Varicella (chickenpox) is a highly contagious primary infection characterized by successive crops of pruritic vesicles that evolve pustules, crusts, and at times, scars.
The temporo-mandibular joint (TMJ) is the area directly in front of the ear on either side of the head where the upper jaw (maxilla) and lower jaw (mandible) meet. It is one of the most frequently used joints of the body.