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paroxetine Side Effects

Also known as: Paxil

Analysis of 32,666 adverse event reports submitted to the FDA from 1995 to 2025.

Total Reports

32,666

Death-Related

4,275

13.1% of reports

Hospitalizations

12,918

39.5% of reports

Top Indication

Product Used For Unknown Indication

Most Reported Adverse Reactions

DRUG INEFFECTIVE
2,032
DRUG INTERACTION
1,825
FATIGUE
1,821
NAUSEA
1,738
TOXICITY TO VARIOUS AGENTS
1,579
ANXIETY
1,476
DIARRHOEA
1,453
HEADACHE
1,446
DIZZINESS
1,363
OFF LABEL USE
1,311
FALL
1,293
DRUG ABUSE
1,256
CONFUSIONAL STATE
1,229
VOMITING
1,189
SOMNOLENCE
1,158
DYSPNOEA
1,155
DEPRESSION
1,126
ASTHENIA
1,092
INSOMNIA
1,092
PAIN
998

Who Reports Side Effects

Gender Distribution

Female 19,170 (65%)
Male 10,466 (35%)
Unknown 83

Age Distribution

0-17 730 (3%)
18-44 6,097 (25%)
45-64 8,712 (36%)
65-74 4,425 (18%)
75+ 4,429 (18%)

Reporting Trend by Year

1995 2025

Reactions in Death Reports

Top reactions reported in 4,275 reports where death was an outcome. These are voluntarily reported and do not establish causation.

Reaction Reports
COMPLETED SUICIDE 944
DEATH 911
TOXICITY TO VARIOUS AGENTS 839
DRUG ABUSE 345
CARDIO-RESPIRATORY ARREST 225
CARDIAC ARREST 201
OVERDOSE 176
DRUG INTERACTION 162
DYSPNOEA 126
OFF LABEL USE 124
FALL 123
INTENTIONAL OVERDOSE 109
RESPIRATORY ARREST 107
ACUTE KIDNEY INJURY 106
CONFUSIONAL STATE 105
PNEUMONIA 102
HYPOTENSION 101
RENAL FAILURE 99
ASTHENIA 98
DRUG INEFFECTIVE 95

Reactions in Hospitalization Reports

Top reactions in 12,918 reports where hospitalization was an outcome.

Reaction Reports
DRUG INTERACTION 1,045
FALL 820
CONFUSIONAL STATE 751
TOXICITY TO VARIOUS AGENTS 700
SOMNOLENCE 647
SEROTONIN SYNDROME 620
DYSPNOEA 593
VOMITING 590
DRUG ABUSE 572
FATIGUE 571
NAUSEA 570
DRUG INEFFECTIVE 545
DIARRHOEA 525
ASTHENIA 522
OFF LABEL USE 517
ANXIETY 489
PNEUMONIA 477
HYPONATRAEMIA 476
SUICIDE ATTEMPT 469
HEADACHE 452

Nearby — Related Medications

Compare paroxetine vs acamprosate →

What the FAERS Data Reveals About paroxetine Side Effects

The FDA Adverse Event Reporting System (FAERS) contains 32,666 voluntary reports linked to paroxetine and its brand equivalents (Paxil), spanning 1995 through 2025. Of those, 4,275 (13.1%) listed death as an outcome and 12,918 (39.5%) involved hospitalization. The most common indication reported alongside adverse events was Product Used For Unknown Indication.

Demographic breakdowns help contextualize who is being exposed to the drug. Of reports with known sex, 65% were female and 35% male; age distribution skews toward 45-64, with 8,712 reports in that bracket. The single most reported reaction is drug ineffective with 2,032 submissions, followed by drug interaction and fatigue.

FAERS is a signal-detection tool, not a scorecard. Reports are voluntary, and a single case may list multiple suspect drugs, so numbers above should not be read as incidence rates or per-patient risk. Widely prescribed drugs naturally accumulate more reports than niche therapies even when individual risk is low. These aggregates are useful for spotting patterns that merit further pharmacovigilance, not for choosing between medications. This page is for educational reference only and is not medical advice — speak with a licensed clinician about any side-effect concerns.