I'm 49, female. Hypersalivation and dry lips, the corners of my mouth cracked after the buccal fat removal surgery?

1 month back , i done blepharoplasty and buccal fat removal surgery . now for the past 2 weeks im suffering from hypersalivation , dry lips , the corner of my mouth cracked . i feel muscle tiredness in cheeks when i speak . whats is the reason and cause of it ? do i have to put my buccal fat back ?

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