 [ Symptoms ] can food allergies cause weight gain  several people have told me this  that their seasonal allergies cause weight gain one other says that her celiac disease causes weight gain  celiac disease usually causes failure to thrive in infants  could it cause weight gain in either children or adults  thank you  sheila wall@gmail com [ Disease ] could be an allergic reaction to something maybe a medicine you have been taking hair in your throat feeling do you have pets in your home at all if so you may really have a piece of hair in your throat i have before and took some time before it came out i can not take zyrtec makes my allergies worse some things to think about dry mouth try salt water not really sure just some ideas to throw out there