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vitamin p

What does vitamin p mean?

Slang for a diuretic such as furosemide, used to offload fluid.

"She's fluid-overloaded — give her some vitamin P."

Origin

'P' for the urinary effect / 'peeing'; mock-vitamin drug slang.

Frequently asked questions

What is 'vitamin P'?
It's slang for a diuretic such as furosemide (Lasix), used to make a fluid-overloaded patient offload excess fluid.
Why is it called vitamin P?
The 'P' nods to the urinary effect, i.e. 'peeing,' part of a joke family of mock-vitamin drug names.
Is vitamin P a real vitamin?
No, it's a nickname for a medication, not a nutrient.
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Slang definitions: FreeDict original editorial.