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    Journal of Pharmacology and PharmacotherapeuticsNOW IN
    Article

    Anticonvulsant hypersensitivity syndrome associated with carbamazepine administration: Case series

    Maulin Mehta1, Jay Shah1, Tejas Khakhkhar1, Rima Shah2★, K. G. Hemavathi1★ Corresponding author

    1. 1Departments of Pharmacology, Smt. Bhikhiben Kanjibhai Shah S. B. K. S. Medical Institute and Research Center, Piparia, Vadodara, India.
    2. 2Gujarat Medical Education and Research Society Medical College, Gandhinagar, Gujarat, India.

    CORRESPONDENCE

    Rima Shah

    Gujarat Medical Education and Research Society Medical College, Gandhinagar, Gujarat, India.

    rima_1223@yahoo.co.in

    Volume 5, Issue 1 · pp. 59–60 · PUBLISHED 2014 · DOI: 10.4103/0976-500X.124428

    View on J Pharmacol. Pharmacother. original site ↗

    ABSTRACT

    Hypersensitivity reactions are common adverse drug reactions (ADRs) associated with antiepileptics. Carbamazepine is one of the routinely prescribed drugs for the treatment of epilepsy and neuropathic pain. ADRs due to carbamazepine range from mild maculopapular rash to severe anticonvulsant hypersensitivity syndrome (AHS). AHS is the triad of fever, rash, and internal organ involvement occurring 1‑8 weeks after exposure to an anticonvulsant (1 in 1,000 to 10,000 exposures). Spontaneously reported three cases of AHS‑drug hypersensitivity reactions induced by carbamazepine are discussed here. Seven to ten days after starting therapy, patients developed maculopapular skin rashes, fever and liver or kidney involvement. The causal relationship between drug and ADR was found to be ‘certain’ in one case and ‘probable’ in other two cases with both WHO‑UMC and Naranjo causality assessment scale. All the three cases show category 4a according to Hartwig’s severity scale as ADR was the cause for hospital admission. On assessing preventability of ADRs by modified Schumock and Thorntons’ scale, one case was falling into category of ‘definitely preventable’ and other two were ‘not preventable’. AHS is rare but serious reaction with carbamazepine which requires vigilant monitoring by physicians to avoid major consequences.

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      Mehta, M., Shah, J., Khakhkhar, T., Shah, R., & Hemavathi, K. G. (2014). Anticonvulsant hypersensitivity syndrome associated with carbamazepine administration: Case series. Journal of Pharmacology and Pharmacotherapeutics, 5(1), 59–60. https://doi.org/10.4103/0976-500X.124428