A member asked:

Can you tell me if a pre-felling syringe contains 50mg of lidocaine per 5ml. how to express the percentage stregth of the lidocaine?

A doctor has provided 1 answer

1%: 50mg/5ml= 10mg/ml. 1000mg = mass of 1ml (h2o). 10mg/1000mg= 1/100=1%.

Answered 1/3/2014

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