It's been a month. The constant lip pain is really painful. Symptoms include unbearable cramps, swollen lips, and a hot sensation. My jaw is tight and tight, so it's very uncomfortable. I had anterior chin advancement surgery. It's been a month since I've had this, so I guess it's not getting any better. Is there any solution ? The sensation in my jaw and lips is returning, and there's no problem with movement. What's the cause of this constant pain?