Exam #2 Drugs Flashcards
What is the purpose of pancrelipase?
to replace pancreatic enzymes in individuals with chronic pancreatitis
When should you give pancrelipase?
with every meal and snack a patient consumes
What is the mechanism of action for the drug Interferon 1a/b?
It inhibits pro-inflammatory White blood cells from crossing the Blood Brain Barrier
How does Interferon 1a/b affect those with MS?
reduces relapse by 30%
What patient education would you provide for an individual newly prescribed the drug Interferon 1a/b?
You will have to have IM injections of the drug weekly
which adverse effects would you expect to see in someone taking Interferon 1a/b?
sore throat, cough, fever (flu-like), liver toxicity, bone marrow suppression, depression, and various drug interactions
What is the mechanism of action for the drug Glatiramer Acetate?
It increases the production of Anti-inflammatory T-cells which cross the blood-brain barrier and suppresses the anti-inflammatory responses
What patient education would you provide for an individual newly prescribed the drug Glatiramer Acetate?
You will have to have IM injections of the drug weekly
which adverse effects would you expect to see in someone taking Glatiramer acetate?
injection site reactions such as redness and swelling and post-injection rxns. such as flushing, palpitations, rash, and cheat pain
What adverse effect of Glatiramer acetate would require immediate intervention by the nurse?
laryngeal constriction
Which oral MS medication is used for relaxing-remitting multiple sclerosis?
Fingolimod
What is the mechanism of action of the oral drug Fingolimod?
it retains lymphocytes in the lymph nodes, preventing them from crossing the blood-brain barrier which decreases inflammation
What is thought to happen in the body when a patient is given oral Dimethyl Fumarate?
thought to inhibit immune cells and anti-oxidant properties
How and why is natalizumab given?
as an IV infusion monotherapy for Multiple sclerosis and Crohn’s disease
What is the mechanism of action for the drug Natalizumab?
prevents circulating T-cells from leaving the vasculature and crossing the blood-brain barrier
What adverse effect of Natalizumab causes it to be on the “TOUCH” protocol?
Progressive Multifocal Leukoencephalopathy
What is Progressive Multifocal Leukoencephalopathy?
a neurological disorder characterized by destruction of cells that produce myelin, an oily substance that helps protect nerve cells in the brain and spinal cord, also known as central nervous system (CNS) white matter.
What other adverse effects of Natalizumab can you expect?
H/A, fatigue, hepatotoxicity, and hypersensitivity rxns.
What is Rizuole used to treat?
ALS (Amyotrophic lateral sclerosis)
How does Rizuole treat ALS?
It is a glutamate inhibitor that blocks receptor sites which results in a decreased amount of glutamate and a reduction of motor neuron damage
Can Rizuole lengthen the life expectancy of those with ALS (3 years)?
yes
What adverse effects can you expect with Rizuole?
dizziness, GI upset, and hepatotoxicty
What is the combo of levodopa and carbidopa used for and why is it effective?
Used for Parkinson’s Disease since levodopa converts into dopamine in the body and the carbidopa prevents destruction of this levodopa
How effective is levodopa/carbidopa on Parkinson’s Disease?
it is the most effective but takes a few months to work and the drug gradually wears off after a while
What is the on/off phenomenon?
when there is a abrupt loss of affect on PD symptoms with the drug Levodopa/Carbidopa
What decreases the effectiveness of levodopa/carbidopa?
Vitamin B6, antipsychotics, and protein (food)
What increases the effectiveness of levodopa/carbidopa?
Carbidopa, Anticholinergics (atropine, and MAOI’s (can cause toxicity)
What are the adverse effects of levodopa/carbidopa that you should educate your patient on?
Nausea and vomiting, dyskinesias, psychosis, dysrhythmias, postural hypotension, dark sweat + urine, can reactivate old malignant melanomas
What is Duopa?
Levodopa/carbidopa that is given in a J-Tube
What should you educate your patient on who is receiving Duopa in their J-Tube?
do not take anti-hypertensives, MAOIs, protein, iron, vitamins, antipsychotics, metoclopramide, or isoniazid while taking this drug
What adverse effects can you expect with Duopa?
sleep attacks, unusual urges, dyskinesias, depression, hallucinations, orthostatic HOTN
How does pramipexole work for those with Parkinson’s Disease?
It acts as a dopamine receptor agonist to increase the amount of dopamine in the body
Why would an individual receive pramipexole?
if they are on levodopa, got diagnosed with PD early in life, or if they have restless leg syndrome