Ear infection?

Today Karma has been really crabby and pulling on her ear. I'm worried that she might have an ear infection but I don't want to take her to the hospital over nothing. I'm not really sure of all the different symptoms for an ear infection so I can't tell if I'm just over reacting.

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    About Torrie
    Current: Blair, Nebraska
    Birth: March 19
    On Moms.com since: Apr 21, 2014
    Being a mom is the best thing to ever happen to me. It's wonderful most of the time but sometimes it is scary too. I made this to see if I could pick up some tips on raising my baby girl.