Adverse Effects Flashcards
Adverse Effects
Drug Name
Slows A-V conduction
Non-DHP: Diltiazem, Verapamil
Arrhythmias; Hypotension
Milrinone
Hypotension (α1 blockade)
Bradycardia (due to exaggerated β1 block); bronchoconstriction (due to β2-block)
May worsen heart failure or cause hypotension during 1st 2-4 weeks – titrate dosage up
Carvedilol
Bradycardia (due to exaggerated β1 block); bronchoconstriction (due to β2-block)
May worsen heart failure or cause hypotension during 1st 2-4 weeks – titrate dosage up
Metoprolol
cardiac arrhythmias, conduction disturbances and CNS (confusion, visual disturbances)
Digoxin
Cough & angioedema
due to bradykinin breakdown
ACE Inhibitors:
Captopril, Enalapril, Lisinopril
Hyperkalemia
Antiandrogenic → Painful gynecomastia
Menstrual irregularity & ↓libido
Spironolactone
Ototoxicity (manifest as: tinnitus, hearing impairment, deafness, vertigo)
Hypokalemia; hypomagnesemia
Furosemide
Tachycardia, arrhythmia, angina (all due to β receptor agonism)
Hypertension (due to α1 receptor agonism)
Development of tolerance
Dobutamine
A-V block; Acute heart failure; Sedation (CNS side effect); Bradycardia; Bronchospasm (less with cardio-selective)
Metoprolol, atenolol (cardio-selective)
Propranolol
– Muscle aches, myopathy, muscle inflammation, rhabdomyolysis –> check creatine kinase level to monitor muscle breakdown – Peripheral neuropathies – Hepatotoxicity (↑Transaminase) – get baseline transaminase level before starting medication – GI upset – Rash & itching
Statins
– Myopathy/rhabdomyolysis; Pain & headache
– Cholelithiasis (gallstones) due to ↑cholesterol excretion into bile
– Elevated liver function tests
– ↓WBC → Disposition to infections (influenza)
Fibrates
(1) Suppression of the hypothalamic-pituitary-adrenal axis
(2) Growth suppression
(3) Osteoporosis
(4) Increased intraocular pressure and cataracts
Prednisone (Oral)
(a) Cough
(b) Nasal and throat discomfort
(c) Rarely bronchospasm and decreased lung function
Zanamivir (inhalation)
(a) Nausea and vomiting (relieved if taken with food)
(b) Headache
(c) Neuropsychiatric events including suicide (children &
adolescents)
Oseltamivir (oral)
• Mostly GIT disturbances (nausea,
constipation, & flatulence)
• High doses: ↓Absorption of
fat soluble vitamins
Bile acid sequestrants (resins)
Cholestyramine, Colestipol, and Colesevelam
- “Red-neck” or “red-man” syndrome (caused by release of histamine from
cutaneous mast cells) - Ototoxicity
- Nephrotoxicity
Vancomycin
- Dry nose and mouth
- Pharyngeal irritation
- Urinary retention
- Increased intraocular pressure (with inadvertent instillation in the eye)
Ipratropium (intranasal)
a. CNS excitation (Insomnia, excitability, headache, nervousness)
b. Cardiovascular stimulation (palpitations, tachycardia, hypertension)
c. GI (nausea, vomiting)
d. Urinary retention
Pseudoephedrine (oral)
a. Crystalluria
b. Acute hemolytic anemia in G6PD deficiency
c. Stevens-
Johnson Syndrome
d. Kernicterus in newborns
Trimethoprim-sulfamethoxazole
a. Dryness and irritation or burning of the nasal mucosa
b. Sore throat
c. Epistaxis
d. Headache
Fluticasone (intranasal)
a. Gastrointestinal
i. Distress, nausea and vomiting
ii. Pseudomembranous colitis
b. Photosensitivity
c. Permanent brown discoloration of the teeth
Tetracyclines - Doxycycline
a. Gastrointestinal*
i. Nausea, vomiting, cramps, and diarrhea
b. QT prolongation*
c. Cholestatic jaundice*
Azithromycin, clarithromycin and erythromycin (Macrolides)
a. GI: nausea, vomiting, abdominal discomfort
b. CNS: headache, dizziness
c. Musculoskeletal: increased risk of tendonitis and tendon rupture usually involving the Achilles tendon
Fluoroquinolone- Levofloxacin
a. Hypersensitivity reactions
b. Local reactions at the site of administration
c. Nephropathy
Ceftriaxone
a. Hypersensitivity reactions
b. Phlebitis (parenteral); GI upset (oral)
c. Interstitial nephritis
d. Neurotoxicity
Penicillin G and V
a. Hypersensitivity reactions
b. Phlebitis (parenteral); GI upset (oral)
c. Neurotoxicity
Piperacillin + tazobactam
Amoxicillin + clavulanate
a. Ototoxicity: Vestibular and auditory
b. Nephrotoxicity
c. Neuromuscular blockade
Aminoglycosides - Gentamicin
Angina
Anxiety, headache
N/V
Epinephrine
Anxiety, tremor, restlessness,
tachycardia, and hypokalemia
Albuterol (Inhaled & oral)
Arrhythmia, asystole
Chest pain, MI
Vasopressin