Published dose range
The published veterinary reference range for dimenhydrinate in dogs is 4-8 mg per kg of body weight, given every 8h.
Source: Veterinary Partner (VIN) →Published range by weight
| Weight | Dimenhydrinate (published range) |
|---|---|
| 5 lb dog | 9.1-18 mg |
| 10 lb dog | 18-36 mg |
| 20 lb dog | 36-73 mg |
| 30 lb dog | 54-109 mg |
| 40 lb dog | 73-145 mg |
| 50 lb dog | 91-181 mg |
| 60 lb dog | 109-218 mg |
| 80 lb dog | 145-290 mg |
| 100 lb dog | 181-363 mg |
Computed from the published 4-8 mg/kg reference range, every 8h. Product strengths rarely split evenly, so round DOWN to the nearest practical dose and confirm with your vet.
Give 30-60 min before travel.
Skip it or ask a vet first if
glaucomaurinary obstruction
If you think you overdosed
Call the Pet Poison Helpline: 855-764-7661 or ASPCA Poison Control: 888-426-4435. Both are staffed 24/7 by veterinary toxicologists.