I do have a heap filter in the room with them. She's not on anti histamine, if she does start sneezing I just give her allergy pills like Benadryl. I can't take any medication because I'm pregnant I don't find it to be safe to take any medication at this time. For her asthma I have to give her the inhaler (qvar) 2x a day. I did remove the Timothy hay and bought orchard grass like you suggested. I don't know what else to do. I still woke up stuffy today.