Hi Doc! 4days Back I Had A Bike Accident, I

Hi Doc! 4days back I had a bike accident, I got 12 stiches on the left back of my head and some scratches on my left hand, shoulder, Is it okay if I smoke weed?? During last 4 days, I didn't feel any headache, drowsiness, nausea and all! I feel absolutely fine...just the scratches hurt sometimes!
The medicine which is being prescribed to me is a Antibiotics, painkillers and gastric tabs and paracetamol!
Please help me!