will four drops of visine in your drink kill you

Not Medical Advice:

It may not kill you, but it is possible; swallowing Visine can be very dangerous, and is not a harmless prank as it is often portrayed on television and in movies!

Taking Visine, in particular its active ingredient, Tetrahydrozoline HCI 0.05%, internally can cause a dangerous lowering of body temperature; nausea and/or vomiting; difficulty in breathing, or even stop it completely; blurred vision; a sharp rise in blood pressure followed by a sharp drop; seizures or tremors; even a coma.

The makers of Visine, Pfizer, warns users to seek medical help, or contact a local Poison Control Center immediately if the product is swallowed.

Visine is designed for use in the eyes, and should only be used in that manner.

Tags: seizuresnausea 
Friday, June 22 2012
Source: http://www.snopes.com/medical/myths/visine.asp