There is no specific cause of this disease. Epithelial and fungal debris collects in the follicles in the pharynx which could be a sign of a potential cause. The main thing to know about this condition is that it can reappear.
Keratosis pharyngis
Streptococcal intertrigo
Rhinitis medicamentosa
Intertrigo
Dermatophagia
Shingles
Garlic allergy
Denture-related stomatitis