For each, name the specialist to which the person could be referred and provide a brief description of the types of problems handled by the specialist.

1. Matt has been suffering from acne for several months now. What started as a small problem has become severe, so he made an appointment with his primary care physician.

2. Juan visited his dentist for a check-up. The dentist noted that the position of Juan is permanent teeth has made it difficult for Juan to chew properly. Juan also feels embarrassed about his crooked teeth.

3. Hannah has had cold symptoms for a month now. Even though she has been taking cold medicine, she does not feel much better. Hannah made an appointment with her primary care physician, and at her appointment she described her symptoms: watery eyes and constant sneezing.

4. Erica made an appointment with her primary care physician to discuss the severity of her menstrual cramps. She misses several days of school each month, and wonders if there is a treatment that could alleviate her cramps.

Dermatologist, orthodontist, allergist, gynecologist.