Pharyngitis

1. risk factors

1.1. Cold and flu season

1.2. Contact with contagious person

1.3. Smoking

1.4. Frequent sinus infection

1.5. Allergies

1.6. Frequent contact with children

2. clinical presentation

2.1. Swollen lymph nodes and tonsils

2.2. Fever

2.3. Pain

2.4. Exudate

2.5. Cough

2.6. Erythema of pharynx, uvula, tonsils

3. diagnosis

3.1. Based off of clincal presentation

3.1.1. Assess for s/s

3.2. Rapid strep test

4. epidemiology

4.1. Bacterial

4.1.1. More common in winter and early spring

4.1.1.1. Most common in school aged kids during winter

4.2. Viral

4.2.1. More common in summer and fall

5. pathophysiology

5.1. Virus or bacteria invade mucosa of pharynx

5.1.1. Immune response

5.1.1.1. Increased blood flow

5.1.1.2. Pain

5.1.1.3. Inflammation

5.1.1.4. White blood cells

5.1.1.5. Erythema

5.1.1.6. Fever

6. adaptive responses

6.1. People don't build immunity to pharyngitis

6.1.1. Immune response is more rapid in re-infection