Give 1mg of Benadryl per pound such that if your dog weighs 30 pounds, you should give it 30 mg of Benadryl. Talk your veterinarian - while antihistamines are generally safe, there are the potential for side effects particularly if your dog has chronic organ failure (renal failure, liver failure, congestive heart failure, etc.).
1 Encephalitis is inflammation of the brain.  Meningitis is inflammation of the membranes (called meninges) that surround the brain and spinal cord.
What is the medical term meaning inflammation of the meninges brain and spinal cord? The inflammation of the meninges, brain and the spinal cord is meningoencephalomyelitis. Mening/o-meninges encephal/o-brain; Myel/o-spinal cord/ bone marrow; itis-inflammt â¦ ion. Meningitis is inflammation of the only the meninges, which are the covering of the brain and spinal cord.