White Oval tablet, no score, TEC 1

[Nick Riveara]

White Oval tablet, no score, TEC 1.
Look harmless but looks are decieving aren't they!!!
Please identify. I found them in an unusuall place.
Thanks
NICK

[robo]

This pill may possibly be a ratio-Lenoltec No. 1 caplet, from Canada.

Description from ratiopharm.ca

ratio-Lenoltec No. 1 Caplets: Each white, oblong caplet, engraved with "TEC" and "1" on one side and the other side plain, contains acetaminophen 300 mg, caffeine 15 mg, and codeine 8 mg.

This medication is used for the treatment of mild to moderate pain associated with conditions such as headache, dental pain, muscle pain, painful menstruation, pain following an accident, and pain following operations. It is also used to reduce fever.