also avoid putting anything into their ears, as noted in our guide on why cotton buds are a bad idea. Can ear drops cause dizziness? Yes, especially if applied cold. Warm the drops to room temperature before use to reduce the risk of dizziness. Persistent dizziness after using drops should be checked by a professional. Do I need a prescription for ear drops? It depends on the type. Olive oil, sodium bicarbonate, hydrogen peroxide, and acetic acid drops are all available over the counter in UK pharmacies. Antibiotic, antifungal, and corticosteroid drops usually require a prescription from a GP or pharmacist prescriber.  Take Control of Your Ear Health With K&M Hearing SolutionsEar drops solve a lot of everyday problems, but only when you match the right drop to the right condition. When symptoms persist, or something feels off, a professional assessment gives you clarity rather than guesswork. Ears matter, and so does the treatment they get.
Key takeaways:
At K&M Hearing Solutions, our independent audiology clinic in Truro offers full hearing tests, gentle wax removal, and ear health checks tailored to you. If you're unsure what's going on with your ears, we're here to help you get answers.
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AuthorAll blog content has been medically reviewed and approved by our team of expert audiologists, ensuring you get the most reliable and up-to-date information. Find out more about us here. 
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