Major hiccups help!!!?

so all my life i've had weird load painfull hiccups; but lately i've been getting the hiccups 2 or 3 times a day, i googled some stuff and it said stuff about ater eating and laughing but i doubt thats it, i laugh ya but its not like i laugh or eat and tbhen hiccup, its always at weird times and they last long. is there anything wrong with me or my hiccups? they're really painfull, is that normal?