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11 terms

Absorption rates

STUDY
PLAY
Mnemonic for drug absorption rates
ISR SPIT
IV
1-3 minutes
"I" in ISR
- enter the systemic circulation rapidly
Inhaled
1-3 minutes
"I" in ISR
- produces a rapid response to a drug because of the large surface area of the lungs & their extensive blood supply
Intra-arterial
1-3 minutes
"I" in ISR
- reach a target sit in high concentration
Intra-thecal (trachea)
1-3 minutes
"I" in ISR
Sublingual
15 minutes
-Give nitro x3 - 5 minutes apart (3X5=15)
Rectal
15-30 minutes
(sublingual X 2)
Subq (except insulin)
45 minutes
(30 +15/Rectal + Sublingual)
- rely on diffusion of the drug into the bloodstream which can be influenced by warming or cooling the area or by other drugs
PO
45 minutes
(30 +15/Rectal + Sublingual)
IM
45 minutes
(30 +15/Rectal + Sublingual)
- rely on diffusion of the drug into the bloodstream which can be influenced by warming or cooling the area or by other drugs
Topical
60 minutes