Lopressor: adverse event reports filed with FDA

1,418

reports as suspect product

0% of all reports · about 63 a year

207

reports, 12 months to June 2026

13 in the 12 months before

71.9%

marked serious by the reporter

78.7% across the class

6.8%

record death among outcomes, as reported

96 reports · not verified by FDA

Reports by month, five years

Reports by the month FDA received them. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases.

By year received

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of Lopressor reports recording the termmedian drug in beta-adrenergic blocker

1. Dizzinesslight-headedness or unsteadiness9.5%135
2. Drug ineffectivethe medicine did not work as expected8.7%123
3. Dyspnoeashortness of breath8.3%118
4. Hypotensionlow blood pressure7.8%111
5. Fatiguetiredness7.5%107
6. Hypertensionhigh blood pressure7.3%104
7. Nauseafeeling sick5.6%79
8. Drug hypersensitivityan allergic-type reaction to a medicine5.4%77
9. Malaisegeneral feeling of being unwell5.3%75
10. Bradycardiaslow heart rate5.2%74
11. Headachehead pain5%71
12. Astheniaweakness or lack of energy4.9%69
13. Syncopefainting4.7%66
14. Coughcough4.5%64
15. Atrial fibrillationan irregular heart rhythm4%57
16. Blood pressure increaseda raised blood pressure reading3.9%55
17. Palpitationsawareness of the heartbeat3.7%52
18. Diarrhoealoose or frequent stools3.6%51
19. Heart rate decreased3.3%47
20. Chest painchest pain3.2%46
21. Rashskin rash3.1%44
22. Arthralgiajoint pain2.8%39
23. Falla fall2.7%38
24. Drug interactionan interaction between medicines2.5%35
25. Painpain, site not specified2.5%35
26. Abdominal pain upperupper stomach pain2.3%32
27. Heart rate increaseda fast heart rate reading2.3%32
28. Renal impairmentreduced kidney function2.3%32
29. Acute kidney injurysudden loss of kidney function2.2%31
30. Weight decreasedweight loss2.2%31

Top 30 of 439 MedDRA preferred terms recorded across these reports, with a plain-language gloss where one is available. One report can record several terms. The hollow bar is the median share across the 22 drugs in the beta-adrenergic blocker class; it describes the reports, not the patients. FDA states that adverse event reports "represent a small percentage of total usage numbers of a product", that "common products may have a higher number of adverse events due to the higher total number of people using the product", and that the data "by themselves are not an indicator of the safety profile of the drug or biologic."

Outcomes recorded

Outcome flags as the reporter set them; a report can carry several, and "other serious" is FDA's own category for serious reports outside the named outcomes. Grey bar: all 148,208 reports in the class. FDA has not verified any outcome and states that the reports "cannot be used to estimate the incidence of these events."

Patients and reporters

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 70.1% of reports give the United States as the country of the event or reporter.

Reason for use recorded

The indication field is filled in by the reporter and is often blank; shares are of all 1,418 reports.

In context

Shares are of reports, not of patients treated. The number of people taking a product is not in the data, so none of these figures is a rate, and differences between columns reflect who takes a product, who reports and how long it has been sold. FDA states that adverse event reports "represent a small percentage of total usage numbers of a product", that "common products may have a higher number of adverse events due to the higher total number of people using the product", and that the data "by themselves are not an indicator of the safety profile of the drug or biologic."

Other drugs in the beta-adrenergic blocker class

Ordered by report count for navigation only. FDA states that adverse event reports "represent a small percentage of total usage numbers of a product", that "common products may have a higher number of adverse events due to the higher total number of people using the product", and that the data "by themselves are not an indicator of the safety profile of the drug or biologic." A brand and its generic are separate rows because reporters name them separately.

Where this comes from. Counts are built from the openFDA Drug Adverse Event (FAERS) bulk export released 28 Sep 2026, which holds reports FDA received through 30 Jun 2026. Drug names are as reported, resolved to the brand or generic name on the FDA label where openFDA's harmonisation matched them; classes are the pharmacologic class (EPC) from the label and the National Drug Code Directory of 17 Sep 2026. A report counts here when it lists Lopressor as a suspect or interacting product; reports listing it only as a concomitant medication (19,003) are excluded. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.