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amitriptyline Side Effects

Also known as: Elavil

Analysis of 16,403 adverse event reports submitted to the FDA from 2004 to 2025.

Total Reports

16,403

Death-Related

1,235

7.5% of reports

Hospitalizations

5,471

33.4% of reports

Top Indication

Product Used For Unknown Indication

Most Reported Adverse Reactions

PAIN
1,565
NAUSEA
1,434
HEADACHE
1,381
FATIGUE
1,371
DYSPNOEA
1,340
DIZZINESS
1,153
DIARRHOEA
1,087
MALAISE
1,031
FALL
1,013
VOMITING
984
OFF LABEL USE
979
ARTHRALGIA
922
COGNITIVE DISORDER
921
DRUG INEFFECTIVE
869
ANXIETY
817
PRURITUS
806
INSOMNIA
779
HYPOTENSION
770
CONSTIPATION
769
PYREXIA
767

Who Reports Side Effects

Gender Distribution

Female 10,711 (71%)
Male 4,363 (29%)
Unknown 10

Age Distribution

0-17 316 (3%)
18-44 2,403 (20%)
45-64 4,766 (40%)
65-74 2,285 (19%)
75+ 2,180 (18%)

Reporting Trend by Year

2004 2025

Reactions in Death Reports

Top reactions reported in 1,235 reports where death was an outcome. These are voluntarily reported and do not establish causation.

Reaction Reports
COMPLETED SUICIDE 264
DEATH 210
TOXICITY TO VARIOUS AGENTS 155
CARDIO-RESPIRATORY ARREST 104
PNEUMONIA 58
DRUG ABUSE 55
CARDIAC ARREST 54
FATIGUE 54
PYREXIA 50
DYSPNOEA 49
OFF LABEL USE 49
OVERDOSE 48
CONFUSIONAL STATE 46
VOMITING 46
NAUSEA 45
PAIN 44
DRUG INTERACTION 43
MALAISE 40
DIARRHOEA 39
HYPOTENSION 38

Reactions in Hospitalization Reports

Top reactions in 5,471 reports where hospitalization was an outcome.

Reaction Reports
FALL 787
PAIN 781
HYPOTENSION 649
COGNITIVE DISORDER 591
CONSTIPATION 576
DYSPNOEA 542
TOXICITY TO VARIOUS AGENTS 542
BALANCE DISORDER 537
ORTHOSTATIC HYPOTENSION 498
DEPRESSED LEVEL OF CONSCIOUSNESS 474
FATIGUE 472
MOBILITY DECREASED 450
SEDATION 450
BLOOD CALCIUM DECREASED 428
CREATININE RENAL CLEARANCE DECREASED 427
NAUSEA 424
SEDATION COMPLICATION 417
HEADACHE 404
DIZZINESS 376
OFF LABEL USE 375

Nearby — Related Medications

Compare amitriptyline vs acamprosate →

What the FAERS Data Reveals About amitriptyline Side Effects

The FDA Adverse Event Reporting System (FAERS) contains 16,403 voluntary reports linked to amitriptyline and its brand equivalents (Elavil), spanning 2004 through 2025. Of those, 1,235 (7.5%) listed death as an outcome and 5,471 (33.4%) 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, 71% were female and 29% male; age distribution skews toward 45-64, with 4,766 reports in that bracket. The single most reported reaction is pain with 1,565 submissions, followed by nausea and headache.

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.