How much Benadryl can I give my 40 pound dog?
How much Benadryl can I give my 40 pound dog? When administering Benadryl to dogs, the general recommendation is to give 2 to 4 milligrams per kilogram of body weight, or 0.9 to 1.8 milligrams per pound of your dog's body weight 1-2 times per day. The effects of the medication typically last for around 6-8 hours.
How long does Benadryl drowsiness last?
Yes, Benadryl is an antihistamine that causes drowsiness in most people. Some people use Benadryl for this side effect if they have trouble sleeping (insomnia), but this is not recommended long-term. The drowsy or sedation effect typically lasts about 8 hours, but may persist into the next day if taken at night.
How long does 25mg Benadryl last in dogs?
The effects of the medication typically last for around 6-8 hours. Liquid Benadryl is typically recommended for dogs weighing less than 10 pounds, as this can make it easier to achieve an accurate and appropriate dose.
What happens if I give my dog too much Benadryl?
In living animals, hyperactivity, depression, hypersalivation, tachypnea, and tachycardia are the most common signs reported with ethanolamine-based antihistamines, usually occurring within 1 h of exposure (10). With overdose, dogs may also exhibit mydriasis, dry mucous membranes, disorientation, and fever (10).
How long does it take for Benadryl to work?
It usually takes Benadryl about 15 to 30 minutes to start working. The effects of Benadryl tend to last for 4 to 6 hours, but the medication can stick around in the body for much longer. Since Benadryl can make you sleepy, it can be best to take it in the evening.