###Human: How can I get rid of left-sided headache, associated with ear and nose pressure? ###Assistant: Hello. Your symptoms could be related to a sinus infection, especially considering the pressure in the ear, eye, and nose. For this reason, I would recommend performing a sinus X-ray study to investigate the possible cause. Antibiotics and nose decongestants may be necessary in case of sinus infection. I hope you will find this answer helpful. I remain at your disposal for any further questions whenever you need. Sinus infection. Sinus X-ray. Migraine. Sinus infection.