How can I treat middle ear serous infection?

Not infection. Serous fluid in middle ear is not due to infection.If it is causing no symptoms and is not associated with hearing loss and no other co existing condition in nose or throat.you can leave it alone Consult an ENT Specialist if it is symptomatic and it may need to be treated mrdically with decongestants and if causing hearing loss may need tubes to drain fliuid Who diagnosed Serous?Infection See ENT.