Commonly used feline drugs and their dosages

Dosages for drugs commonly used in treating cats. Dosages are given per pound (0.4536 kg) of body weight, except as noted. WARNING: Not be used as a substitute for your veterinarian. Many drugs have adverse side effects, some of which can be LETHAL!
Albendazole	Valbazen	Giardia	12 mg/lb	Twice a day for two days
Amoxicillin	Amoxi-Drops, Biomox, Polymox	Bacterial infections	5-10 mg/lb	Once to twice a day
Amoxicillin-potassium clavulanate	Augmentin, Clavamox, Synulox	Bacterial infections	2.5-5 mg/lb	Twice a day
Ampicillin	Polycillin, Polyflex	Bacterial infections	10-15 mg/lb	Three times a day
Azithromycin	Zithromax, Azitrocin	Bacterial/mycoplasmal infections	2.5 – 10 mg/lb	Once a day to every other day
Cefaclor	Ceclor	Bacterial infections	5-15 mg/lb	Twice to three times a day
Cefadroxil	Cefa-Drops, Cefa-Tabs, DuriCef	Bacterial infections	5-15 mg/lb	Twice to three times a day
Cefazolin	Ancef, Kefzol	Bacterial infections	5-15 mg/lb	Twice to three times a day
Cefpodoxime proxetil	Simplicef, Vantin	Bacterial infections	2 to 5 mg/lb	once a day
Cephalexin	Keflex	Bacterial infections	5-15 mg/lb	Twice to three times a day
Chloramphenicol	Chloromycetin	bacterial infections	6-12 mg/lb	twice a day
Ciprofloxacin	Cipro	Bacterial infections	5 mg/lb	twice a day
Clarithromycin	Biaxin	Bacterial/mycoplasmal infections	2.5 mg/lb	Twice a day
Clindamycin	Antirobe	Bacterial infections, especially in the mouth	5-10 mg/lb	Once a day
Clomipramine	Anafranil	Urine spraying	0.1-0.25 mg/lb	Once a day
Domperidone	Motilium	Lactation stimulation	0.025-0.05 mg/lb	Once or twice a day
Doxycycline	Vibramycin	Bacterial and mycoplasma infections, chlamydia	3 mg/lb	Twice a day. MUST be given with water or as a suspension.
Enrofloxacin	Baytril	Bacterial infections	2 mg/lb	Once a day. DO NOT exceed 2.3 mg/pound per day
Erythromycin		Bacterial infections	2 -10 mg/lb	Three times a day
Febental	Drontal Plus	Giardiasis	56.5 mg per cat	Once a day for five days

Fenbendazole	Panacur	Roundworms, giardia	23 mg/lb	Once a day for three days
Fipronil	Frontline	Fleas, mites	4 mg/lb	Once a month. If using dog formulation, one drop (0.05ml) per pound.
Fluconazole	Diflucan	Fungal infections/ringworm	5 mg/lb	Every other day
Griseofulvin	Fulvicin	Ringworm	7 mg/lb microsized, 3.5 mg/lb ultramicrosized	Twice a day
Imidacloprid	Advantage	Fleas	5 mg/lb	Once a month. If using dog formulation, one drop (0.05ml) per pound.
Itraconazole	Sporonox	Fungal infections/ringworm	5 mg/lb	Once a day
Ivermectin	Ivomec	Roundworms, mites	0.2-0.4 mg/lb	Treat once. Repeat in 2-3 weeks. 0.05 ml of 0.27% solution per pound or 0.1 ml of 1% solution PER ADULT CAT
L-Lysine		Herpesvirus infections	250 mg per cat	Twice a day
Medroxyprogesterone acetate	Depo-Provera, Ovaban	Contraception	2.5 to 5 mg PER CAT	once every 7-14 days
Methylprednisolone acetate	Depo-Medrol	Anti-inflammatory	2.3 mg/lb SC	every 3-8 weeks, depending on condition
Metoclopramide	Reglan	Anti-emetic, milk production	0.1-0.2 mg/lb	every eight hours
Metronidazole	Flagyl	Giardia, IBD	5-20 mg/lb	Once to twice a day, given with food
Moxidectin	Advantage Multi/Advocate	External/internal parasites	0.5 mg/lb	Topically, once a month
Orbifloxacin	Orbax	Bacterial infections	1-3.5 mg/lb	Once a day
Oxytocin	Pitocin	Dystocia	1-2 IU per cat	Given once
Penicillin	Penicillin G Procaine, Pen BP-48, Crystiben, Dual-Pen	Bacterial infections	10,000-20,000 IU	Every 4-48 hours, check label. Newborns: 0.05 ml at birth of 150,000 IU/ml Pen BP
Ponazuril	Bayer Marquis Paste	Coccidiosis	10 mg/lb	Given once, repeat in one week
Praziquantel	Droncit	Tapeworms	0.05 ml/lb inj., 2.5 mg/lb oral	Treat once
Propulsid	Cisapride	megacolon, constipation	0.5 mg/lb	twice a day, give 15 mins. before feeding
Pyrantel Pamoate	Nemex-2, Strongid T, Pyratabs, D-Worm, Evict	Roundworms	2.5 mg/lb	Treat once. Repeat in two weeks

Ronidazole	Tricho Plus	tritrichomonas intestinal parasites	15-25 mg/lb	once a day for two weeks
Selamectin	Revolution	Fleas, mites, roundworms	3 mg/lb	Once a month. If using a dog formulation, one drop (0.05ml) per two pounds. CAUTION: this practice may increase the incidence of adverse reactions!
Sulfadimethoxine	Albon	Coccidiosis	12.5 mg/lb, double first dose	Once a day
Terbinafine	Lamisil	Fungal infections/ringworm	15-20 mg/lb	Once a day
Tetracycline	Albaplex, Panamycin	Bacterial infections	10 mg/lb	Two to three times a day. MUST be given with water or as a suspension.
Tinidazole	Tindamax	anti-protozoal	7 mg/lb	Once a day
Toltrazuril	Baycox	Coccidiosis	0.2 ml of 5% solution/lb	Dose once, repeat in one week
Triamcinolone acetonide	Vetalog	Inflammation	0.01-0.1 mg/lb	Once a day, use lowest effective dose
Trimethoprim/Sulfadiazine and Trimethoprim/Sulfamethoxazole	Tribrissen, Septra, Bactrim	Bacterial infections	15 mg/lb	Once a day
Tylosin	Tylan 50	Bacterial infection	10-20 mg/lb	Twice a day