Skip to content
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.

Does ALLOPURINOL Cause Somnolence? 313 Reports in FDA Database

Boost Your Natural Energy & Metabolism

Mitolyn — 6 exotic plants to unlock your body's fat-burning power. 90-day guarantee.

Try Mitolyn Now

According to the FDA Adverse Event Reporting System (FAERS), 313 reports of Somnolence have been filed in association with ALLOPURINOL (Allopurinol). This represents 1.6% of all adverse event reports for ALLOPURINOL.

313
Reports of Somnolence with ALLOPURINOL
1.6%
of all ALLOPURINOL reports
200
Deaths
204
Hospitalizations

How Dangerous Is Somnolence From ALLOPURINOL?

Of the 313 reports, 200 (63.9%) resulted in death, 204 (65.2%) required hospitalization, and 132 (42.2%) were considered life-threatening.

Is Somnolence Listed in the Official Label?

Yes, Somnolence is listed as a known adverse reaction in the official FDA drug label for ALLOPURINOL.

What Other Side Effects Does ALLOPURINOL Cause?

Drug reaction with eosinophilia and systemic symptoms (2,943) Acute kidney injury (1,583) Rash (1,103) Off label use (921) Pyrexia (913) Dyspnoea (905) Toxic epidermal necrolysis (858) Pruritus (836) Diarrhoea (819) Drug ineffective (780)

What Other Drugs Cause Somnolence?

PREGABALIN (5,528) QUETIAPINE (4,394) ACETAMINOPHEN (3,923) GABAPENTIN (3,798) SODIUM OXYBATE (3,642) CETIRIZINE (3,058) OLANZAPINE (2,612) DIAZEPAM (2,547) RISPERIDONE (2,496) OXYCODONE (2,494)

Which ALLOPURINOL Alternatives Have Lower Somnolence Risk?

ALLOPURINOL vs ALMOTRIPTAN ALLOPURINOL vs ALMOTRIPTAN MALATE ALLOPURINOL vs ALOE VERA LEAF ALLOPURINOL vs ALOGLIPTIN ALLOPURINOL vs ALOGLIPTIN\METFORMIN

Related Pages

ALLOPURINOL Full Profile All Somnolence Reports All Drugs Causing Somnolence ALLOPURINOL Demographics