Collagen type II is POSSIBLY SAFE when taken by mouth in doses up to 2.5 mg daily for up to 24 weeks. Itâs not clear what the side effects might be. Other collagen products, such as bovine collagen and gelatin, have caused allergic reactions.
Puffy lips are often the result of allergic reactions. These allergic reactions can lead to a condition that causes short-term swelling to occur beneath the surface of the skin, a condition known as angioedema. Puffy or swollen lips may also be caused by other conditions, such as an infection, injury, or certain hereditary conditions.
The main symptom of sialorrhea is drooling, which may not pose a problem but is rather an embarrassment. It can lead to cracking of the lips and irritation of the skin around the lips. The skin may become infected if left untreated. Some patients may actually choke on the excess saliva which can lead to coughing.