Immediate hypersensitivity reaction to levetiracetam: a case report study

Area of Science:

• Pharmacology
• Clinical Medicine
• Immunology

Background:

• Anticonvulsant medications are frequently linked to delayed hypersensitivity reactions like DRESS, SJS, and TEN.
• Aromatic anticonvulsants such as phenytoin and carbamazepine are particularly associated with these severe cutaneous adverse drug reactions.
• Immediate hypersensitivity reactions, including urticaria, angioedema, and anaphylaxis, are uncommon with anticonvulsant use.

Observation:

• A 51-year-old female patient presented with a spreading rash on her wrists.
• The patient reported experiencing urticaria and pruritus.
• These symptoms developed 24 hours after receiving intravenous levetiracetam.

Findings:

• Levetiracetam, an anticonvulsant, can precipitate immediate hypersensitivity reactions.
• The observed reaction included urticaria and pruritus, consistent with an immediate hypersensitivity response.
• The temporal relationship suggests levetiracetam as the likely causative agent.

Implications:

• Healthcare providers should consider immediate hypersensitivity reactions when patients develop symptoms after intravenous levetiracetam administration.
• Increased clinical vigilance is necessary for recognizing rare adverse drug reactions to commonly used anticonvulsants.
• This case underscores the importance of detailed patient history and prompt diagnosis of hypersensitivity reactions to anticonvulsants.