The lid’s test strips also detect and provide adulteration panels for pH, creatinine, and nitrites. When the eCup is placed into the eReader system, its test strips are digitally screened for the presence or absence of drugs of abuse. The result? Rapid drug test results for all negative drug screens, sent directly to you. memory problems, feeling depressed or irritable; headache, leg cramps, muscle aches; feeling nervous or irritable; dryness of your skin or hair, hair loss; irregular menstrual periods; or. vomiting, diarrhea, appetite changes, weight changes. Certain side effects may be more likely in older adults. Common Levoxyl side effects may include: chest.