Because Parkinsonâs disease symptoms are due to a deficiency of the brain chemical dopamine, the main drug treatments help increase dopamine levels in the brain. Levadopa, usually combined with carbidopa, is the standard drug treatment.
Here are all the possible meanings and translations of the word poison-ivy. Wiktionary(0.00 / 0 votes)Rate this definition: poison-ivy(Noun) A woody vine plant in the family Anacardiaceae well-known for its ability to produce urushiol, a skin irritant that causes an itching rash for most people.
The name 'poison ivy' is applied to a weed that isn't poisonous to wildlife, but is to humans. For it contains urushiol oil, which is a skin irritant to humans. The oil may be â¦ inhaled when poison ivy is burned. Or it may be absorbed when an individual touches poison ivy, or something that has touched the plant. In the case of inhalation, or of an outbreak on the face, poison ivy contact is considered a medical emergency.