Insuman Rapid
R/Neutral by Aventis
short-acting r-DNA/GE/GM
U100 None
Line Insuman
Also known as Neutral, "R", "Toronto"
Similar to  
Action in cats  
  • onset
  • peak
  • duration
Action in dogs  
  • onset 15-30 minutes,
  • peak 1-5h,
  • duration 4-10h[1]
Use and Handling
Type soluble
Shelf Life 24 months
When opened 4 weeks, below 25C
In pen 4 weeks, below 25C
  • avoid heat and light
  • Do Not Freeze
  • do not mix with insulin analogues or animal-origin insulins;
  • May be used intravenously
  • Do not refrigerate in use pens/cartridges

Insuman Rapid is Aventis' brand name for its r-DNA/GE/GM short-acting insulin[2] in its Insuman line of products[3].

Like all R or neutral insulins, nothing is added (suspensions) to alter the insulin's action or speed[4]

Other brands of the same type of insulin are: Humulin R[5] and Humulin S[6][7][8] by Eli Lilly--Actrapid[9][10] and Novolin R by Novo Nordisk.

Further ReadingEdit

PDF of Insuman and Lantus info sheet


  1. Insulins-North American Veterinary Conference-2005
  2. Electronic Medicines Compendium (EMC) UK-Patient Information Leaflet-Insuman Rapid
  3. Aventis Poster-Insuman & Lantus Insulins
  4. FDA-Humulin R
  5. R Regular Human Insulin
  6. Electronic Medicines Compendium (EMC) UK-Patient information Leaflet-Humulin S
  7. Humulin S Prescribing Information
  8. Lilly EU/UK Product Sheer & Time Activity Profiles
  9. EMEA Scientific Discussion-Actrapid
  10. Prescribing Novo Insulins
Community content is available under CC-BY-SA unless otherwise noted.