Yes you can.
On some people. The signs and symptoms vary between different users. On some people you can't tell by looking at them that they are under the influence of cocaine. Others have obvious signs, such as the blood shot, glassy eyes, trembling, red cheeks...it really depends on the user and their body's chemical reaction to the drug. Also, the amount of cocaine used is a factor.
Conjunctiva
Increased the regular heart beat. causes red eyes( blood -shot eyes) . dry mouth. cotton mouth relaxation of the muscels your hands and feet gets col, or you get food carving.
Prod fight. That's what happened when I did it. None of my friends seemed to care at the time. swimming also can make your eyes blood shot
They are often blood shot (red) and protruding.
most of the time you will have red blood shot eyes, but eye drops can help tons.
You have to get really angry like in a rage that is being held in for a long time.
close your eyes and remember the person you love the most
It all depends on the person, for me it makes my eyes blood shot! 2 segments usually get me going.
the THC in marijuana increases your heart rate, increasing the blood flow to your eyes thus making your eyes red and blood shot. it also gives your eye color more depth.
Sleep deprivation