What is Otikoo ear drop? Otikoo Ear Drops has been specially formulated to overcome ear infestation due to yeast or bacteria for the treatment of otitis externa. Benefits: Otikoo Ear Drops is recommended for the treatment of Otitis externa. Otitis Externa or ear infection of the external ear is an extremely painful infection for your pet and can cause a lot of discomfort. Ear infection may be fungal or bacterial in nature and can be effectively managed by the use of Otikoo Ear Drops. It also reduces itching and irritation in ears. These drops reduce exudation and pain in ear. These are also anaesthetic. Otikoo Ear Drops has been specially formulated to maintain the natural environment of the external ear canal.