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Tramadol Side Effects

The most commonly reported side effects of tramadol include drug dependence, pain, and overdose, based on 228,351 FDA adverse event reports from 2004 to 2025. 4.8% of reports found the drug to be ineffective.

Tramadol side effects

Percentages show how often each reaction appears relative to total reports for tramadol.

1
Drug Dependence9.6%21,960
2
Pain7.1%16,101
3
Overdose6.0%13,797
4
Nausea5.5%12,528
5
Fatigue5.0%11,465
6
Drug Ineffective4.8%10,851
7
Vomiting4.2%9,653
8
Headache4.2%9,577
9
Diarrhoea4.0%9,191
10
Dependence3.8%8,594
11
Death3.7%8,386
12
Dyspnoea3.5%8,028
13
Dizziness3.4%7,653
14
Off Label Use3.3%7,559
15
Arthralgia3.3%7,460

These are voluntary reports and do not establish that tramadol caused these reactions.

Report severity

77.4%Serious176,808 reports
31.9%Hospitalizations72,793 reports
13.3%Fatal30,334 reports

Seriousness is determined by the reporter, not by OpenClaim.

Tramadol drug interactions

Other drugs that appear in adverse event reports alongside tramadol. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Acetaminophen15.2%34,604
2
Oxycodone13.4%30,671
3
Hydrocodone8.0%18,352
4
Morphine-sulfate6.9%15,818
5
Hydromorphone-hydrochloride6.4%14,677
6
Adalimumab5.4%12,318
7
Buprenorphine4.9%11,131
8
Pregabalin3.8%8,578
9
Omeprazole3.6%8,153
10
Lenalidomide3.3%7,607
11
Etanercept3.2%7,399
12
Esomeprazole3.0%6,827
13
Pantoprazole-sodium2.9%6,549
14
Fentanyl2.8%6,365
15
Oxymorphone-hydrochloride2.5%5,616

Taken alongside

1
Acetaminophen20.2%46,144
2
Aspirin11.5%26,255
3
Gabapentin11.3%25,859
4
Omeprazole10.8%24,661
5
Ergocalciferol10.7%24,504
6
Levothyroxine-sodium9.5%21,627
7
Furosemide9.0%20,457
8
Albuterol8.2%18,805
9
Atorvastatin-calcium8.0%18,296
10
Prednisone7.9%17,999
11
Amlodipine7.6%17,324
12
Lisinopril7.4%16,845
13
Pantoprazole-sodium6.9%15,762
14
Metoprolol6.9%15,698
15
Ibuprofen6.8%15,551

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports tramadol side effects

58.1% of tramadol adverse event reports involve female patients and 34.1% involve male patients. The largest age group is adult at 60%. These figures reflect who reports side effects, not underlying risk.

Sex

Female58.1%
Male34.1%
Unknown7.8%

Age group

< 20.9%
2–110.5%
12–171.4%
18–6460.4%
65+36.9%

What is tramadol used for

Conditions and purposes for which patients were taking tramadol when the adverse event was reported.

Abdominal AdhesionsAbdominal DiscomfortAbdominal DistensionAbdominal PainAbdominal Pain LowerAbdominal Pain UpperAbdominal SymptomAbnormal BehaviourAbnormal FaecesAbscessAccidentAccident At WorkAccidental Drug Intake By ChildAccidental ExposureAccidental Exposure To Product

Showing 15 of 1,800 indications

Tramadol brand names and reporting trend

Tramadol is sold under the brand name Ryzolt.

Brand names

Ryzolt68

Quarterly reports (20042025)

20052010201520202025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking tramadol with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.