Photo-onycholysis due to tetracycline-hydrochloride

: A case of monosymptomatic photo-onycholysis due to tetracycline-hydrochloride is reported. A 40-year-old woman with rosacea had been treated with tetracycline-hydrochloride (Achromycin) 250 mg daily for 3 years. In the summer period after one month of intensive sun exposure she developed painful bullae under the nails.