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Most drugs will dilate your pupils (make them larger). Marijuana will cause inflammation in the whites of the eyes and not likely cause dilation. PCP will cause floating pupils. Some will cause eyes not to respond to light (no change in pupils). There are other signs and you will need to look up signs of drugs to check. I do not do drugs but I sure do know my RX pills cause my pupils to get large. I take many a day. I have learned about others by looking it up due to having to help raise (as the father's girlfriend) an almost 16 yr old boy (in 10 days).

P.S. - can never forget about the bloodshot eyes and the teary eyes. But that's only if you know the person has had enough sleep and has not had any problems that would cause the person to cry.

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13y ago

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