Since photosensitivity due to thiazides was a possibility, he was given a single-dose intravenous steroid (40 mg of methylprednisolone), which improved his symptoms and so he was advised to stop ...

Thiazide diuretics, ACE inhibitors ... can be used to confirm the diagnosis and assess photosensitivity. Contact dermatitis and patch test: inquiring about laundry detergents, fabric softeners, ...