Inner Thigh Blisters & Chafing: Causes & When to See a Doctor

Blistering and chafing in the groin/inner thigh are not typical of yeast infection alone. Consider:

1. Tinea cruris (jock itch): Fungal; scaling, central clearing, active border, itchy.
2. Intertrigo: Friction + moisture → erythema, maceration, fissures.
3. Contact dermatitis: Detergents, fabrics, latex, topical products.
4. Eczema (atopic dermatitis): Chronic, pruritic, lichenified.
5. Bacterial: Impetigo (honey‑crust), folliculitis, cellulitis.
6. HSV/HPV: Clustered vesicles, warts.
7. Hidradenitis suppurativa: Recurrent nodules, abscesses, sinus tracts.

Action

See a clinician for exam, KOH prep, culture, biopsy if needed. Self‑treatment with antifungals may delay correct diagnosis.