Related Experiment Videos

Vancomycin-associated leukocytoclastic vasculitis

Makhawadee Pongruangporn1, David J Ritchie, Dongsi Lu

  • 1Division of Infectious Diseases, Washington University School of Medicine, St. Louis, MO 63110, USA.

Case Reports in Infectious Diseases
|May 9, 2012
PubMed

Insights

Vancomycin can cause leukocytoclastic vasculitis, a rare skin reaction. This case highlights the importance of considering drug-induced vasculitis in patients presenting with purpura after vancomycin treatment.

Area of Science:

  • Pharmacology
  • Dermatology
  • Pathology

Background:

  • Vancomycin is a critical antibiotic for treating serious infections, particularly those caused by methicillin-resistant Staphylococcus aureus (MRSA).
  • Adverse reactions to vancomycin are monitored, but specific cutaneous manifestations like leukocytoclastic vasculitis are infrequently reported.
  • Understanding the full spectrum of vancomycin's side effects is crucial for patient safety and effective treatment.

Observation:

  • A patient developed itching and palpable purpura on their lower extremities after a six-day course of intravenous vancomycin.
  • The clinical presentation suggested a potential drug-induced hypersensitivity reaction.
  • Diagnostic evaluation was initiated to determine the etiology of the cutaneous lesions.

Findings:

  • Skin biopsy confirmed the presence of leukocytoclastic vasculitis.
  • This histological finding directly linked the patient's symptoms to a specific inflammatory process in the blood vessels.
  • The temporal association with vancomycin administration strongly implicates the antibiotic as the causative agent.

Implications:

  • This case adds to the limited literature on vancomycin-induced leukocytoclastic vasculitis.
  • Clinicians should maintain a high index of suspicion for drug-induced vasculitis in patients with similar presentations.
  • Early recognition and discontinuation of the offending agent are essential for managing this adverse drug reaction.

Related Concept Videos

Cytotoxic Edema: Pathophysiology01:21

Cytotoxic Edema: Pathophysiology

Cytotoxic edema is a form of cerebral edema characterized by intracellular swelling of neurons, astrocytes, and other glial cells. It develops when the mechanisms responsible for maintaining ionic gradients across the cell membrane become impaired. Under normal physiological conditions, the sodium–potassium ATPase actively transports sodium ions out of the cell and potassium ions into the cell, preserving osmotic balance and enabling electrical signaling. This pump requires a continuous supply...
Hypersensitivity Reactions: Cytolytic Reactions01:01

Hypersensitivity Reactions: Cytolytic Reactions

Type II hypersensitivity involves IgG and IgM antibodies targeting cell surface antigens, leading to cell destruction. This can occur through complement activation, antibody-dependent cell-mediated cytotoxicity (ADCC), or acting as opsonins for phagocytosis. When excessive, these reactions cause significant tissue damage.Drug-induced hemolytic anemia is a common example, where drugs like penicillin or cephalosporins bind to red blood cells, forming drug-protein complexes. These complexes...
Disorders of Leukocytes01:27

Disorders of Leukocytes

Leukocyte disorders can lead to either leukopenia, characterized by an abnormally low leukocyte count, or leukocytosis, marked by a very high leukocyte number.
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune system...
Cytomegalovirus Disease01:27

Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...