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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.

Hyperammonaemia: Which Medications Cause It? (3,484 Reports Across 237 Drugs)

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Hyperammonaemia has been reported as an adverse event with 237 different drugs in the FDA's FAERS database, with 3,484 total reports. 503 of these reports resulted in death.The drugs most commonly associated with Hyperammonaemia are VALPROIC ACID, VALPROATE, and FLUOROURACIL.

3,484
Total Reports
237
Drugs Involved
503
Deaths
2,355
Hospitalizations
43.3 yrs
Average Patient Age
45.6% / 54.4%
Female / Male

Which Drugs Cause Hyperammonaemia Most Often?

Drug Reports % of Drug Reports Deaths Hosp. Life-Threat.
VALPROIC ACID 581 2.9% 26 385 96
VALPROATE 328 2.1% 14 198 25
FLUOROURACIL 263 0.5% 12 133 54
DIVALPROEX 256 2.2% 4 195 42
LEVETIRACETAM 192 0.3% 18 67 18
TACROLIMUS 181 0.2% 100 117 74
ACETAMINOPHEN 177 0.1% 17 169 23
OXALIPLATIN 160 0.3% 8 84 35
TOPIRAMATE 156 0.6% 0 84 1
GLYCEROL PHENYLBUTYRATE 147 11.7% 3 119 5
METHOTREXATE 126 0.1% 48 100 45
PREDNISONE 112 0.1% 64 90 60
METHYLPREDNISOLONE 109 0.2% 52 73 41
OLANZAPINE 107 0.2% 5 73 24
MYCOPHENOLATE MOFETIL 102 0.1% 72 75 52
QUETIAPINE 102 0.1% 4 86 29
PHENYTOIN 95 0.7% 2 40 8
CLOBAZAM 92 0.9% 1 32 7
LAMOTRIGINE 90 0.2% 0 25 5
CARBAMAZEPINE 89 0.4% 0 54 2

View all 237 drugs →

Top 3 Drugs Associated With Hyperammonaemia

581 reports
328 reports
263 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)