Is this considered medical malpractice.

Not medical malpractice! You got a friend is typical of the kidney function has a problem, the kidney is a metabolic organ. Then the medication will be metabolized through the kidneys and increase the burden on the kidneys. Some of the phenomena that just happened to come out match! So it's your friend who already had kidney function problems before. The doctor was right to give medication, but he can't know about other problems in our body! Suggest that before we get sick more to do some prevention, and not necessarily a cold must take medication, we can use some simple natural methods