Swallowing of semen cannot enter your ear. The fluid build up in your ear is the result of some sort of infection and the swelling of the lymph
node is the reactionary measure from that lymph node to infecting organism. The need of hour is to check infection and keep inflamation and pain under controll . the lymph node will return to normal when the infection is eradicated.Amongst herbal medicines i would reommend cap. neem tab. punarnava guggul and trifla guggul.