### Common Skin Diseases #### 1. Acne - **Causes:** Hormonal changes, bacteria, excess oil production. - **Symptoms:** Pimples, blackheads, whiteheads. - **Diagnosis:** Visual examination by a dermatologist. - **Treatment:** Topical creams, oral medications, lifestyle changes. - **Prevention:** Regular cleansing, avoiding oily products. #### 2. Eczema - **Causes:** Genetic factors, environmental triggers. - **Symptoms:** Red, itchy, inflamed skin. - **Diagnosis:** Physical examination, medical history. - **Treatment:** Moisturizers, corticosteroids, avoiding triggers. - **Prevention:** Keeping skin hydrated, avoiding irritants. #### 3. Psoriasis - **Causes:** Immune system issues, genetic factors. - **Symptoms:** Red patches with silvery scales. - **Diagnosis:** Skin biopsy, physical examination. - **Treatment:** Topical treatments, phototherapy, systemic medications. - **Prevention:** Managing stress, avoiding triggers. #### 4. Rosacea - **Causes:** Genetic factors, environmental triggers. - **Symptoms:** Redness, visible blood vessels, swollen skin. - **Diagnosis:** Visual examination, medical history. - **Treatment:** Topical treatments, oral antibiotics, laser therapy. - **Prevention:** Avoiding triggers, using gentle skincare products. #### 5. Skin Cancer - **Causes:** UV radiation, genetic factors. - **Symptoms:** New growths, changes in existing moles. - **Diagnosis:** Skin biopsy, dermatoscopy. - **Treatment:** Surgical removal, radiation therapy, chemotherapy. - **Prevention:** Using sunscreen, avoiding excessive sun exposure.