APREMILAST

65/100 · Elevated

Manufactured by Amgen, Inc

Apremilast Adverse Events: Common Gastrointestinal and Musculoskeletal Issues

370,200 FDA adverse event reports analyzed

Last updated: 2026-05-12

About APREMILAST

APREMILAST is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Amgen, Inc. Based on analysis of 370,200 FDA adverse event reports, APREMILAST has a safety score of 65 out of 100. This moderate score indicates a notable volume of adverse event reports that patients and providers should be aware of. The most commonly reported adverse reactions for APREMILAST include DIARRHOEA, NAUSEA, PSORIASIS, HEADACHE, DRUG INEFFECTIVE. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for APREMILAST.

AI Safety Analysis

Apremilast has a safety concern score of 65 out of 100, placing it in the elevated concern category based on analysis of FDA adverse event data. The FDA has received approximately 370,200 adverse event reports for this medication, which is primarily manufactured by Amgen, Inc.

The most commonly reported adverse events include Diarrhoea, Nausea, Psoriasis. Of classified reports, 23.0% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. Gastrointestinal issues like diarrhea and nausea are the most common adverse events.

Musculoskeletal pain and arthralgia are frequently reported, indicating potential joint-related side effects. Serious adverse events account for 23% of all reports, with gastrointestinal and psychiatric issues being the most severe.

Patients taking Apremilast should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Apremilast can cause gastrointestinal issues such as diarrhea and nausea, and musculoskeletal pain. Patients should be monitored for these side effects, and alternative treatments may be considered if adverse reactions are severe. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 65/100

Apremilast received a safety concern score of 65/100 (elevated concern). This is based on a 23.0% serious event ratio across 143,161 classified reports. The score accounts for 370,200 total adverse event reports and 100 distinct reaction types. This elevated score indicates a notable proportion of serious adverse events and warrants careful monitoring.

Top Adverse Reactions

DIARRHOEA24,315 reports
NAUSEA21,927 reports
PSORIASIS20,247 reports
HEADACHE17,679 reports
DRUG INEFFECTIVE15,315 reports
ABDOMINAL DISCOMFORT8,065 reports
PSORIATIC ARTHROPATHY7,852 reports
PAIN6,595 reports
RASH6,479 reports
VOMITING6,346 reports
ARTHRALGIA6,226 reports
FATIGUE6,026 reports
DEPRESSION5,414 reports
OFF LABEL USE5,024 reports
WEIGHT DECREASED4,955 reports
ABDOMINAL PAIN UPPER4,760 reports
PRODUCT DOSE OMISSION ISSUE4,674 reports
PRODUCT DOSE OMISSION4,594 reports
MALAISE4,477 reports
PRURITUS4,143 reports
DECREASED APPETITE3,744 reports
CONDITION AGGRAVATED3,708 reports
THERAPY NON RESPONDER3,592 reports
DIZZINESS3,311 reports
ADVERSE DRUG REACTION3,278 reports
INSOMNIA3,273 reports
JOINT SWELLING3,242 reports
NASOPHARYNGITIS3,213 reports
ALOPECIA3,176 reports
RHEUMATOID ARTHRITIS3,168 reports
HYPERTENSION2,947 reports
PAIN IN EXTREMITY2,899 reports
ARTHROPATHY2,874 reports
DRUG INTOLERANCE2,864 reports
GASTROINTESTINAL DISORDER2,864 reports
SYNOVITIS2,825 reports
INFECTION2,812 reports
HYPERSENSITIVITY2,805 reports
MUSCULOSKELETAL STIFFNESS2,754 reports
GENERAL PHYSICAL HEALTH DETERIORATION2,712 reports
PERIPHERAL SWELLING2,596 reports
HYPOAESTHESIA2,574 reports
PNEUMONIA2,511 reports
DRUG DOSE OMISSION2,500 reports
THERAPEUTIC PRODUCT EFFECT DECREASED2,478 reports
HEPATIC ENZYME INCREASED2,453 reports
SWELLING2,452 reports
TREATMENT FAILURE2,438 reports
SYSTEMIC LUPUS ERYTHEMATOSUS2,431 reports
MOBILITY DECREASED2,425 reports
INFUSION RELATED REACTION2,420 reports
DRUG HYPERSENSITIVITY2,399 reports
DYSPEPSIA2,392 reports
MIGRAINE2,386 reports
SINUSITIS2,380 reports
WOUND2,324 reports
URTICARIA2,320 reports
DYSPNOEA2,303 reports
GLOSSODYNIA2,299 reports
TYPE 2 DIABETES MELLITUS2,284 reports
HAND DEFORMITY2,262 reports
DISCOMFORT2,247 reports
MUSCLE SPASMS2,148 reports
ASTHENIA2,133 reports
BLOOD CHOLESTEROL INCREASED2,120 reports
WEIGHT INCREASED2,119 reports
FIBROMYALGIA2,110 reports
PERICARDITIS2,096 reports
PEMPHIGUS2,071 reports
BLISTER2,038 reports
RHEUMATIC FEVER2,026 reports
ANXIETY1,988 reports
MEMORY IMPAIRMENT1,984 reports
DUODENAL ULCER PERFORATION1,979 reports
HELICOBACTER INFECTION1,968 reports
ANTI CYCLIC CITRULLINATED PEPTIDE ANTIBODY POSITIVE1,957 reports
THERAPEUTIC PRODUCT EFFECT INCOMPLETE1,941 reports
PYREXIA1,908 reports
FOLLICULITIS1,905 reports
INJURY1,898 reports
IRRITABLE BOWEL SYNDROME1,881 reports
STOMATITIS1,872 reports
SLEEP DISORDER1,859 reports
CONFUSIONAL STATE1,838 reports
IMPAIRED HEALING1,801 reports
ABDOMINAL PAIN1,792 reports
WHEEZING1,788 reports
INFLAMMATION1,768 reports
OSTEOARTHRITIS1,711 reports
RHEUMATOID FACTOR POSITIVE1,659 reports
MATERNAL EXPOSURE DURING PREGNANCY1,643 reports
CONTRAINDICATED PRODUCT ADMINISTERED1,632 reports
PRODUCT USE ISSUE1,624 reports
C REACTIVE PROTEIN INCREASED1,619 reports
LIVER INJURY1,605 reports
PRODUCT USE IN UNAPPROVED INDICATION1,566 reports
UPPER RESPIRATORY TRACT INFECTION1,540 reports
DRY MOUTH1,536 reports
ARTHRITIS1,522 reports
DEATH1,507 reports

Key Safety Signals

  • Diarrhea and nausea are the most frequently reported reactions.
  • Musculoskeletal pain and arthralgia are significant safety signals.
  • Serious adverse events, particularly gastrointestinal and psychiatric issues, are notable.

Patient Demographics

Adverse event reports by sex: Female: 90,394, Male: 46,320, Unknown: 12. The most frequently reported age groups are age 59 (2,713 reports), age 56 (2,429 reports), age 43 (2,374 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 143,161 classified reports for APREMILAST:

  • Serious: 32,991 reports (23.0%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 110,170 reports (77.0%)
Serious 23.0%Non-Serious 77.0%

The FDA classifies an adverse event as “serious” if it results in death, hospitalization, disability, congenital anomaly, or requires intervention to prevent permanent damage.

Demographics Breakdown

Reports by Sex

Female90,394 (66.1%)
Male46,320 (33.9%)
Unknown12 (0.0%)

Reports by Age

Age 592,713 reports
Age 562,429 reports
Age 432,374 reports
Age 622,362 reports
Age 582,323 reports
Age 602,321 reports
Age 632,321 reports
Age 612,314 reports
Age 542,262 reports
Age 572,253 reports
Age 552,239 reports
Age 642,058 reports
Age 442,000 reports
Age 501,960 reports
Age 531,950 reports
Age 521,886 reports
Age 401,882 reports
Age 511,805 reports
Age 651,711 reports
Age 491,624 reports

Demographics reflect voluntary FDA adverse event reporting patterns and may not represent the full patient population.

Drug Interactions & Warnings

Apremilast can cause gastrointestinal issues such as diarrhea and nausea, and musculoskeletal pain. Patients should be monitored for these side effects, and alternative treatments may be considered if adverse reactions are severe.

What You Should Know

If you are taking Apremilast, here are important things to know. The most commonly reported side effects include diarrhoea, nausea, psoriasis, headache, drug ineffective. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Monitor for gastrointestinal symptoms such as diarrhea and nausea, and consider dose adjustments or alternative treatments if necessary. Be aware of musculoskeletal pain and arthralgia, and report any severe or persistent symptoms to your healthcare provider. If you experience a serious adverse reaction, seek emergency medical attention immediately or call 911. You can report side effects to the FDA's MedWatch program at 1-800-FDA-1088.

Regulatory Context

The FDA continues to monitor the safety profile of Apremilast, and updates are regularly provided to healthcare providers and patients.

Frequently Asked Questions

How many adverse event reports has the FDA received for Apremilast?

The FDA has received approximately 370,200 adverse event reports associated with Apremilast. These reports come from healthcare professionals, consumers, and manufacturers through the FDA Adverse Event Reporting System (FAERS). Note that the number of reports does not directly indicate the frequency of side effects, as adverse events are voluntarily reported and may be underrepresented.

What are the most commonly reported side effects of Apremilast?

The most frequently reported adverse events for Apremilast include Diarrhoea, Nausea, Psoriasis, Headache, Drug Ineffective. By volume, the top reported reactions are: Diarrhoea (24,315 reports), Nausea (21,927 reports), Psoriasis (20,247 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Apremilast.

What percentage of Apremilast adverse event reports are serious?

Out of 143,161 classified reports, 32,991 (23.0%) were classified as serious and 110,170 as non-serious. The FDA classifies an event as "serious" if it results in death, hospitalization, disability, or other medically significant outcomes. A higher serious-event ratio warrants closer attention but does not necessarily mean the drug is unsafe.

Who reports adverse events for Apremilast (by sex)?

Adverse event reports for Apremilast break down by patient sex as follows: Female: 90,394, Male: 46,320, Unknown: 12. This distribution reflects reporting patterns rather than actual risk differences between groups. Reporting rates can be influenced by prescribing patterns, disease demographics, and reporting behavior.

What age groups report the most side effects for Apremilast?

The most frequently reported age groups for Apremilast adverse events are: age 59: 2,713 reports, age 56: 2,429 reports, age 43: 2,374 reports, age 62: 2,362 reports, age 58: 2,323 reports. Age-related reporting patterns can reflect both the demographics of the patient population and potential age-related susceptibility to certain side effects.

Who manufactures Apremilast?

The primary manufacturer associated with Apremilast adverse event reports is Amgen, Inc. Multiple manufacturers may produce generic versions of this drug. The manufacturer listed reflects the most frequently reported brand in FDA adverse event data.

What other side effects have been reported for Apremilast?

Beyond the most common reactions, other reported adverse events for Apremilast include: Abdominal Discomfort, Psoriatic Arthropathy, Pain, Rash, Vomiting. Less common side effects can still be clinically significant. Patients should report any unusual symptoms to their healthcare provider.

How do I report a side effect from Apremilast?

You can report adverse events from Apremilast to the FDA through their MedWatch program at www.fda.gov/medwatch, by calling 1-800-FDA-1088, or by completing Form FDA 3500. Healthcare professionals, consumers, and manufacturers can all submit reports. Reporting helps the FDA monitor drug safety after approval.

What is Apremilast's safety score and what does it mean?

Apremilast has a safety concern score of 65 out of 100 (elevated concern). This score is calculated from the ratio of serious to non-serious adverse events, the diversity of reported reactions, and the overall volume of reports relative to usage. Gastrointestinal issues like diarrhea and nausea are the most common adverse events.

What are the key safety signals for Apremilast?

Key safety signals identified in Apremilast's adverse event data include: Diarrhea and nausea are the most frequently reported reactions.. Musculoskeletal pain and arthralgia are significant safety signals.. Serious adverse events, particularly gastrointestinal and psychiatric issues, are notable.. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Apremilast interact with other drugs?

Apremilast can cause gastrointestinal issues such as diarrhea and nausea, and musculoskeletal pain. Patients should be monitored for these side effects, and alternative treatments may be considered if adverse reactions are severe. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Apremilast.

What should patients know before taking Apremilast?

Monitor for gastrointestinal symptoms such as diarrhea and nausea, and consider dose adjustments or alternative treatments if necessary. Be aware of musculoskeletal pain and arthralgia, and report any severe or persistent symptoms to your healthcare provider.

Are Apremilast side effects well-documented?

Apremilast has 370,200 adverse event reports on file with the FDA. Musculoskeletal pain and arthralgia are frequently reported, indicating potential joint-related side effects. The volume of reports for Apremilast reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Apremilast?

The FDA continues to monitor the safety profile of Apremilast, and updates are regularly provided to healthcare providers and patients. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

Related Drugs

Drugs related to APREMILAST based on therapeutic use, drug class, or shared indications:

COUMADINLANTUSPLAVIXINSULINMETFORMIN
Important Disclaimer: This content is generated by AI analysis of FDA adverse event reports and is provided for informational purposes only. It is not medical advice. Adverse event reports submitted to the FDA do not prove that a medication caused the reported side effect. Always consult your healthcare provider before starting, stopping, or changing any medication. If you experience a serious side effect, contact your doctor or call 911 immediately.