Speak to your piercer, they will advise u further, i have had my tongue pierced for nearly 12 years, first time it swelled so much and killed afterwards, had to have it removed as i got an infection as my wisdom tooth came through and it spread to my tongue.
Second time i had to wait 3 months to heal properly b4 my piercer would do it again, and it was no different from the first time having it pierced, but it hardly swelled, i was eating nxt day and talking fine day after too.
Just pick a good piercer and they will give u the best advice they can offer, where do u live i might be able to recomend one, have some contacts in the piercing world xx lol xx