As an ordinary person, how to quickly identify fake drugs?

I think it is quite wicked to sell fake drugs. My grandfather used to buy it, He had severe asthma. After listening to the introduction of the old neighbor next door, he came back from [Beijing] mail-order a bottle of antiasthmatic medicine. He was also very excited to tell me that the small medicine powder was quite effective. After taking a spoonful at a time, he soon stopped panting. However, it was relieved for a while. After taking the medicine, his hands shook badly. Later, when I checked, the approval number of the medicine was all fake! There are too many unscrupulous merchants, the market supervision is lax, and there are always loopholes to be drilled by them. What should Read More …