Drug

Zanamivir

61 flagged reaction(s) · 2,602 total co-reports · max PRR 84.0

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	Abnormal Behaviour	399	84.0	99.5	signal
2	Drug Exposure During Pregnancy	244	59.2	65.4	signal
3	Hypothermia	44	36.2	36.8	signal
4	Delirium	115	27.7	29.0	signal
5	Altered State Of Consciousness	56	21.6	22.1	signal
6	Hallucination, Auditory	35	18.3	18.6	signal
7	Hallucination	159	17.7	18.8	signal
8	Acute Respiratory Distress Syndrome	34	16.0	16.2	signal
9	Overdose	395	15.2	17.8	signal
10	Hallucination, Visual	30	11.9	12.0	signal
11	Depressed Level Of Consciousness	56	11.8	12.0	signal
12	Erythema Multiforme	12	10.7	10.8	signal
13	Restlessness	47	10.7	10.8	signal
14	Cholestasis	22	9.6	9.7	signal
15	Multi-organ Failure	20	9.5	9.5	signal
16	Aggression	57	9.5	9.6	signal
17	Body Temperature Decreased	11	9.2	9.2	signal
18	Bronchospasm	15	8.7	8.8	signal
19	Crying	31	7.1	7.1	signal
20	Encephalopathy	20	6.8	6.8	signal
21	Loss Of Consciousness	104	6.7	7.0	signal
22	Pallor	22	6.7	6.8	signal
23	Body Temperature Increased	16	6.5	6.5	signal
24	Convulsion	45	6.4	6.5	signal
25	Fear	21	6.4	6.5	signal
26	Shock	17	6.2	6.2	signal
27	Hepatic Failure	22	6.1	6.1	signal
28	Speech Disorder	38	6.0	6.1	signal
29	Affect Lability	7	6.0	6.0	signal
30	Muscle Rigidity	8	5.6	5.6	signal
31	No Adverse Event	117	5.5	5.7	signal
32	Agitation	48	5.4	5.5	signal
33	Respiratory Disorder	19	5.3	5.3	signal
34	Nightmare	22	5.3	5.3	signal
35	Anosmia	9	5.2	5.2	signal
36	Gastroenteritis	9	5.1	5.1	signal
37	Amnesia	40	5.1	5.2	signal
38	Drug Eruption	10	4.7	4.7	signal
39	Hepatocellular Injury	8	4.7	4.7	signal
40	Accidental Overdose	20	4.5	4.6	signal
41	Delusion	8	4.3	4.3	signal
42	Anaphylactic Shock	13	4.2	4.2	signal
43	Haemoptysis	14	4.2	4.2	signal
44	Incorrect Route Of Drug Administration	18	4.1	4.1	signal
45	Stevens-johnson Syndrome	11	4.1	4.1	signal
46	Euphoric Mood	5	4.0	4.0	signal
47	Unresponsive To Stimuli	12	3.9	3.9	signal
48	Drug Administration Error	14	3.7	3.8	signal
49	Cyanosis	7	3.7	3.7	signal
50	Drug Resistance	11	3.6	3.6	signal
51	Abortion Induced	4	3.5	3.5	signal
52	Cytomegalovirus Infection	7	3.5	3.5	signal
53	Face Oedema	7	3.4	3.4	signal
54	Anorexia	5	3.2	3.2	signal
55	Wrong Technique In Drug Usage Process	13	2.9	2.9	signal
56	Dyskinesia	14	2.9	2.9	signal
57	Rash Generalised	9	2.8	2.9	signal
58	Product Prescribing Error	8	2.8	2.8	signal
59	Respiratory Depression	4	2.7	2.7	no signal
60	Genital Haemorrhage	4	2.6	2.6	no signal
61	Abortion Spontaneous	10	2.1	2.1	signal