How does Otinova Ear Spray work on ear infections? Otinova Ear Spray can help if you ever develop an ear infection. Just spray the medicine on the infected area and feel relaxed. It works fast as the medicine is applied directly to the infection. Also, it works for a long time. If the irritation or pain persists, you can visit a doctor. For more - https://archealthnutrition.co.uk/collections/ear-care