ESTRADIOL GEL 0.1%

45/100 · Moderate

Manufactured by ANI Pharmaceuticals, Inc.

Low to Moderate Safety Profile for Estradiol Gel 0.1% with Common Adverse Events

79,046 FDA adverse event reports analyzed

Last updated: 2026-05-12

About ESTRADIOL GEL 0.1%

ESTRADIOL GEL 0.1% is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by ANI Pharmaceuticals, Inc.. Based on analysis of 79,046 FDA adverse event reports, ESTRADIOL GEL 0.1% has a safety score of 45 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 ESTRADIOL GEL 0.1% include DRUG INEFFECTIVE, NAUSEA, FATIGUE, HEADACHE, OFF LABEL USE. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for ESTRADIOL GEL 0.1%.

AI Safety Analysis

Estradiol Gel 0.1% has a safety concern score of 45 out of 100, placing it in the moderate concern category based on analysis of FDA adverse event data. The FDA has received approximately 79,046 adverse event reports for this medication, which is primarily manufactured by Ani Pharmaceuticals, Inc..

The most commonly reported adverse events include Drug Ineffective, Nausea, Fatigue. Of classified reports, 49.8% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. The most common reactions include nausea, fatigue, and headache, indicating a mild to moderate safety profile.

Serious adverse events account for 49.8% of reports, with conditions like breast cancer and dizziness being notable. The majority of reports are non-serious, with gastrointestinal and dermatological issues being frequent. The drug is primarily used by females, with the majority of reports coming from middle-aged adults.

Patients taking Estradiol Gel 0.1% should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Drug interactions and misuse are reported, including issues with incorrect dose administration and inappropriate schedule of product administration. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 45/100

Estradiol Gel 0.1% received a safety concern score of 45/100 (moderate concern). This is based on a 49.8% serious event ratio across 41,489 classified reports. The score accounts for 79,046 total adverse event reports and 100 distinct reaction types. This moderate score is typical for widely prescribed medications with established safety profiles.

Top Adverse Reactions

DRUG INEFFECTIVE3,428 reports
NAUSEA2,575 reports
FATIGUE2,570 reports
HEADACHE2,544 reports
OFF LABEL USE2,155 reports
PAIN1,868 reports
DIARRHOEA1,748 reports
BREAST CANCER FEMALE1,708 reports
DIZZINESS1,543 reports
ARTHRALGIA1,472 reports
PRODUCT ADHESION ISSUE1,425 reports
DYSPNOEA1,378 reports
RASH1,359 reports
PRURITUS1,331 reports
VOMITING1,223 reports
INSOMNIA1,217 reports
MALAISE1,143 reports
ANXIETY1,140 reports
HOT FLUSH1,108 reports
FEELING ABNORMAL1,041 reports
DEPRESSION1,012 reports
PRODUCT DOSE OMISSION ISSUE1,001 reports
PAIN IN EXTREMITY981 reports
ASTHENIA958 reports
WEIGHT INCREASED919 reports
FALL907 reports
DEVICE ADHESION ISSUE870 reports
CONDITION AGGRAVATED831 reports
BACK PAIN822 reports
WEIGHT DECREASED796 reports
COUGH795 reports
WRONG TECHNIQUE IN PRODUCT USAGE PROCESS781 reports
ALOPECIA765 reports
MUSCLE SPASMS727 reports
URINARY TRACT INFECTION727 reports
MIGRAINE718 reports
ABDOMINAL PAIN701 reports
SINUSITIS701 reports
HYPERSENSITIVITY681 reports
COVID 19675 reports
PRODUCT USE IN UNAPPROVED INDICATION674 reports
INJECTION SITE PAIN661 reports
PNEUMONIA660 reports
DRUG HYPERSENSITIVITY658 reports
CONSTIPATION654 reports
PARAESTHESIA643 reports
PRODUCT QUALITY ISSUE638 reports
HYPERTENSION629 reports
ABDOMINAL PAIN UPPER613 reports
BREAST CANCER607 reports
PYREXIA606 reports
ABDOMINAL DISCOMFORT602 reports
GAIT DISTURBANCE589 reports
URTICARIA583 reports
CHEST PAIN577 reports
DRUG INTERACTION575 reports
PRODUCT USE ISSUE573 reports
INCORRECT DOSE ADMINISTERED561 reports
HYPERHIDROSIS545 reports
HYPOAESTHESIA530 reports
NASOPHARYNGITIS530 reports
MYALGIA524 reports
PALPITATIONS514 reports
SOMNOLENCE506 reports
PERIPHERAL SWELLING495 reports
MEMORY IMPAIRMENT490 reports
BLOOD PRESSURE INCREASED489 reports
VISION BLURRED483 reports
TREMOR480 reports
ABDOMINAL DISTENSION478 reports
DECREASED APPETITE469 reports
ERYTHEMA460 reports
BRONCHITIS457 reports
CHRONIC KIDNEY DISEASE448 reports
INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION439 reports
APPLICATION SITE ERYTHEMA431 reports
GASTROOESOPHAGEAL REFLUX DISEASE421 reports
PRODUCT SUBSTITUTION ISSUE409 reports
ASTHMA405 reports
APPLICATION SITE PRURITUS400 reports
JOINT SWELLING393 reports
NO ADVERSE EVENT393 reports
CONTUSION389 reports
CHEST DISCOMFORT381 reports
MUSCULAR WEAKNESS376 reports
DYSPEPSIA369 reports
OEDEMA PERIPHERAL368 reports
PSORIASIS368 reports
ACUTE KIDNEY INJURY364 reports
FLUSHING363 reports
ILLNESS361 reports
DEVICE ISSUE357 reports
EYE PAIN346 reports
BALANCE DISORDER341 reports
SUICIDAL IDEATION341 reports
VISUAL IMPAIRMENT339 reports
NIGHT SWEATS338 reports
OROPHARYNGEAL PAIN338 reports
SLEEP DISORDER336 reports
RHEUMATOID ARTHRITIS335 reports

Key Safety Signals

  • Breast cancer and female-specific conditions are reported, suggesting potential risks for certain populations.
  • Serious adverse events include respiratory and cardiovascular issues, indicating a need for careful monitoring.
  • Drug interactions and misuse are reported, highlighting the importance of proper usage instructions.

Patient Demographics

Adverse event reports by sex: Female: 38,034, Male: 724, Unknown: 84. The most frequently reported age groups are age 60 (829 reports), age 55 (825 reports), age 53 (806 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 41,489 classified reports for ESTRADIOL GEL 0.1%:

  • Serious: 20,655 reports (49.8%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 20,834 reports (50.2%)
Serious 49.8%Non-Serious 50.2%

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

Female38,034 (97.9%)
Male724 (1.9%)
Unknown84 (0.2%)

Reports by Age

Age 60829 reports
Age 55825 reports
Age 53806 reports
Age 54779 reports
Age 56759 reports
Age 58748 reports
Age 51744 reports
Age 57742 reports
Age 59742 reports
Age 52693 reports
Age 63675 reports
Age 61674 reports
Age 62651 reports
Age 50628 reports
Age 64607 reports
Age 65547 reports
Age 67538 reports
Age 69531 reports
Age 66530 reports
Age 68507 reports

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

Drug Interactions & Warnings

Drug interactions and misuse are reported, including issues with incorrect dose administration and inappropriate schedule of product administration.

What You Should Know

If you are taking Estradiol Gel 0.1%, here are important things to know. The most commonly reported side effects include drug ineffective, nausea, fatigue, headache, off label use. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Follow prescribed usage instructions carefully to avoid adverse events. Report any serious or unusual symptoms to your healthcare provider immediately. 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 of Estradiol Gel 0.1% and advises healthcare providers to report any adverse events.

Frequently Asked Questions

How many adverse event reports has the FDA received for Estradiol Gel 0.1%?

The FDA has received approximately 79,046 adverse event reports associated with Estradiol Gel 0.1%. 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 Estradiol Gel 0.1%?

The most frequently reported adverse events for Estradiol Gel 0.1% include Drug Ineffective, Nausea, Fatigue, Headache, Off Label Use. By volume, the top reported reactions are: Drug Ineffective (3,428 reports), Nausea (2,575 reports), Fatigue (2,570 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Estradiol Gel 0.1%.

What percentage of Estradiol Gel 0.1% adverse event reports are serious?

Out of 41,489 classified reports, 20,655 (49.8%) were classified as serious and 20,834 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 Estradiol Gel 0.1% (by sex)?

Adverse event reports for Estradiol Gel 0.1% break down by patient sex as follows: Female: 38,034, Male: 724, Unknown: 84. 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 Estradiol Gel 0.1%?

The most frequently reported age groups for Estradiol Gel 0.1% adverse events are: age 60: 829 reports, age 55: 825 reports, age 53: 806 reports, age 54: 779 reports, age 56: 759 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 Estradiol Gel 0.1%?

The primary manufacturer associated with Estradiol Gel 0.1% adverse event reports is Ani Pharmaceuticals, 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 Estradiol Gel 0.1%?

Beyond the most common reactions, other reported adverse events for Estradiol Gel 0.1% include: Pain, Diarrhoea, Breast Cancer Female, Dizziness, Arthralgia. 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 Estradiol Gel 0.1%?

You can report adverse events from Estradiol Gel 0.1% 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 Estradiol Gel 0.1%'s safety score and what does it mean?

Estradiol Gel 0.1% has a safety concern score of 45 out of 100 (moderate 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. The most common reactions include nausea, fatigue, and headache, indicating a mild to moderate safety profile.

What are the key safety signals for Estradiol Gel 0.1%?

Key safety signals identified in Estradiol Gel 0.1%'s adverse event data include: Breast cancer and female-specific conditions are reported, suggesting potential risks for certain populations.. Serious adverse events include respiratory and cardiovascular issues, indicating a need for careful monitoring.. Drug interactions and misuse are reported, highlighting the importance of proper usage instructions.. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Estradiol Gel 0.1% interact with other drugs?

Drug interactions and misuse are reported, including issues with incorrect dose administration and inappropriate schedule of product administration. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Estradiol Gel 0.1%.

What should patients know before taking Estradiol Gel 0.1%?

Follow prescribed usage instructions carefully to avoid adverse events. Report any serious or unusual symptoms to your healthcare provider immediately.

Are Estradiol Gel 0.1% side effects well-documented?

Estradiol Gel 0.1% has 79,046 adverse event reports on file with the FDA. Serious adverse events account for 49.8% of reports, with conditions like breast cancer and dizziness being notable. The volume of reports for Estradiol Gel 0.1% reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Estradiol Gel 0.1%?

The FDA continues to monitor the safety of Estradiol Gel 0.1% and advises healthcare providers to report any adverse events. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

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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.