 [ Symptoms ] right side of jaw clicks when i open and when i move it side to side i feel limited in how wide i can open no pain happens a few times a day usually when i open my mouth wide to eat sometimes i wake up and can not open very far no pain but very inconvenient and i am terrified of needing surgery [ Disease ] it makes a lot of sense it is another non drowsy medication that works to reduce the allergic response over the long term and the 5 milligram chewable is the children is dose though it is also used to control asthma it is very useful for allergies here is more information <link>