Active Ingredient(s):Tetrahydrozoline FDA Approved: * November 30, 1979 Pharm Company: *KENWOOD LABS Category:Vision / Eye Health
Tetryzoline (also known as tetrahydrozoline) is a drug used in some over-the-counter eye drops and nasal sprays. Tetryzoline was patented in 1954, and came into medical use in 1959.
1 Side effects
4 Society and culture
4.2 Urban legend
4.3 Criminal use
Tetryzoline eye drops may cause blurred vision, eye irritation and dilated pupils....
* May have multiple approval dates, manufacturers, or labelers.