Is this a hangover and how can i fix this?

well last night at my friend's party there was alcohol and no adults were around and my friends were drinking but i didnt want to be downin full cups of mojito and wine like they were. but i just put like a little wine in my soda once. but now i have a headache, and last night at like 1 i felt queasy and had to take maalox. but i woke up at like 9 and i have a headache not really badly but dull and a bit achey. is this a hangover and how can i fix this