lemon essential oil is a highly irritant EO, and must be diluted. Garlic infused oil is safe and effective. This advice will cause chemical burns. "How To Apply Lemon Essential Oil and Lavender Essential Oil for Ear Ache"
Natural Ear Infection Relief with Essential Oils! drops each of Lavender, Purification, Lemon; 3 drops each of Pan Away, Thieves; Fill the rest with carrier Oil. Roll in Front of, Behind and Under the Ear to relieve pain. DO NOT PUT OILS IN YOUR EAR.