Reported Reactions

Drugs › Cholinesterase inhibitor

Brand name · Rivastigmine

Exelon: adverse event reports filed with FDA

13,663 reports list it as a suspect or interacting product, 2004–2026. Class: Cholinesterase inhibitor. Also reported as Exelon Patch, Exelon /01383201/.

13,663
reports as suspect product
0.1% of all reports · about 607 a year
265
reports, 12 months to June 2026
210 in the 12 months before
92.6%
marked serious by the reporter
88.6% across the class
34%
record death among outcomes, as reported
4,649 reports · not verified by FDA

13,663 adverse event reports received by FDA list the brand name Exelon (rivastigmine) as a suspect or interacting product, from January 2004 to June 2026. A further 4,022 reports list it only as a concomitant medication, and those are not counted in the figures on this page.

In the 12 months to June 2026, 265 reports listed it, up 26% from 210 in the 12 months before. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases. Over its reporting history that is about 607 reports a year and 0.1% of the 20,646,523 reports in the database, and 53.1% of the reports for the cholinesterase inhibitor class. How many people take it is not in the data, so a count is not a rate of occurrence.

Reporters most often recorded death (17.3%), fall (7%) and vomiting (5.8%). A report can list several reactions, so shares add to more than 100%; 1,094 different terms appear across these reports. Death is recorded in 17.3% of these reports, a larger share than in the median cholinesterase inhibitor drug (1.2%).

92.6% of the reports are marked serious by the reporter (88.6% across the class); 34% record death among the outcomes and 30.9% record hospitalisation, as reported. 52.6% of the reports came from consumers, and the largest patient age group is 75 and over (35.8%). FDA states that "a causal relationship cannot be established between product and reactions listed in a report" and that for any given report "there is no certainty that a suspected drug caused the event."

Reports by month, five years

02346Jul 2021: 22Aug 2021: 25Sep 2021: 28Oct 2021: 19Nov 2021: 16Dec 2021: 262022Jan 2022: 18Feb 2022: 11Mar 2022: 34Apr 2022: 13May 2022: 15Jun 2022: 20Jul 2022: 13Aug 2022: 11Sep 2022: 30Oct 2022: 45Nov 2022: 18Dec 2022: 102023Jan 2023: 16Feb 2023: 10Mar 2023: 13Apr 2023: 11May 2023: 14Jun 2023: 10Jul 2023: 14Aug 2023: 36Sep 2023: 40Oct 2023: 20Nov 2023: 26Dec 2023: 222024Jan 2024: 17Feb 2024: 18Mar 2024: 10Apr 2024: 5May 2024: 9Jun 2024: 7Jul 2024: 9Aug 2024: 9Sep 2024: 6Oct 2024: 12Nov 2024: 11Dec 2024: 152025Jan 2025: 27Feb 2025: 36Mar 2025: 34Apr 2025: 14May 2025: 23Jun 2025: 14Jul 2025: 5Aug 2025: 14Sep 2025: 32Oct 2025: 32Nov 2025: 18Dec 2025: 392026Jan 2026: 39Feb 2026: 12Mar 2026: 46Apr 2026: 19May 2026: 8Jun 2026: 1

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

07851,5692004: 12120042005: 1202006: 1172007: 14920072008: 5252009: 7932010: 77520102011: 9862012: 1,5692013: 1,31220132014: 1,1942015: 1,1982016: 1,31120162017: 9252018: 6202019: 40520192020: 2752021: 2522022: 23820222023: 2322024: 1282025: 28820252026: 125

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of Exelon reports recording the termmedian drug in cholinesterase inhibitor

  1. Deaththe patient died; cause not stated by this term17.3%2,365
  2. Falla fall7%957
  3. Vomitingbeing sick5.8%788
  4. Malaisegeneral feeling of being unwell5.5%756
  5. Pneumonialung infection5.1%699
  6. Confusional stateconfusion4.8%661
  7. Nauseafeeling sick4.8%661
  8. Memory impairmentmemory problems4.1%555
  9. Dizzinesslight-headedness or unsteadiness3.9%529
  10. Drug ineffectivethe medicine did not work as expected3.7%502
  11. Weight decreasedweight loss3.5%475
  12. Astheniaweakness or lack of energy3.4%466
  13. Diarrhoealoose or frequent stools3.2%438
  14. Hallucinationseeing or hearing things that are not there3.1%425
  15. Dementiadementia3%405
  16. Agitationrestlessness2.9%400
  17. Application site erythemaredness where the product was applied2.9%394
  18. Gait disturbancedifficulty walking2.8%389
  19. Urinary tract infectionbladder or urinary infection2.8%382
  20. Aggressionaggressive behaviour2.7%373
  21. Somnolencedrowsiness2.5%348
  22. Decreased appetitereduced appetite2.5%345
  23. General physical health deteriorationgeneral decline in health2.4%327
  24. Dyspnoeashortness of breath2.3%315
  25. Condition aggravatedthe condition being treated got worse2.3%309
  26. Tremorshaking2.2%295
  27. Application site pruritusitching where the product was applied2.1%291
  28. Dysphagiadifficulty swallowing2.1%289

Top 30 of 1,094 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 8 drugs in the cholinesterase inhibitor 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

Death34%4,649
Life-threatening3.1%418
Hospitalisation (initial or prolonged)30.9%4,225
Disability1.8%243
Congenital anomaly0%0
Other serious50.4%6,891
Not serious7.4%1,014

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 25,719 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

Patient age

Under 20%3
2 to 110%2
12 to 170%1
18 to 440.1%20
45 to 642%270
65 to 747.1%972
75 and over35.8%4,896
Age not given54.9%7,499

Patient sex

Female56%7,656
Male39.6%5,405
Not given4.4%602

Who reported

Physician25.8%3,530
Pharmacist5%689
Other health professional12.4%1,695
Lawyer0%0
Consumer or non-health professional52.6%7,185
Not given4.1%564

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 22.1% of reports give the United States as the country of the event or reporter.

Reason for use recorded

Indication as recorded (MedDRA)ReportsShare
Dementia alzheimer's type2,89021.2%
Dementia alzheimer's type1,76312.9%
Dementia1,1638.5%
Memory impairment4523.3%
Parkinson's disease1761.3%
Amnesia1381%

The indication field is filled in by the reporter and is often blank; shares are of all 13,663 reports.

Drugs most often listed in the same reports

Drug (any role in the report)ReportsShare of Exelon reports
Aspirin2792%
Seroquel1661.2%
Omeprazole1551.1%
Simvastatin1491.1%
Lipitor1050.8%
Amlodipine1040.8%
Risperdal1030.8%
Atenolol1020.7%
Kardegic980.7%
Aricept890.7%

Other products listed in reports where Exelon is a suspect product, whatever their own role. Co-listing means the two were recorded together; it says nothing about either product's part in the event. Only the 2,500 most-reported names are counted here.

In context

MeasureExelonCholinesterase inhibitorAll reports
Reports as suspect product13,66325,71920,646,523
Share of that pool—53.1%0.1%
Reports, latest 12 months265—1,332,454
Marked serious92.6%88.6%57.4%
Death recorded among outcomes, per 1,000 reports34023091
Hospitalisation recorded, per 1,000 reports309369213
Consumer-filed share52.6%38.7%45.8%
Top term, share of reportsDeath 17.3%median 1.2%4.1%

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 cholinesterase inhibitor class

DrugName typeReportsLatest 12 monthsMarked serious
Ariceptbrand4,0434383.2%
Rivastigminegeneric2,60225776.4%
Donepezil hydrochloridegeneric1,56913692%
Galantamine hydrobromidegeneric1,1632896.7%
Mestinonbrand9604971.7%
Pyridostigminebrand93015384.5%
Galantaminegeneric7893795.1%

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.

Questions about Exelon reports

How many adverse event reports has FDA received for Exelon?

13,663 reports list Exelon as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 265 of them arrived in the latest 12 months. Another 4,022 list it only as a concomitant medication.

What reactions are recorded in Exelon reports?

death (17.3%), fall (7%), vomiting (5.8%), malaise (5.5%) and pneumonia (5.1%). These are MedDRA preferred terms coded from what the reporter described; a report can list several, and a term's presence is not a finding that Exelon was responsible.

How serious are the reports?

92.6% are marked serious by the reporter. Among the outcomes recorded, 34% of reports include death and 30.9% include hospitalisation. FDA has not verified these outcomes and states that the reports "cannot be used to estimate the incidence" of the events.

Who files these reports?

consumer or non-health professional (52.6%), physician (25.8%) and other health professional (12.4%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for Exelon rising?

265 reports in the 12 months to June 2026, up 26% from 210 in the 12 months before. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases. Counts also move with how many people take a product, its time on the market and publicity.

Do these reports show that Exelon was responsible for these reactions?

No. FDA states that "a causal relationship cannot be established between product and reactions listed in a report" and that for any given report "there is no certainty that a suspected drug caused the event." The reaction may relate to the condition being treated, to other medicines, or to something else.

Is this a list of the side effects of Exelon?

No. It is a count of what was reported to FDA. The adverse reactions observed in clinical studies are printed on the FDA-approved label, which a pharmacist or clinician can go through with you.

How do I report an adverse event?

Consumers and health professionals can report to FDA through MedWatch (Form FDA 3500 online, or 1-800-FDA-1088), or to the manufacturer, which must pass reports on. See the guide on how to report.

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 Exelon as a suspect or interacting product; reports listing it only as a concomitant medication (4,022) 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.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.