Psoriasis vs. Impetigo vs. Contact Dermatitis vs. Basal Cell Carcinoma: A Detailed Comparison

| Feature | Psoriasis | Impetigo | Contact dermatitis | Basal cell carcinoma |

|---|---|---|---|---|

| Cause | Autoimmune disorder | Bacterial infection | Allergic reaction | Uncontrolled cell growth |

| Symptoms | Red, scaly patches of skin | Blisters and crusting | Itchy, red, and inflamed skin | Pearly or waxy bump that may bleed or crust |

| Treatment | Medications, light therapy, lifestyle changes | Antibiotics, drainage of blisters | Corticosteroids, antihistamines, lifestyle changes | Surgery, radiation therapy, chemotherapy |

| Prognosis | Chronic condition that can be managed | Usually curable with treatment | Usually curable with treatment | Usually curable with early treatment |