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Penicillin was accidentally discovered as a mold.
The first I can't answer... it's likely to be a herbal Chinese remedy, though quinine (used since 1600's) would be in the running too (found in tree bark).
Here's a list of other drugs accidentally found or invented
http://en.wikipedia.org/wiki/Serendipity#Pharmacology
What else can I help you with?
When was Egyptian medicine invented?
When Egyptians invented medicine
Why did the sumerians invented glass?
The Sumerians invented glass accidentally.
Who invented medicine for epilepsy?
George washington invented medicine for epilepsy!!
What medicine will you take if you accidentally bite by snake?
Anti-vemom
What are some skittle facts?
It was accidentally invented
Was Gymnastics accidentally invented?
no. gymnastics is the sport of the gods. it was invented because its amazing.
How did the ancient Greeks' invent medicine?
They invented medicine BY... Inventing medicine
When were antidepressants invented?
They were accidentally invented in the 1950's in a tuberculosis drug trial.
What does a doctor say when he accidentally drops the patient's medicine?
Sorry that was not my fault ,it is your fault.
Why is coke made?
Coke was invented by a pharmacist who accidentally added carbonated water to his medicine syrup to create somewhat of a HAPPY accident :D
Who invented medicion?
The person that invented the medicine is Amenhotep.
What year was post it notes invented?
In 1968 the glue was invented (accidentally) and putting it with the paper was in 1974
