Doctor’s prescription is a must before we proceed to take medicnes and drugs because:
1. General public is ignorant about the spectrum of the medicine, that is the reach of the drug and it's efficacy on pathogens. Besides, we are not trained to compute the exact dosage of the drug. Just as overdosage leads to side effects, underdosage also leads to the pathogens developing a resistant strain to the anibiotic making it ineffective in the long run.