 [ Symptoms ] can i switch from vicodin to advil without waiting for the vicodin to clear my system  i have shingles yes i had the shot too have been taking acyclovir and vicodin the vic did not kill the pain so i been adding 2 advil after 5 days my feet started swelling and i was worried about my kidneys i read that acy should not be taken with advil so i stopped the adivil 2 days ago swelling did not decrease i stopped the acy about 28 hrs ago still no change in the swelling i have decided to stop the vic 5 500 and stick with 600 mg advil [ Disease ] a child of his age can get 6 9 viral infections per year on the average if each one lasts a week or two it can seem that he is sick all of the time the more exposure to other children the more likely he will share those easily transmitted germs it is normal to be concerned about his immune system but as a child his immune system is inherently immature    children do get sick more than adults and older children they tend to be better after age 6 as you know i have no way of specifically determining why he seems to get sick so many times so you will need to bring this up to his medical provider