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Important: This site presents data from the FDA Adverse Event Reporting System (FAERS). A report does not mean the drug caused the event. Full disclaimer.

Encephalopathy: Which Medications Cause It? (16,791 Reports Across 813 Drugs)

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Encephalopathy has been reported as an adverse event with 813 different drugs in the FDA's FAERS database, with 16,791 total reports. 3,312 of these reports resulted in death.The drugs most commonly associated with Encephalopathy are BACLOFEN, METHOTREXATE, and ACETAMINOPHEN.

16,791
Total Reports
813
Drugs Involved
3,312
Deaths
11,348
Hospitalizations
54.4 yrs
Average Patient Age
50.8% / 49.2%
Female / Male

Which Drugs Cause Encephalopathy Most Often?

Drug Reports % of Drug Reports Deaths Hosp. Life-Threat.
BACLOFEN 845 3.3% 19 326 47
METHOTREXATE 775 0.3% 186 463 162
ACETAMINOPHEN 608 0.4% 231 484 170
IFOSFAMIDE 585 3.4% 72 287 54
CYCLOPHOSPHAMIDE 552 0.4% 193 341 106
TACROLIMUS 523 0.6% 196 388 177
PREDNISONE 489 0.3% 183 392 204
DEXAMETHASONE 428 0.3% 180 285 97
METFORMIN 418 0.5% 71 312 157
ETOPOSIDE 404 0.8% 92 239 43
CEFEPIME 376 6.8% 63 254 77
LEVETIRACETAM 367 0.6% 22 215 24
RITUXIMAB 358 0.2% 143 223 72
METHYLPREDNISOLONE 327 0.5% 149 234 99
VINCRISTINE 327 0.5% 95 187 62
METRONIDAZOLE 324 1.4% 46 174 48
DOXORUBICIN 306 0.4% 82 176 49
GABAPENTIN 306 0.4% 48 240 50
QUETIAPINE 304 0.4% 84 243 84
MYCOPHENOLATE MOFETIL 303 0.4% 160 226 125

View all 813 drugs →

Top 3 Drugs Associated With Encephalopathy

845 reports
775 reports
608 reports

Related Side Effects

Drug ineffective (1,049,718) Off label use (762,782) Death (660,423) Fatigue (599,248) Nausea (562,301) Diarrhoea (491,550) Pain (471,975) Headache (460,069) Dyspnoea (409,496) Dizziness (352,922)