Dr. Leonardo Rotolo - Page 2

Tua Saúde
Dr. Leonardo Rotolo
Page 2

Recent Articles by Dr. Leonardo Rotolo

What causes red itchy spots on the skin?

Red itchy spots on skin may be caused by allergies, contact dermatitis, eczema, scabies, chickenpox, psoriasis, or ringworm. Other symptoms can include fever, body aches, dry or flaky skin, headache, nausea, or small bumps, depending on the underlying cause.

Diseases and Conditions

Pityriasis Rosea: Symptoms, Causes & Treatment

Pityriasis rosea is an inflammatory skin condition that causes red or pink scaly patches, usually on the trunk, and often improves on its own within 6 to 8 weeks.

Tests

Wood's Lamp: How It Works & What Results Mean

Woods lamp is a diagnostic exam used in dermatology to help identify fungal and bacterial infections, pigment changes like vitiligo and melasma, and signs of oily or dry skin based on fluorescence under UV light.

Diseases and Conditions

Dandruff: Symptoms, Diagnosis, Causes & Treatment

Dandruff (seborrheic dermatitis) is an inflammatory skin condition marked by white flakes, itching, and oiliness. Triggers range from stress to fungal growth. Treatment includes antifungal shampoos with ketoconazole or zinc pyrithione and topical medications to manage persistent inflammation.

Cancer

Squamous Cell Carcinoma: Symptoms, Causes & Treatment

Squamous cell carcinoma is a common skin cancer that usually develops on sun-exposed skin and may cause rough patches, firm nodules, or sores that do not heal. Risk factors include long-term UV exposure, and treatment may involve surgery, cryosurgery, radiation therapy, or photodynamic therapy.

Beauty & Cosmetics

Phenol Peel: Uses, Procedure & Recovery

Phenol peel is a deep treatment that can cause serious risks, including heart complications, severe skin burns, infection, and long recovery. Warning signs after the procedure include intense pain, fever, swelling, or discharge and require immediate medical attention.

Cancer

Metastatic Melanoma: Symptoms, Causes & Treatment

Metastatic melanoma is not usually curable, but treatment can help control the disease and improve survival. The main goals of treatment are to slow cancer cell growth, relieve symptoms, delay disease progression, and improve life expectancy and quality of life.

Spots on the Skin

Red Spots on Skin: 19 Common Causes & Treatments

Red spots on skin can be caused by allergies, infections, or chronic conditions like psoriasis, lupus, or rosacea. They may appear with itching, fever, or blisters. Diagnosis considers symptoms, with treatment ranging from creams to medications.

Diseases and Conditions

Milia: Causes, Symptoms & Treatment

Milia are small white or yellow skin cysts caused by trapped keratin, sun exposure, skin healing, or oily products. They often appear on the face and may affect babies. Diagnosis and treatment may include skin care, retinoids, cryotherapy, or extraction.

Dermatitis

Nummular Dermatitis: Symptoms, Causes & Treatment

Nummular dermatitis is a skin condition that causes coin-shaped, itchy red patches and skin flaking. It is more common in winter and is diagnosed by a dermatologist based on symptoms and skin changes.

Dermatitis

Dermatitis Herpetiformis: Symptoms, Causes & Treatment

Dermatitis herpetiformis is a chronic autoimmune skin disease linked to gluten sensitivity and celiac disease. It causes intensely itchy, clustered blisters, is diagnosed with skin biopsy and testing, and is treated with a gluten-free diet and medications like dapsone.

Beauty & Cosmetics

Kojic Acid: Uses, How to Apply & Side Effects

Kojic acid is a skin-lightening ingredient used for melasma, sun spots, acne marks, and uneven skin tone. It helps reduce dark spots, may support acne care, and can cause side effects like irritation, redness, or peeling, especially at higher concentrations.

Diseases and Conditions

Hidradenitis Suppurativa: Symptoms, Diagnosis, Causes & Treatment

Hidradenitis suppurativa is a chronic inflammatory condition where blocked hair follicles lead to painful lumps, pus, and scarring in the armpits or groin. Medical management involves antibiotics, biologics like adalimumab, and lifestyle changes to reduce inflammation and prevent recurrence.

Beauty & Cosmetics

Wrinkle Creams: Main Ingredients & How to Apply

Wrinkle creams with hyaluronic acid, retinol, glycolic acid, and vitamin C may help soften fine lines, improve skin texture, and support firmer-looking skin. This article also covers how to use them and other wrinkle treatment options.

Beauty & Cosmetics

Freckles: Why They Appear & What to Do

Freckles are small brown or tan spots caused by excess melanin, often triggered by sun exposure and genetics. This article explains why freckles appear, when they get darker, and the main treatment options, including sunscreen, creams, laser, cryosurgery, and chemical peels.