The most u can do is make sure he puts ice on them, then wrap them with a cloth of some sort and make sure the cloth is tightly around his toes, keep icing it once the swelling goes down and once the weed is finally out of system then u can attend the doctor
The top number is the systolic pressure and the bottom number is the diastolic pressure.
There will have to be a balence in the blood cells so if the glucose incresed and caused the blood pressure to increase it would have to decrease
They will get an eye condition called xerophthalmia.