Some of the effects that may be experienced after taking cocaine include: 
 
- immediate rush, feelings of euphoria 
 
- feelings of invincibility 
 
- increased talkativeness or quiet contemplation and rapture 
 
- increased confidence and a feeling of invincibility 
 - feelings of great physical strength and mental capacity 
 
- increased libido 
 - anxiety, agitation and panic 
 - paranoia 
 - upredictable violent/aggressive behaviour 
 - feeling more awake, reduced need for sleep 
 - increased performance on simple tasks 
 - enlarged (dilated) pupils 
 - dry mouth 
 - increased breathing rate 
 - increased blood pressure and heart rate (after initial slowing) 
 - reduced appetite 
 - increased body temperature 
 - increased strength and energy 
 - indifference to pain and localised pain relief. 
 - Higher doses