Sudafed For Congested Dogs. If necessary, wipe your dog’s eyes and nose with a warm, damp cloth to keep him comfortable. Decongestants, like sudafed (pseudoephedrine ), meant for humans can be toxic, however, says the pet poison helpline.
It soothes congestion and improves circulation. The calming effects of lavender oil are achieved by applying it to a warm, dry place. Encourage your dog to rest, drink, and eat so his immune system has the resources to fight off the infection.