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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.

Opisthotonus: Which Medications Cause It? (515 Reports Across 47 Drugs)

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Opisthotonus has been reported as an adverse event with 47 different drugs in the FDA's FAERS database, with 515 total reports. 22 of these reports resulted in death.The drugs most commonly associated with Opisthotonus are MORPHINE, OXYCODONE, and FENTANYL.

515
Total Reports
47
Drugs Involved
22
Deaths
341
Hospitalizations
32.0 yrs
Average Patient Age
37.4% / 62.6%
Female / Male

Which Drugs Cause Opisthotonus Most Often?

Drug Reports % of Drug Reports Deaths Hosp. Life-Threat.
MORPHINE 133 0.1% 0 132 1
OXYCODONE 132 0.1% 1 131 0
FENTANYL 130 0.1% 0 127 0
HYDROMORPHONE 129 0.2% 1 129 0
ACETAMINOPHEN\HYDROCODONE 126 0.1% 1 126 0
ACETAMINOPHEN\OXYCODONE 126 0.1% 0 126 0
OXYMORPHONE 126 0.3% 0 126 0
ASPIRIN\OXYCODONE\OXYCODONE TEREPHTHALATE 120 37.0% 0 120 0
RISPERIDONE 42 0.1% 9 34 5
VENLAFAXINE 30 0.1% 2 12 2
GABAPENTIN 27 0.0% 0 21 0
ONDANSETRON 27 0.1% 0 15 6
QUETIAPINE 25 0.0% 0 14 0
ACETAMINOPHEN 22 0.0% 0 8 0
PROMETHAZINE 20 0.3% 0 20 0
PROPOFOL 20 0.1% 0 12 5
DIAZEPAM 17 0.0% 6 15 2
MIRTAZAPINE 16 0.1% 7 15 1
TRAMADOL 13 0.0% 0 13 0
CITALOPRAM HYDROBROMIDE 11 0.0% 0 10 0

View all 47 drugs →

Top 3 Drugs Associated With Opisthotonus

133 reports
132 reports
130 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)