Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0038362 (stomatitis)
 8,852 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 25-year-old college student with no medical history sought care at our hospital for a nonproductive cough, subjective fevers, myalgia, and malaise that he'd developed 10 days earlier. The day before his visit, he'd also developed scratchy red eyes and a sore throat. He said he'd taken an over-the-counter cough suppressant to help with the cough, but his eyes and lips developed further redness and irritation. On examination, the patient demonstrated conjunctival suffusion, periorbital edema, diffuse oral stomatitis with pseudomembranous crusting, and nasal crusting. His vital signs were within normal limits, and he had no epithelial skin eruptions or erosions in any other mucosal regions. What's your diagnosis?
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PMID:A sheep in wolf's clothing? 2870 Jul 64

A promising drug, palbociclib, received accelerated approval as a first line treatment when used with the aromatase inhibitor, letrozole, for postmenopausal women with hormone receptor positive advanced or metastatic breast cancer. We report a case of a patient who presented with febrile neutropenia, grade 3 stomatitis with lip swelling, periorbital edema, and transaminitis while on palbociclib and verapamil. Labs normalized upon discontinuation of verapamil and our patient was able to continue treatment with palbociclib and letrozole. Verapamil's inhibition of both permeability-glycoprotein (P-gp) and CYP3A4 is suspected to have led to the adverse side effects seen in our patient.
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PMID:Verapamil as a culprit of palbociclib toxicity. 2952 51