Having been an allergy suffer all my life, and not just seasonally, I've tried just about everything. No matter what if I need an antihistamine, I always end up back with my faithful Sudafed. With recent issues you can only get the Pseudoephedrine version from behind the pharmacy counter and in some states you need to get a prescription for it, but it's worth it. I've tried Benadryl, Actifed, Tylenol, Mucinex-D, Clariton, you name it, I've tried it. For the money, Sudafed works as good as any of them. And the the only one that has worked as good as sudafed for me is Mucinex-D, but it's...