Chief Complaint: Pruritus
| History or Physical Exam | Hyperemia of the Skin |
Differential Diagnosis
Contact Dermatitis: This can be caused by contact with allergens or irritants, resulting in redness and itching.
Atopic Dermatitis (Eczema): A chronic inflammatory skin condition characterized by itching, redness, and sometimes oozing or crusting.
Urticaria (Hives): Raised, itchy welts on the skin that are often accompanied by redness and can be triggered by various factors, including allergens.
Psoriasis: An autoimmune skin condition characterized by red, scaly patches of skin that may itch and burn.
Scabies: An infestation of mites that burrow into the skin, causing intense itching and redness.
Fungal Infections: Conditions like ringworm or candidiasis can cause red, itchy skin.
Allergic Reactions: Allergies to medications, foods, or insect stings can lead to generalized itching and skin redness.
Insect Bites or Stings: Mosquito bites, bee stings, or other insect bites can cause localized itching and redness.
Drug Reactions: Some medications can cause skin reactions, such as drug-induced hypersensitivity syndrome (DIHS) or Stevens-Johnson syndrome.
Scaly Skin Disorders: Conditions like pityriasis rosea or nummular eczema can cause itchy, red, scaly patches of skin.
Dermatitis Herpetiformis: A skin manifestation of celiac disease, causing intensely itchy, red, blistering lesions.
Autoimmune Skin Diseases: Conditions like lupus or dermatomyositis can cause skin rashes, redness, and itching.
Inflammatory Skin Conditions: Conditions like lichen planus or granuloma annulare can cause red, itchy plaques on the skin.
Parasitic Infections: Infections like cutaneous larva migrans or hookworm infections can cause skin irritation, redness, and itching.
Neurological Causes: In some cases, neurological disorders can cause itching without an obvious skin rash.
Systemic Causes: Underlying systemic conditions like liver disease, kidney disease, or thyroid disorders can manifest with skin symptoms, including itching and redness.
| Next Pivotal Assessment | Finding |
|---|---|
Furher History or Physical Exam
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