Pharm Block 2 Adverse Rxns/Precautions Flashcards
Prednisone
CNS: headache, insomnia, vertigo, depression, anxiety, euphoria, personality changes, psychosis
GI: NVD, anorexia, gastritis
Cataracts
Opportunistic infections
CUSHING’S SYNDROME
HIGH DOSES AND LONG-TERM THERAPY CAN SUPPRESS HPA AXIS, AVOID ABRUPT DC OF PROLONGED THERAPY
Preexisting bacterial, viral, fungal infections
Chronic corticosteroid use should have occasional testing for cataracts
Cyclosporine
Nephrotoxicity; CNIs induce interstitial fibrosis and vasoconstriction of afferent arterioles leading to tubular necrosis Hypertension Hirsutism Gingival hyperplasia CNS: tremor Opthalamic application may cause burning Hyperglycemia
Therapeutic drug monitoring=maintain 150-200 ng/mL
Hepatic disease, renal disease, hypertension
Tacrolimus
Nephrotoxicity; CNIs induce interstitial fibrosis and vasoconstriction of afferent arterioles leading to tubular necrosis Hypertension CNS: tremor, insomnia, headaches GI: NVD, elevated LFTs Hyperglycemia
Diabetes
Therapeutic drug monitoring=5-20 ng/L
Hepatic disease, renal disease, hypertension
Sirolimus
PULM: dyspnea, pharyngitis
HEME: myelosuppression
GI: NVD, hepatotoxicity, elevated LFTs
MET: hyperlipidemia, hypertriglyceridemia, electrolyte imbalances, edema
Nephrotoxicity; may potentiate CNI-induced nephrotoxicity
Therapeutic drug monitoring= 12-24 ng/mL
Azathioprine
HEM: myelosuppression, potentially severe leukopenia
GI: NVD, abdominal pain, elevated LFTs
Rashes
Thiopurine methyltransferase deficiency -> enhanced toxicity
Tx with allopurinol -> enhanced toxicity
Pregnancy risk category D
Mycophenolate mofetil
GI: NVD, abdominal pain CNS: headache CV: hypertension HEM: myelosuppression DERM: acne
Chronic renal insufficiency
Pregnancy Risk Category D
Muromonab-CD3
Trigger cytokine release syndrome: fever, chills, headache, tremor, dyspnea, chest pain, NVD
Syndrome subsides after first day and can be minimized by pretreatment with glucocorticoids, acetaminophen, diphenhydramine
Seizures
Rare but potentially fatal anaphylaxis
Allergy to mouse proteins
CV: heart failure, hypertension, hypotension
Epilepsy
Basiliximab
Incidence and severity much lower than muromonab-CD3 GI: NVD, pain MET: electrolyte imbalances CV: hypertension, arrhythmias Rare, potentially fatal anaphylaxis
Pediatric patients
Adalimumab
Mild injection site reactions Headache Rash CV: hypertension MET: hyperlipidemia
Chronic or recurrent infection; TB
Travel to regions where mycoses or TB are endemic
Carbachol
Rarely iritis or corneal clouding
Acute cardiac failure; bradycardia Asthma Hyperthyroidism Peptic ulcer Urinary tract obstruction Parkinsonism
Methacholine
Headache
Throat irritation
Lightheadedness
Itching
Acute cardiac failure; bradycardia Asthma Hyperthyroidism Peptic ulcer Urinary tract obstruction
Bethanechol
Rare, but reflect cholinergic stimulation
Acute cardiac failure; bradycardia Asthma Hyperthyroidism Peptic ulcer Urinary tract obstruction Parkinsonism
Pilocarpine
Blurred vision
Exocrine glands; hypersalivation, diaphoresis
Flushing
Headache
ASTHMA IRITIS POSTERIOR SYNECHIAE (ADHESION BETWEEN IRIS AND LENS) RETINAL DETACHMENT Heart disease Parkinsonism
Nicotine
CNS: dizziness, insomnia, irritability
CV: increase BP and positive inotropic and chronotropic actions
GI: constipation, diarrhea
Angina, arrhythmia, MI
Caution in patients with hypertension, pheochromocytoma, insulin-dependent diabetes, vasospastic diseases, thyroid disease resulting in thyrotoxicosis
Pregnancy Risk Category D
Varenicline
GI-related: mild-to-moderate, transient, nausea, constipation, flatulence
CNS: insomnia, vivid dreams
Renal insufficiency; do not exceed 0.5 mg BID if CrCL
Physostigmine
CNS: restlessness, seizures
CV: irregular pulse, palpitations, bradycardia
GI: hypersalivation, cramps, NVD
UG: urinary urgency
Lung: bronchospasm, dyspnea, increased secretions
Eye: miosis, lacrimation, blurred vision
ASTHMA GI OBSTRUCTION URINARY TRACT OBSTRUCTION Peptic ulcer Heart disease Hyperthyroidism
Neostigmine
CV: irregular pulse, palpitations, bradycardia
GI: hypersalivation, cramps, NVD
UG: urinary urgency
Lung: bronchospasm, dyspnea, increased secretions
Eye: miosis, lacrimation, blurred vision
ASTHMA GI OBSTRUCTION URINARY TRACT OBSTRUCTION Peptic ulcer Heart disease Hyperthyroidism
Edrophonium
Dysphonia, dysarthia, dysphagia, convulsions
CV: irregular pulse, palpitations, bradycardia
GI: hypersalivation, cramps, NVD
UG: urinary urgency
Lung: bronchospasm, dyspnea, increased secretions
Eye: miosis, lacrimation, blurred vision
GI OBSTRUCTION
URINARY TRACT OBSTRUCTION
Asthma
Heart disease
Echothiophate
Eye: stinging, blurred vision, lacrimation, increased incidence of cataracts with prolonged therapy
Uveitis
Pralidoxime
CNS: dizziness, excitement, agitation, headache CV: tachycardia, hypertension GI: NV Transient elevations in ALT and AST Eye: diplopia, blurred vision
Renal insufficiency
AChE inhibitor TX for myasthenia gravis
Atropine
CNS: dizziness, confusion, amnesia, hallucinations, delirium, insomnia
CV: cardiac conduction abnormalities, fibrillation, PVCs, SVT, QT prolongation
ACUTE MI
BLADDER OBSTRUCTION, URINARY TRACT OBSTRUCTION, PROSTATIC HYPERTROPHY
GLAUCOMA
GI OBSTRUCTION, ILEUS
HYPERTHYROIDISM
Chronic pulmonary disease; thickens mucous
Conditions that elevate core body temp. (strenuous exercise, fever, dehydration)
Oxybutynin
Antiholinergic and antispasmolytic activity
CNS: dizziness, confusion, headache, drowsiness
CV: palpitations, tachycardia
GI: constipation, diarrhea
GI OBSTRUCTION, ILEUS
TOXIC MEGACOLON, ULCERATIVE COLITIS
URINARY RETENTION OR URINARY TRACT OBSTRUCTION
UNCONTROLLED NARROW-ANGLE GLAUCOMA
Ipratropium
Xerostomia
Cough, hoarseness, throat irritation, nasal dryness
Glaucoma
Urinary retention, bladder obstruction
Mecamylamine
CNS: choreiform movements, mental changes, paresthesias, seizures, dizziness CV: postural hypotension, tachycardia GI: xerostomia, constipation, ileus UG: urinary retention, impotence Eye: blurred vision, mydriasis
Cerebral or coronary atherosclerosis or other conditions of deficient blood flow
Recent MI
Glaucoma
Renal insufficiency
Epinephrine
CNS: anxiety, nervousness, insomnia, aggressive behavior
CV: arrhythmias, PVCs, tachycardia
Narrow-angle glaucoma Intraarterial administration Nonanaphylactic shock Labor, can cause fetal anoxia or decreased HR due to increased uterine contractility or decreased uterine blood flow Extravasation Hypertension Hyperthyroidism Diabetes
Phenylephrine
Few reactions with intranasal or opthalmic routes
Parenteral dosing can produce angina, hypertension, anxiety, insomnia
CV diseases; MI, artery disease, angina, atrial or ventricular flutter or fibrillation, arrhythmias, hypertension, tachycardia Narrow-angle glaucoma Labor Extravasation Hyperthyroidism
Clonidine
CNS: sedation, lethargy, dizziness
CV: orthostatic hypotension, palpitations, tachycardia, bradycardia
GI: xerostomia, NV, constipation
Effects generally will subside with continued therapy
Abrupt DC -> withdrawal syndrome consisting of rebound increase in catecholamines -> severe hypertension, tachycardia, agitation (should be tapered off)
Breast-feeding: 2x concentrated in breast milk
CV disease: MI or severe heart failure, hypotensive effects decrease perfusion and worsen ischemia in these conditions
Isoproterenol
CNS: nervousness, headache
CV: palpitations, tachycardia, angina
Flushed skin
Arrhythmias
Heart block caused by digitalis compounds
Coronary heart disease, coronary insufficiency
Diabetes
Hyperthyroidism