Dangers and Long-Term Effects of Cocaine Abuse. Risk of overdose, damage to the nose and nasal passages, what are the long term effects of use? Cocaine addicts can develop a chronic runny nose and find that their ability to smell is impaired, and their ability to taste also decreased.
A cerebral vasospasm is the term used to describe when a brain artery or smaller brain blood vessels narrow. A blood vesselâs central lumen becomes narrow in response to the vessel wall contraction. This constriction prohibits blood flow.
Arterial vasospasm typically appears 3 to 4 days after rupture and reaches a peak in incidence and severity at 7- 10 days. The incidence and time course of symptomatic vasospasm parallels that of arterial vasospasm. However, while 40% to 70% of patients have evidence of arterial narrowing (angiography or Doppler ultrasound), only 20% to 30% develop the clinical symdrome.