Drug

Phenelzine Sulfate

75 flagged reaction(s) · 1,545 total co-reports · max PRR 49.6

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	Pharmaceutical Product Complaint	97	49.6	52.8	signal
2	Hypertensive Crisis	35	42.2	43.1	signal
3	Serotonin Syndrome	36	25.3	25.9	signal
4	Orthostatic Hypotension	22	16.9	17.2	signal
5	Mania	19	15.5	15.7	signal
6	Panic Attack	42	15.5	15.9	signal
7	Body Height Decreased	11	13.7	13.8	signal
8	Euphoric Mood	10	13.0	13.1	signal
9	Muscle Rigidity	10	11.2	11.3	signal
10	Withdrawal Syndrome	35	11.1	11.4	signal
11	Depression	187	11.0	12.3	signal
12	Drug Effect Decreased	43	10.6	10.8	signal
13	Sexual Dysfunction	9	10.3	10.4	signal
14	Eyelid Ptosis	7	9.2	9.3	signal
15	Crying	25	9.2	9.3	signal
16	Poor Quality Product Administered	7	9.2	9.2	signal
17	Nightmare	23	8.9	9.0	signal
18	Back Injury	7	8.7	8.7	signal
19	Bipolar Disorder	7	8.6	8.6	signal
20	Drug Interaction	100	8.5	9.0	signal
21	Thyroid Disorder	9	7.8	7.9	signal
22	Erectile Dysfunction	15	7.8	7.9	signal
23	Suicidal Ideation	51	7.5	7.7	signal
24	Fear	15	7.4	7.5	signal
25	Weight Increased	122	7.4	7.9	signal
26	Activities Of Daily Living Impaired	11	7.4	7.4	signal
27	Impaired Work Ability	11	6.9	6.9	signal
28	Drug Withdrawal Syndrome	44	6.7	6.8	signal
29	Libido Decreased	6	6.5	6.5	signal
30	Product Odour Abnormal	5	6.5	6.5	signal
31	Nervousness	25	6.4	6.5	signal
32	Amnesia	31	6.4	6.5	signal
33	Feeling Jittery	9	6.3	6.4	signal
34	Product Prescribing Error	11	6.2	6.3	signal
35	Anorexia	6	6.2	6.2	signal
36	Hunger	6	6.0	6.0	signal
37	Product Taste Abnormal	6	6.0	6.0	signal
38	Psychotic Disorder	13	5.9	5.9	signal
39	Personality Change	4	5.7	5.8	signal
40	Coordination Abnormal	6	5.7	5.7	signal
41	Thinking Abnormal	8	5.7	5.8	signal
42	Psychomotor Hyperactivity	7	5.6	5.7	signal
43	Myoclonus	5	5.6	5.6	signal
44	Wrist Fracture	5	5.6	5.6	signal
45	Paranoia	7	5.4	5.4	signal
46	Ageusia	10	5.4	5.4	signal
47	Haemorrhage Intracranial	6	5.4	5.4	signal
48	Contraindicated Product Administered	12	5.3	5.4	signal
49	Abnormal Dreams	11	5.3	5.3	signal
50	Mydriasis	5	5.2	5.2	signal
51	Agitation	28	5.1	5.2	signal
52	Gastric Disorder	13	5.0	5.0	signal
53	Feeling Abnormal	89	5.0	5.2	signal
54	Mental Disorder	16	4.9	5.0	signal
55	Emotional Disorder	11	4.8	4.8	signal
56	Madarosis	4	4.6	4.6	signal
57	Neuroleptic Malignant Syndrome	4	4.5	4.5	signal
58	Colon Cancer	5	4.5	4.5	signal
59	Intentional Product Misuse	29	4.5	4.5	signal
60	Respiratory Depression	4	4.4	4.4	signal
61	Increased Appetite	6	4.3	4.3	signal
62	Hallucination, Auditory	5	4.2	4.2	signal
63	Parkinsonism	3	4.1	4.1	signal
64	Coeliac Disease	3	4.1	4.1	signal
65	Central Nervous System Lesion	4	3.9	3.9	signal
66	Convulsion	15	3.5	3.5	signal
67	Suicide Attempt	15	3.3	3.3	signal
68	Tooth Loss	5	3.2	3.2	signal
69	Drug Administration Error	7	3.0	3.0	signal
70	Drug Toxicity	3	2.9	2.9	no signal
71	Drug Dependence	33	2.7	2.8	signal
72	Extrapyramidal Disorder	5	2.7	2.7	no signal
73	Product Substitution Issue	11	2.6	2.6	signal
74	Drug Effect Incomplete	7	2.5	2.6	signal
75	Dependence	6	1.4	1.5	no signal