week. Atropine has less sting effect, but can be toxic or fatal if ingested in large quantities by children or adults. With eye drops, systemic effects are minimal to nonexistent due to very low absorption into the bloodstream. Illicit use According to the researchers of the European Commission-funded ReDNet Project, in Russia tropicamide is currently abused (injected intravenously e.g. by insulin syringe) as an inexpensive recreational deliriant drug (along with naphazoline). Stereochemistry Tropicamide has a chiral center and two enantiomers. Medications are racemates. References External links 4-Pyridyl compounds Carboxamides Muscarinic antagonists Wikipedia medicine articles ready to translate World Health Organization essential medicines