For how long does weed stay in your body? – Dr. Sanjay Panicker

Marijuana or weed, the effects of this remain s in the body for about 3 -4 weeks, and it is totally excreted from the body only about 90 days , and so many patients do experience symptoms lie dizziness, out of the world like feeling. These can be seen in patients who use Marijuana for a long period, till it is completely excreted and after that it stops.

source