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Atenolol Side Effects

The most commonly reported side effects of atenolol include fatigue, diarrhoea, and nausea, based on 135,531 FDA adverse event reports from 2004 to 2025. 4.4% of reports found the drug to be ineffective.

Atenolol side effects

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

1
Drug Ineffective4.4%6,020
2
Fatigue4.3%5,827
3
Diarrhoea3.9%5,233
4
Nausea3.8%5,202
5
Dyspnoea3.1%4,250
6
Headache3.1%4,230
7
Pain3.0%4,036
8
Dizziness2.9%3,920
9
Off Label Use2.9%3,885
10
Arthralgia2.6%3,527
11
Fall2.4%3,309
12
Asthenia2.4%3,243
13
Malaise2.4%3,188
14
Nausea2.1%2,830
15
Vomiting2.0%2,695

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

Report severity

70.6%Serious95,668 reports
36.2%Hospitalizations49,076 reports
8.5%Fatal11,520 reports

Seriousness is determined by the reporter, not by OpenClaim.

Atenolol drug interactions

Other drugs that appear in adverse event reports alongside atenolol. 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
Adalimumab4.6%6,240
2
Lenalidomide3.2%4,311
3
Amlodipine2.6%3,570
4
Omeprazole2.5%3,375
5
Atorvastatin-calcium2.0%2,714
6
Metformin2.0%2,708
7
Esomeprazole2.0%2,652
8
Etanercept1.9%2,579
9
Aspirin1.7%2,322
10
Hydrochlorothiazide1.7%2,308
11
Rosiglitazone-maleate1.5%1,971
12
Pregabalin1.4%1,953
13
Rosuvastatin1.4%1,905
14
Pantoprazole-sodium1.4%1,899
15
Lisinopril1.4%1,851

Taken alongside

1
Aspirin21.6%29,265
2
Amlodipine14.2%19,220
3
Atorvastatin-calcium12.9%17,508
4
Acetaminophen12.8%17,345
5
Levothyroxine-sodium12.3%16,653
6
Hydrochlorothiazide11.5%15,653
7
Omeprazole11.5%15,525
8
Furosemide11.2%15,181
9
Lisinopril11.1%15,063
10
Simvastatin11.0%14,956
11
Metformin10.8%14,615
12
Ergocalciferol9.5%12,864
13
Losartan-potassium6.9%9,325
14
Gabapentin6.7%9,090
15
Prednisone6.6%8,917

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 atenolol side effects

56.9% of atenolol adverse event reports involve female patients and 38.2% involve male patients. The largest age group is elderly at 56%. These figures reflect who reports side effects, not underlying risk.

Sex

Female56.9%
Male38.2%
Unknown4.9%

Age group

< 20.3%
2–110.3%
12–170.4%
18–6442.7%
65+56.4%

What is atenolol used for

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

Abdominal DiscomfortAbdominal PainAccidental ExposureAccidental Exposure To ProductAccidental Exposure To Product By ChildAccidental OverdoseAcute Coronary SyndromeAcute Myeloid LeukaemiaAcute Myocardial InfarctionAdenosquamous Cell Lung CancerAdrenal DisorderAdrenal InsufficiencyAdverse EventAge Indeterminate Myocardial InfarctionAgitation

Showing 15 of 705 indications

Atenolol brand names and reporting trend

Atenolol is sold under the brand name Tenormin.

Brand names

Tenormin129,795

Quarterly reports (20042025)

20052010201520202025

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

Taking atenolol with another medication?

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