title: Reversible panhypogammaglobulinemia associated with the antiepileptic agent levetiracetam.
authors.forename: Antoine E
authors.initials: AE
authors.lastname: Azar
authors.forename: Zuhair K
authors.initials: ZK
authors.lastname: Ballas
mesh_terms: D000328:Adult; D000361:Agammaglobulinemia / Q000097:blood / Q000139:chemically induced*; D000927:Anticonvulsants / Q000009:adverse effects* / Q000627:therapeutic use; D001922:Brain Abscess / Q000188:drug therapy; D006801:Humans; D007136:Immunoglobulins / Q000097:blood*; D000077287:Levetiracetam; D008297:Male; D010889:Piracetam / Q000009:adverse effects / Q000031:analogs & derivatives* / Q000627:therapeutic use; D012640:Seizures / Q000517:prevention & control
chemical_list: D000927:Anticonvulsants; D007136:Immunoglobulins; D000077287:Levetiracetam; D010889:Piracetam