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Arithmetic on the numbers you enter. Check the result against your pharmacy label and ask your prescriber. Reko does not suggest doses, and this is not medical advice.
How it works
Milligrams = units ÷ 100 × concentration. A way to check what you actually drew.
Keep the record
Reko logs each dose against the vial or pen it came from, counts down what is left, and warns when a draw falls between your syringe's markings.