Ear pain in the right ear. The hospital.

Hi, My father (age-65)(weight-55) is experiencing pain in the right ear from last two days. The pain is in the "middle of the ear" as well as just "behind the ear". The pain was not so severe on day one, but it increased on the second day. He cannot sleep by that side as the pain was severe. The pain also increases by touching the ear. For information there is no redness near or inside the ear area. Also there is no liquid discharge or any other Symptoms. Also father is using hearing aid from the last two years. He is taking high BP and  blood clotting tablets from last 5-6 years. I could have taken him to the doctor but there are no EnT specialist in my town. Secondly I am avoiding his movement out of house because of the covid situation (considering his age). For diagnosis, I am attaching some pictures. Requesting the Dostors to please prescribe some medicines,as I could not take my father to the hospital. Thanks