Hives, also called urticaria, are red, itchy welts that can appear anywhere ... and loratadine re suitable for daytime use, while Benadryl (diphenhydramine) may be better suited for nighttime ...

There are many different types of hives -- urticaria ... such as diphenhydramine (Benadryl). Importantly, the dose can be increased when itch and other allergic symptoms are more severe.