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Pet Medication Dosage Calculator

⚠️ ⚠️ Important Medical Disclaimer

This calculator provides EDUCATIONAL information only. ALWAYS consult your veterinarian before giving ANY medication to your pet. Dosages vary by condition, medication formulation, brand, and individual pet health factors.

This tool does NOT replace veterinary medical advice. Improper medication use can be fatal. When in doubt, call your vet or Pet Poison Helpline: 855-764-7661

Pet Species

Pet Weight

Select Medication (Over-The-Counter Only)

Educational Dosage Reference

Typical Dosage Range
45 - 90 mg
per dose
Typical Frequency
Every 8-12 hours
Maximum Duration
Maximum 3 days without vet consultation
Common Uses
Allergies (itching, hives)Mild anxietyMotion sickness

🚫 Do NOT Use If Your Pet Has

⚠️ Glaucoma, enlarged prostate, urinary retention, severe heart disease, angle-closure glaucoma, pregnant/nursing. Can cause paradoxical excitement in some cats. May worsen asthma in susceptible pets.

🚨 Call Your Vet IMMEDIATELY If You See

These signs indicate a medical emergency or medication reaction:

  • • Difficulty breathing, pale/blue gums, collapse
  • • Severe vomiting, bloody diarrhea, or black tar-like stools
  • • Extreme lethargy, unresponsiveness, seizures
  • • Swelling of face/throat, hives all over body
  • • Tremors, incoordination, dilated pupils, rapid heart rate

☠️ NEVER Give These Medications

The following human medications are TOXIC and can be FATAL:

  • • ❌ Ibuprofen (Advil, Motrin) - causes kidney failure & GI ulcers
  • • ❌ Naproxen (Aleve) - more toxic than ibuprofen
  • • ❌ Acetaminophen (Tylenol) - liver damage (cats even more sensitive)
  • • ❌ Any medication with Xylitol (sugar-free) - causes liver failure

💡 Medication Safety Best Practices

  • • Always check medication concentration/strength - liquid vs tablet dosing differs dramatically
  • • Keep all medications in original containers with labels. Never mix pills together.
  • • Give with food to reduce stomach upset (unless directed otherwise by vet)
  • • Watch for side effects for 4-6 hours after first dose. Have vet phone number ready.
  • • If you miss a dose, DO NOT double the next dose. Give next scheduled dose only.