Reddening of eyes, change in sex drive, infertility. Changes in body temperature, hallucinations, slowed reaction time. Delusions, panic, toxic psychosis, activation of latent schizophrenia which may continue indefinitely. A motivational syndrome, memory loss with possible permanent brain damage. Death of self and others due to driving under the influence, especially when combined with alcohol.
Dependence can develop as a psychological craving.
Unborn children of mothers who use cannabis may develop congenital defects or experience delayed development after birth. Shaking, muscle twitches, seizures, severe anxiety, compulsive repetition of movements. Paranoia, psychosis, heart related effects, nausea, and vomiting. Changes in breathing, increase in body temperature, cold sweat, dramatic mood swings. Hallucinations, sensation of insects crawling under skin and other continuing psychotic effects.