The number of pills you can buy depends on the specific strength, as the limits are based on the weight of the pseudoephedrine, not the number of boxes. Claritin-D® Tablets 24 Hour
You can buy (or any product containing pseudoephedrine) again as soon as you are within the legal purchase limits established by the Combat Methamphetamine Epidemic Act of 2005 . Federal Purchase Limits
: You cannot buy more than 3.6 grams of pseudoephedrine base in a single day, regardless of the number of transactions.
According to the and the FDA , your ability to repurchase depends on two specific limits:
