Formulated for cats between 5-8 lbs .   Your cat's weight will increase during the treatment as it regains appetite and muscle mass.  Weigh your cat weekly.  Increase dosage accordingly.  Use our FIP Dosage Calculator to calculate the appropriate dosage for your cat.
 
You should see visible improvements with 3-4 days of treatment.  Improvements include:
increased appetite 
increased activites 
reduced fever 
more alertness
increase frequency of self grooming
 
Watch our instructional video on how to perform FIP treatment vials.