Throat pain
Dysphagia, sensation of something in their throat, gagging sensation
Low-grade fever
Signs/symptoms of concomitant epiglottitis
Sudden onset
High fever
Dysphagia
SOB
Drooling
+/- Features indicative of etiology:
Sick contacts
Allergen exposure
Recent surgical procedure with site of entry via mouth (EGD, laryngoscopy, OGT, etc)
Recent inhalation of cannabis
Incomplete vaccination status
H. Influenzae - epiglottis
First H. Influenzae vaccine at 2 months, last booster 12-15 months
Hereditary angioedema
Sudden onset
High fever
Dysphagia
SOB
Drooling
High fever
Dysphagia
SOB
Drooling
Sick contacts
Allergen exposure
Recent surgical procedure with site of entry via mouth (EGD, laryngoscopy, OGT, etc)
Recent inhalation of cannabis
Incomplete vaccination status
H. Influenzae - epiglottis
First H. Influenzae vaccine at 2 months, last booster 12-15 months
Hereditary angioedema
H. Influenzae - epiglottis
First H. Influenzae vaccine at 2 months, last booster 12-15 months
General
Range from well appearing to toxic
Uvula
Markedly erythematous and edematous
Pinpoint hemorrhage is possible
Vesicular lesions possible if viral etiology
Nonerythematous, pale, swollen (uvular hydrops) may indicate angioedema
Tonsils
Edematous vs. nonedematous
Exudative vs. nonexudative
Erythematous posterior pharynx
Respiratory
Range non-labored breathing to (rarely) respiratory distress
Stridor
"Hot Potato Voice"
Typically clear lungs
Range from well appearing to toxic
Markedly erythematous and edematous
Pinpoint hemorrhage is possible
Vesicular lesions possible if viral etiology
Nonerythematous, pale, swollen (uvular hydrops) may indicate angioedema
Edematous vs. nonedematous
Exudative vs. nonexudative
Range non-labored breathing to (rarely) respiratory distress
Stridor
"Hot Potato Voice"
Typically clear lungs
Uvulitis
Appendicitis 
Infectious
Appendicitis
Group A Streptococcus
Cervicitis
H. Influenza
Orchitis