Case series of tongue necrosis from vascular complications after chin augmentation with hyaluronic acid: Potential pathophysiology and management.

Background: Even though the chin is considered a safe injection area for facial filler augmentation, tongue necrosis is a rare complication in this area.

Objective: Our aim was to present case series of rare complications from chin filler augmentation with possible pathophysiology and management.

Methods: From our thorough literature search found only one case report of tongue necrosis from chin filler augmentation.

Nevirapine patch testing in Thai human immunodeficiency virus infected patients with nevirapine drug hypersensitivity.

Background: Antiretroviral drug hypersensitivity in HIV patients is common. Publications have shown that Abacavir (ABC) patch testing is useful in confirming ABC hypersensitivity in 24-50% of cases with a 100% sensitivity of HLA-B*5701 in patch test positive cases. However, Nevirapine (NVP) patch testing has not been reported.