Dosage Directory · 83 Medications
Explore medication references for your pet,
by weight.
A free educational directory of dog and cat medications. Pages pair weight-based arithmetic with product checks, safety notes, named references, and clear limits on what a calculator can decide.
No medications match that search. Press Enter to search the dog directory.
Getting Started
How to use this site
- Step 1
Search for a medication, or browse the dog or cat directory.
- Step 2
Open the page for your pet's species (dog or cat).
- Step 3
Enter your pet's current, accurate weight in the calculator.
- Step 4
Read the safety notes, side effects, and cautions on the page.
- Step 5
Confirm with your veterinarian before giving any medication.
Calculators give an educational estimate, not a prescription. New to giving pets medication? Our free guides explain how dosing works, which human drugs are dangerous, and what to do in an emergency.
Most Consulted · 01
Browse the directory
By species
By condition
- Acid reflux (GERD)
- Acute diarrhea
- Acute fluid overload
- Acute musculoskeletal pain
- Acute post-operative pain (single injection)
- Add-on seizure therapy
- Addison's disease
- Adrenal-dependent hyperadrenocorticism
By drug class
- ACE inhibitor (angiotensin-converting enzyme inhibitor)
- Adrenal steroidogenesis inhibitor
- Antibiotic (Cephalosporin)
- Antibiotic (Penicillin)
- Antibiotic (Tetracycline)
- Antibiotic / Antiprotozoal
- Anticonvulsant
- Anticonvulsant / Analgesic
Most Consulted · 02
This Week
Popular dosage calculators
- Benadryl Diphenhydramine · for dogs Antihistamine
- Simparica Trio Sarolaner / Moxidectin / Pyrantel · for dogs Antiparasitic combination
- Baytril Enrofloxacin · for dogs Fluoroquinolone antibiotic
- Ivomec Ivermectin · for dogs Antiparasitic
- Valium Diazepam · for dogs Benzodiazepine
- Imodium Loperamide · for dogs Antidiarrheal opioid agonist
- Prozac Fluoxetine · for dogs Selective serotonin reuptake inhibitor (SSRI)
- Amoxil Amoxicillin · for dogs Antibiotic (Penicillin)
- Neurontin Gabapentin · for cats Anticonvulsant / Analgesic
- Pepcid Famotidine · for cats H2 receptor antagonist
- Keflex Cephalexin · for cats First-Generation Cephalosporin Antibiotic
- Flagyl Metronidazole · for cats Nitroimidazole Antibiotic / Antiprotozoal
For Dogs · 03
Medications for dogs (50)
Amoxil
Amoxicillin
bacterial infections · skin infections · urinary tract infections
Apoquel
Oclacitinib
atopic dermatitis · allergic itching · skin allergies
Aspirin
Acetylsalicylic Acid
mild pain relief · inflammation · fever reduction
Atarax
Hydroxyzine
allergies · itching · anxiety
Baytril
Enrofloxacin
Urinary tract infections · Skin infections · Respiratory infections
Benadryl
Diphenhydramine
allergies · itching · motion sickness
Bravecto
Fluralaner
Flea prevention and treatment · Tick prevention and treatment · Demodectic mange
Carafate
Sucralfate
Gastric ulcers · Duodenal ulcers · Esophagitis
Cerenia
Maropitant
vomiting · nausea · motion sickness
For Cats · 04
Medications for cats (33)
Amoxil
Amoxicillin
bacterial infections · skin infections · urinary tract infections
Atarax
Hydroxyzine
Allergic dermatitis and itching · Atopic dermatitis · Urticaria (hives)
Bayer Aspirin
Aspirin (Acetylsalicylic Acid)
Blood clot prevention (thromboembolism prophylaxis) · Aortic thromboembolism (saddle thrombus) prevention in cats with heart disease · Anti-inflammatory use (very limited, with extreme caution)
Baytril
Enrofloxacin
bacterial infections · urinary tract infections · skin infections
Benadryl
Diphenhydramine
allergies · itching · motion sickness
Carafate
Sucralfate
gastric ulcers · esophagitis · post-doxycycline esophageal damage
Cerenia
Maropitant
vomiting · nausea · motion sickness
Chlor-Trimeton
Chlorpheniramine
allergies · itching · allergic skin disease
Claritin
Loratadine
Allergic dermatitis · Environmental allergies (atopy) · Itching and scratching
Sourcing · 05
Medication pages identify the references used to prepare them and explain what their weight-based arithmetic can—and cannot—answer. No result replaces a veterinarian's diagnosis or prescription.
This information is for educational purposes only. Always consult your veterinarian before giving medication to your pet. Do not use this calculator for emergencies, overdoses, pregnancy, very young animals, very old animals, pets with liver/kidney disease, or pets taking multiple medications.
Each medication page lists the references recorded for its data. The calculator math and editorial presentation are maintained by PetDosageChart; a page is independently DVM-reviewed only when a named reviewer byline appears. See our methodology and limitations.