Travling and ive had a cold for the past week but its basically over now

Okay so ive had a cold for the past week and im supposed to travel from sweden to romania tomorrow my nose isnt blocked because ive used nasal spray but i have slight ear pain in my left ear or like discomfort not very bad what can i do to prevent ear pain on the flight? also its my first time flying my current plans are to get alpine flyfit earplugs and take otrivin nasal spray with ibuprofen/paracetamol and chew gum and sip water on my plane is there anything else i should do?