Differential Diagnosis for Coin Shaped Lesions on Arm After Voltaren
- Single Most Likely Diagnosis
- Fixed Drug Eruption: This is a common adverse reaction to certain medications, including Voltaren (diclofenac), characterized by coin-shaped lesions that occur at the same site each time the drug is taken.
- Other Likely Diagnoses
- Contact Dermatitis: Direct contact with Voltaren gel or other topical agents can cause an allergic or irritant reaction, leading to skin lesions.
- Photosensitive Reaction: Voltaren can cause photosensitivity, and exposure to sunlight may exacerbate the skin lesions.
- Erythema Multiforme: A skin condition characterized by target-like lesions, which can be triggered by medications like Voltaren.
- Do Not Miss Diagnoses
- Stevens-Johnson Syndrome: A rare but life-threatening condition that can be triggered by medications, including Voltaren, characterized by widespread skin lesions and mucosal involvement.
- Toxic Epidermal Necrolysis: A severe skin condition that can be caused by medications, resulting in widespread skin necrosis and detachment.
- Rare Diagnoses
- Pemphigus: A group of autoimmune skin diseases characterized by blistering lesions, which can be triggered by certain medications.
- Cutaneous Lupus: A chronic autoimmune skin condition that can be triggered by certain medications, including Voltaren, and is characterized by discoid lesions.