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.
Toxicodendron radicans, commonly known as eastern poison ivy or poison ivy, is a poisonous Asian and North American flowering plant that is well known for causing an itching, irritating, allergic and sometimes painful rash in most people who touch it, caused by urushiol, a clear liquid compound in the plant's sap.