It's not a fever until it's 100.4 or over in infants. You could take him to the pediatrician or you can continue to give him Tylenol to help him feel better. If he gets worse I would bring him in.
100.2 is actually a very minimal fever for infants because their bodies run warmer. Try some more Tylenol and if it's still going up after that then I would bring him in to get checked out. Hope he feels better soon! Could be teething as well