My 1 & ahalf year old

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So my baby will be 2years old in October and is constantly banging his head on things such as floor or crib or smacks his head with his hands he's always cranky and only does this when crying or when he can't have something he wants we go to see a ENT ( ear nose and throat specialist) just cause I've had those concerns maybe it's his ears or something but does anyone out there have littles that do this or have had littles that done this