A blocked ear can occur due to earwax buildup, colds or sinus congestion, allergies, fluid in the ear, infection, or pressure changes. The right treatment depends on the cause, so using random ear drops without knowing the reason may sometimes worsen the problem, especially if there is infection or damage to the eardrum. Doctors may prescribe wax-softening ear drops, medicines for allergy or congestion, or antibiotic ear drops if an infection is present. Avoid putting sharp objects, earbuds, oil, or home remedies deep into the ear because they can injure the ear canal or push wax further inside. Swallowing, yawning, steam inhalation, or gentle hydration may help if the blockage is related to cold or pressure changes. Please consult a doctor if the blockage lasts more than a few days or is associated with pain, fever, ringing sound, dizziness, discharge, or hearing loss, as proper ear examination may be needed.