Contact the veterinarian
if the pet has bloody, black or tarry
stools or blood in vomit as these
symptoms could indicate serious side
effects. If any of the following serious
side effects occur, stop giving
Rimadyl and seek emergency veterinary medical
attention; an allergic reaction
(difficulty breathing; swelling of the
lips; tongue or face; hives); muscle
cramps, open sores in the mouth, rapid
weight gain due to fluid retention;
seizures, abdominal cramping. Other less
serious side effects may occur. Continue
giving Rimadyl and talk to your
veterinarian if your pet experiences
headache, dizziness, nausea, diarrhea,
or constipation, depression, fatigue or
weakness, dry mouth. Other side effects
may also occur. Talk to your
veterinarian about any side effect that
seems unusual or bothersome to the
animal.