Here is a very informative Termeril-P
This drug contains steroids....
This is the section dog owners should be highly cognitive of:
Quote: Phenothiazine derivatives apply also to Temaril-P. Possible side effects attributable to
corticosteroids include sodium retention and potassium loss, negative nitrogen balance,
suppressed adrenal cortical function, delayed wound healing, osteoporosis, elevated levels of
SGPT and SAP, and vomiting and diarrhea (occasionally bloody). Cushings syndrome in dogs has
been reported in association with prolonged or repeated steroid therapy. Possible increased
susceptibility to bacterial invasion and/or the exacerbation of preexisting bacterial infection may
occur in patients receiving corticosteroids. As noted above, however, this problem can be
avoided by concomitant use of appropriate anti-infective agents. Possible side effects
attributable to phenothiazine derivatives include sedation; protruding nictitating membrane;
blood dyscrasias; intensification and prolongation of the action of analgesics, sedatives and
general anesthetics; and potentiation of organophosphate toxicity and the activity of procaine
Keyword here is Adrenal insufficiency and CUSHINGS....