Betarx-OC Ear Drop is a medicine used to treat ear infections. It works by killing and inhibiting the growth of microorganisms in the ear. This relieves discomfort, itching, irritation, and pain in the ear. Betarx-OC Ear Drop is for external use only. Use it in the dose and duration as advised by your doctor. This medicine should be used regularly to get the most benefit from it. You can help the medicine work better by keeping the affected areas clean, making sure they are dry, and washing your hands before and after treating the infection. It is generally well-tolerated with little or no side effects. However, it may cause a burning sensation, irritation, itching, and redness immediately following application. These side effects are temporary and usually subside on their own. Inform your doctor if they persist for a longer duration. Although medicines used on the ear are not normally affected by other medicines, you should let your doctor know if you are taking any other medicine to be safe. If you are pregnant or breastfeeding, ask the advice of your doctor before using the medicine.