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1468  Cefpodoxime (Simplicef, Vantin)                                      Chorionic gonadotropin, human (Chorulon, HCG)



            Generic Name (Brand                                                              Administration/
            Name, Synonyms)   Canine Dosages       Feline Dosages      Adverse Effects/Warnings  Availability
  VetBooks.ir  Cefpodoxime (Simplicef,   Susceptible skin and soft tissue   Susceptible skin and soft tissue  Well tolerated but adverse effects   Tablets
                                                                        include inappetence, GI upset,
             Vantin)
                                                    infections: 5-10 mg/kg PO
                               infections: 5-10 mg/kg PO q
                               24h
                                                    q 24h
                                                                        and lethargy. Hypersensitivity and
                                                                        pemphigus-like drug reactions
                                                                        are rare, but possible.
            Ceftazidime (Ceptaz, Fortaz,  Susceptible infections (usually   Susceptible infections (usually   Painful on IM injection. May   Injection
             Tazicef)          Pseudomonas): 30 mg/kg   Pseudomonas): 30 mg/  cause GI upset or dysbiosis.
                               IV, IM, SQ q 6-8h or as a   kg IV, IM, SQ q 8h or as   Hypersensitivity has been
                               continuous IV infusion (CRI)   a continuous IV infusion   reported.
                               with a loading dose of 4.4 mg/  (CRI) with a loading dose of
                               kg and a CRI infusion rate of   4.4 mg/kg and a CRI infusion
                               4.1 mg/kg/h          rate of 4.1 mg/kg/h
                              Infections other than
                               Pseudomonas: 30-50 mg/kg IV
                               or IM q 6-12h
            Cephalexin (Keflex, Cepexin,  Susceptible infections: 22-40 mg/  Susceptible infections:   Well tolerated, but adverse effects   Capsules, tablets, powder for
             cefalexin)        kg PO q 8-12h        15-30 mg/kg PO q 8-12h  include GI upset. Hypersensitivity   oral suspension
                                                                        or blood dyscrasias occur rarely.
                                                                        Consider dose reduction in
                                                                        advanced renal failure.
            Cetirizine (Zyrtec)  Antipruritic antihistamine:   Antipruritic antihistamine:   Generally well tolerated. Sedation,   Tablet, oral solution OTC
                               5-10 mg/DOG (up to maximum   5 mg/CAT PO q 24h  hypersalivation and ataxia may
                               2 mg/kg) PO q 12h                        occur in animals despite being a
                                                                        “nonsedating” antihistamine.
            Charcoal, activated  GI adsorbent for acute poisoning:   GI adsorbent for acute   Do not administer to animals that   Granules and oral suspensions
                               1-2 g/kg PO or by stomach   poisoning: 1-2 g/kg PO or   are vomiting (aspiration risk) or   combined with sorbitol
                               tube (preferred); use labeled   by stomach tube (preferred);   that have ingested caustic or   cathartic to encourage
                               dose when using commercial   use labeled dose when using   corrosive materials. Charcoal   evacuation of charcoal-bound
                               product. Can be mixed with   commercial product. Can   combined with cathartic can   toxicant
                               small amount of canned food or   be mixed with small amount   cause hypernatremia (especially
                               broth and offered for voluntary   of canned food or broth   in smaller animals). Rapid
                               consumption, or mixed with   and offered for voluntary   administration may cause
                               water (1 g/5 mL) for syringe or   consumption, or mixed with   vomiting/aspiration. Not effective
                               tube administration  water (1 g/5 mL) for syringe   for all toxicants (e.g., mineral
                                                    or tube administration  acids or alkalis, ethanol,
                                                                        fertilizer). Stains clothing.
            Chitosan-based phosphate   Phosphate binder: 1 g/5 kg BW   Phosphate binder: 1 g/5 kg BW  Contains lactose, calcium   Scoopable powder to add to
             binder (Epakitin)  PO q 12h            PO q 12h            carbonate, chitosan, and   food
                                                                        hydrolyzed soy protein.
            Chlorambucil (Leukeran)  Antineoplastic: 2 mg/m  PO q 24h  Antineoplastic: 15 mg/m  PO   Adverse events commonly include   Tablets. Cytotoxic, NIOSH-listed
                                           2
                                                                 2
                               for 3 weeks beyond remission;   q 24h for 4 days, repeated   GI toxicity and myelosuppression.  hazardous drug and should be
                                       2
                               then 1.5 mg/m  PO q 24h for   q 3 weeks, or 2 mg/CAT PO         prepared, administered, and
                                                                2
                               15 days and then q third day; or   q 48h, or 20 mg/m  PO q 2    disposed of in accordance
                               0.1-0.2 mg/kg PO q 24-72h, or   weeks. Often administered       with federal and local
                               15-20 mg/m  PO q 2 weeks  with prednisolone.                    requirements. Although can
                                      2
                                                                                               be compounded, advisability
                                                                                               of using compounded liquids
                                                                                               is questionable due to
                                                                                               possible human exposure.
            Chloramphenicol (Viceton)  Susceptible infections: 40-60 mg/  Susceptible infections:   Can cause bone marrow   Tablets, capsules, oral
                               kg PO, IM, IV q 6-8h  15-50 mg/kg PO, IM, IV   suppression, as well as GI   suspension, injection, and
                                                    q 12h               upset. Use with extreme caution   ophthalmic ointment. Owner
                                                                        in patients with pre-existing   should be cautioned to wear
                                                                        hematologic disorders,   gloves and wash hands after
                                                                        pregnancy, hepatic failure, and   administration.
                                                                        in neonates. Lower doses used
                                                                        in cats as they are at higher risk
                                                                        for adverse events, especially if
                                                                        used >14 days. Multiple drug
                                                                        interactions. Risk of aplasia in
                                                                        humans who are susceptible.
            Chorionic gonadotropin,   Cryptorchidism: 100-1000 units/DOG  Induction of ovulation: 500   Contraindicated in androgen-  Injection
             human (Chorulon, HCG)  IM q 3-4 days × 4 treatments  units IM on day 1 or days 1   responsive neoplasias or
                              Testosterone stimulation for   and 2 of estrus. Alternatively,   hypersensitivity to the drug.
                               gonadal status testing: Measure   250 units IM on days 2 and
                               testosterone before and 24   3 of estrus, coupled with
                               hours after 750 units IV   mating 3 times per day at
                               (regardless of body weight)  3-hour intervals for the first
                              Male infertility (controversial): 500-  3 days of estrus.
                               1000 units/DOG IM q 2 weeks
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