DDx ⬇
- Idiopathic
- Intertrigo
- Psoriasis
- Hemorrhoids
- Lichen simplex chronicus
- Seborrheic dermatitis
- Contact dermatitis
- Candidiasis
- Tinea
- Herpes simplex virus (HSV)
- Erythrasma
- Irritants: diarrhea, vaginal discharge
- Lichen sclerosis et atrophicus
- Enterobiasis (pinworm infection)
- Strongyloidiasis
Related DDx ⬆