It might because of last toth caries you have to go through by dental xray it will helpful in diagnosis mean while you can take few analgesic for pain relief

Consult a nearby dentist for your teeth and earpain. It may be because of cavity in ur teeth or 3rd molar pain . Get it evaluated taking x-rays at nearby dentist. Once taking an X-ray will give a clear picture about your diagnosis.

Pain on eating in tooth & ear can be because of a cavity in your back tooth not visible by naked eye. X rays need to be done. Wisdom teeth need to be evaluated. Kindly consultant a good dentist for proper thorough check up. Good luck!!

Could be detected with a radiograph. Could be because of an impacted tooth

Please see a Dentist for tooth and ear pain as they may be inter-related.Ear pain can be caused due to a erupting third molar or wisdom tooth as you call it.Sometimes the tooth is not visible in the mouth and maybe deep inside the jaw and only a X-ray can detect it . Stomach pain may be aggravated by the painkiller you had,as some of painkiller cause acidity in the stomach so a antacid is prescribed along with them.Please some MD physician for Stomach pain.