The following is the symptom in:

Aldrich mees line: White bands of opacity in nails of fingers and toes Mees lines (horizontal 1 to 2 mm white lines on the nails, also called transverse leukonychia) which occur from a disturbance in the nail matrix keratinization. Note: It usually takes at least 30 days for the Mees lines to become visible. It may be seen 4 to 6 weeks after an acute arsenic ingestion. These can also be seen in Thallium poisoning and Chemotherapy.