Commonly used drugs and dosage calculations

Amlodipine– Antihypertensive- 2.5 mg tablets. Dosed at 0.625 mg

Ampicillin injectable– (125 mg/ml)- Antibiotic. Reconstitute with 7.5 ml of sterile water. Dosed at 10 mg/lb. Administered IV, TID. Expires in 24 hours. Given to dentals, 1 dose at induction, second dose two hours later.


Baytril– (22.7 mg/ml) Antibiotic- Dosed at 5 mg/kg SID/injectable- give VERY slowly and dilute with saline- can cause blindness if given too quickly.

Buprenorphine– (o.3 mg/ml)- Analgesic. Dosed at 0.05-0.15 ml q 8-12 hours, depending on the patient’s size, for post-op pain. Administered sublingual (SL) or transmucosal (TM). Not effective if swallowed.

Cefazolin injectable – (100 mg/ml)- Antibiotic. Reconstitute with 10 ml of sterile water. Dosed at 10 mg/lb. Administered IV, first dose at induction, second dose two hours later. Given to spays/declaws/other surgeries.

Cerenia injectable- (maropitant citrate) – (10 mg/ml). Anti-nausea, antiemetic. Dosed at 1 mg/kg, administered SQ.

Cerenia tablets(maropitant citrate)- 16 mg tablets. Usually dosed at 1/4 tablet once daily for 3-4 days.

Clavomox liquid – (amoxicillin trihydrate/clavulanate potassium), 50 mg amoxicillin/12.5 mg clavulanate potassium. Antibiotic. Dosed orally BID. Can cause GI upset. Give on full stomach.

Clavomox tablets- (amoxicillin trihydrate/clavulanate potassium), 62.5 mg. Antibiotic. Dosed orally BID. Can cause GI upset. Give on full stomach.

Clindamycin– Antibiotic. Dosed BID, can be given SID depending on patient. Can cause GI upset. Give on full stomach. Can cause diarrhea.

Convenia injectable (Cefovecin sodium) (80 mg/ml)- Long-acting antibiotic. Dosed at 8 mg/kg. Administered SQ, left forelimb.

Diphenhydramine injectable– (trade name Benadryl, 50 Antihistamine. Used to premedicate against vaccine reactions, after insect stings, other allergic reactions. Give 15 minutes before administration of vaccine. Dosed at 0.5 mg/lb.

Emergency fluid rate= 10 ml/kg/hr. To calculate, take cat’s weight in pounds, divide by 2.2 to get kgs, multiply by 10, then divide result by 24 to get hourly rate.

Furosemide– (trade name Lasix, 50 mg/ml)- diuretic, used to treat hypertension. Dosed at 2-3 mg/kg

Mepron-Dosed at 15 mg/kg

Metronidazole injectable-(trade name Flagyl) (250 mg/ml) Dosed at 25 mg/kg.

Orbax (orbifloxacin) Antibiotic. Dosed at 3.4 mg/lb.

Panacur– (Fenbendazole)- (100 mg/ml): Broad spectrum anthelmintic (dewormer) Effective against roundworms, hookworms, whipworms, the taenia species of tapeworms, pinworms, aelurostrongylus, paragonimiasis, strongyles and strongyloides and can be administered to sheep, cattle, horses, fish, dogs, cats, rabbits and seals. Dosed at 50 mg/kg.

Prednisolone– Steriod- Dosage depends on patients and condition being treated. Can cause excessive thirst and/or hunger. Long term use can cause diabetes.

Ranitidine (trade name Zantac) -(25 mg/ml)- inhibits stomach acid production. Dosed at 2.5 mg/kg.


About debikm

I am a veterinary technician by day, a wannabe writer the rest of the time. Living in a fantasy world is one of my greatest pleasures. Too bad it doesn't pay the bills...
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