endocrine drugs Flashcards
Excessive doses of levothyroxine can produce S&S of hyperthyrodism:
tachycardia, chest pain, tremors, nervousness, insomnia, hyperthermia, heat intolerance and sweating.
Propylthiouracil (PTU)
used for Graves disease; inhibits thyroid hormone synthesis.
time of administration of corticosteroids
before 9am to help minimize adrenal insufficiency and mimic the burst of glucocorticoids released naturally by the adrenal glands each morning
Repaglinide
a rapid-acting oral hypoglycemic agent that stimulates pancreatic insulin secretin that should be taken before meals and held if client does not eat. side efect is hypoglycemia
metformin
an oral hypoglycemic given in compination with repaglinide; decreases hepatic glucose production; common side effect is diarrhea; if muscle pain occurs it should be reported.
infliximab (Remicade)
used in Crohn’s disease; an immunomodulator that reduces degree of inflammation in the colon, thereby reducing diarrhea and ab pain.
Cimetidine
Histamine2-receptor antagonist; can have CNS side effects in older adults, ie confusion; less common are headache, dizziness, drowsiness and hallucinations
Sucralfate
Gastric protectant used for gastric ulcer; should be scheduled for administration 1 hour before meals and at bedtime so that it can form protective coating over the ulcer before food intake stimulates gastric acid production and mechanical irritation.
Misoprostol (Cytotec)
Gastric prtectant given to prevent gastric mucosal injury and epigastric pain caused by chronic NSAID use.
Histamine2- receptor antagonists
Suppress secretion of gastric acid, alleviate symptoms of heartburn and assist in preventing complications of peptic ulcer disease; also supress gastric acid secretions and are used in active ulcer disease, erosive esophagitis and pathological hypersecretory conditions.
Examples of Histamine2-receptro antagonists drugs
Nizatidine (Axid), Rranitidine (Zantac), famotidine (Pepcid), cimetidine (Tagamet). All end in “tidine”
Guaifenesin (Mucinex)
Used to treat cough; an expectorant (brings up flem) and should be taken with a full glass of water to decrease the iscosity of secreations; extra doeses should not be taken; client should contace MD if cough lasts longer than 1 week or is acompanied by fever, rash, sore throut or persistent headache; fluids are needed to decrease viscosisty of secrions; does not need to be taken with food.
Terbutaline
Bronchodilator; contraindicted in clients with hypersenstitivy to sympathomimetics; should be used with caution in pt with impaired cardiac function, DM, hypertensin, hyperthyroidims, or Hx of seizures; can increase blood glucose levels.
Zafirlukast (Accolate)
A leukotriene receptor antagonist used in prophylaxis and long-term Tx of bronchial asthma; used with caution in clients with impaired hepatic function; liver function laboratory tests should be performed to obtain a baseline and levels should be montored during adminstration.