Slightly swollen lower frontal jaw-small pain Swollen lower lip (similar to punch) with white spot at the peak of swelling Woke up with this? Any ideas

Lesion. Not sure without a picture. Perform a virtual consult with a picture so we can help you.
Hard to know. Pain and swelling is usually related to some type of trauma or infection. If it is truly random, then one would have to suspect angioedema/hives, which occurs both due to hereditary causes or to allergy or some other trigger for mast cell release. Medication side effect is common. Progression to swelling of the throat can be deadly because of an inability to breath. Consider having this evaluated.