..by time ... detection for some drugs is short ...3-6 days also saliva tests generally detect usage for short period of time .Also for.... urine or saliva tests - masking "detox" drinks / hair test...
Not doing drugs in the first place. Stay drug free!
No. Clindamycin is an antibiotic.
If you are going to be subject to a urine test, and are clean for 3-4 days, you should be good
No, Cocaine (coke) stays in your system for a max of 3 days.