Drug

Allopurinol Sodium

31 flagged reaction(s) · 345 total co-reports · max PRR 56.4

Important: Reactions below are the flagged terms from this drug’s FAERS report history (min. 3 co-reports per term) — PRR/ROR indicate disproportionality in spontaneous reporting, not causation. Data from FDA FAERS via openFDA. Last recalculated: 2026-09-14.

	Reaction	Co-reports (a)	PRR	ROR	Signal
1	Incorrect Route Of Product Administration	25	56.4	59.0	signal
2	Full Blood Count Abnormal	11	39.5	40.3	signal
3	Cardiomegaly	11	33.6	34.2	signal
4	Hypercholesterolaemia	8	31.7	32.1	signal
5	Gout	15	31.6	32.5	signal
6	Hyperlipidaemia	10	31.6	32.2	signal
7	Aspiration	9	31.5	32.0	signal
8	Middle Insomnia	15	30.5	31.4	signal
9	Myocardial Ischaemia	9	29.7	30.2	signal
10	Body Temperature Increased	16	29.6	30.5	signal
11	Rib Fracture	16	29.5	30.4	signal
12	Micturition Urgency	8	26.7	27.1	signal
13	Poor Quality Sleep	15	26.5	27.3	signal
14	Muscle Twitching	16	26.2	27.0	signal
15	Sedation	16	23.2	23.9	signal
16	End Stage Renal Disease	11	22.6	23.1	signal
17	Blood Test Abnormal	8	21.6	21.9	signal
18	Ulcer	9	21.4	21.7	signal
19	Ventricular Fibrillation	6	20.4	20.6	signal
20	Polyneuropathy	6	19.1	19.3	signal
21	Joint Dislocation	5	18.0	18.1	signal
22	Nightmare	16	17.4	17.9	signal
23	Renal Failure Acute	19	16.7	17.3	signal
24	Lower Respiratory Tract Infection	20	16.7	17.3	signal
25	Drug Level Increased	7	16.0	16.2	signal
26	Cytokine Release Syndrome	8	15.9	16.1	signal
27	Wrist Fracture	5	15.8	15.9	signal
28	Body Temperature Decreased	4	15.3	15.4	signal
29	Cardiovascular Disorder	8	11.8	12.0	signal
30	Oesophageal Carcinoma	9	11.3	11.5	signal
31	Injection Site Mass	4	4.1	4.1	signal