A 56-year-old man with a history of lower lid blepharoplasty presents for follow-up 3 days after undergoing botulinum toxin injection into the lower eyelid for periocular rhytides. Which of the following is the most likely cause of the patient’s findings?
A. Allergy to botulinum toxin
B. Formation of festoon
C. Infraorbital malar edema
D. Normal physiologic changes
E. Undiagnosed neuromuscular disease
