Laudanum of opium tincture prevails today only because opium tincture was sold prior to the Federal Food, Drug & Cosmetic Act of 1938. Its "grandfathered" status protects opium tincture from being required to undergo strict FDA drug reviews and subsequent approval processes. However, the FDA closely monitors the labeling of opium tincture. Bottles of opium tincture are required by the FDA to bear a bright red "POISON" label given the potency of the drug and the potential for overdose (see discussion about confusion with Paregoric below). Despite opium tincture being an "unapproved drug" as discussed above, a search of FDA's website
The Owl Drug Company Francisco, at 1128 Market Street. In 1903, with their contract with the Whitall Tatum Glass Company, they began making triangular, cobalt-blue bottles of various sizes to store poisons in, which was widely emulated. According to the book "Old Owl Drug Bottles & Others" (1968), Owl Drug created a variety of bottles for prescription medicine and pills, and also soda bottles, with an owl sitting atop a mortar and pestle molded into the glass. The bottles were produced in various sizes from up to a (rarer) , over in height. The bottles were also produced in other colors such as green,