AMOXICILLIN

72/100 · Elevated

Manufactured by American Health Packaging

Amoxicillin Adverse Events: Chronic Kidney Disease and Acute Kidney Injury Most Common

142,723 FDA adverse event reports analyzed

Last updated: 2026-05-12

About AMOXICILLIN

AMOXICILLIN is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by American Health Packaging. Based on analysis of 142,723 FDA adverse event reports, AMOXICILLIN has a safety score of 72 out of 100. This score indicates a relatively favorable safety profile, with fewer or less severe adverse events compared to many other tracked medications. The most commonly reported adverse reactions for AMOXICILLIN include CHRONIC KIDNEY DISEASE, ACUTE KIDNEY INJURY, DIARRHOEA, DRUG HYPERSENSITIVITY, NAUSEA. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for AMOXICILLIN.

AI Safety Analysis

Amoxicillin has a safety concern score of 72 out of 100, placing it in the elevated concern category based on analysis of FDA adverse event data. The FDA has received approximately 142,723 adverse event reports for this medication, which is primarily manufactured by American Health Packaging.

The most commonly reported adverse events include Chronic Kidney Disease, Acute Kidney Injury, Diarrhoea. Of classified reports, 80.4% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. Chronic kidney disease and acute kidney injury are the most frequently reported serious adverse events.

Diarrhea and nausea are among the most common non-serious adverse events. Drug hypersensitivity reactions are also a significant concern, with a high number of reports.

Patients taking Amoxicillin should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Amoxicillin can cause kidney-related adverse events, including chronic and acute kidney disease, and renal failure. Patients with pre-existing kidney conditions should be monitored closely. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 72/100

Amoxicillin received a safety concern score of 72/100 (elevated concern). This is based on a 80.4% serious event ratio across 73,383 classified reports. The score accounts for 142,723 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

CHRONIC KIDNEY DISEASE4,661 reports
ACUTE KIDNEY INJURY4,200 reports
DIARRHOEA4,082 reports
DRUG HYPERSENSITIVITY3,743 reports
NAUSEA3,700 reports
DYSPNOEA3,625 reports
PAIN3,568 reports
RASH3,538 reports
FATIGUE3,270 reports
RENAL FAILURE3,043 reports
DRUG INEFFECTIVE2,980 reports
OFF LABEL USE2,905 reports
VOMITING2,875 reports
HEADACHE2,807 reports
PRURITUS2,801 reports
PYREXIA2,648 reports
MALAISE2,581 reports
ANXIETY2,322 reports
DIZZINESS2,187 reports
URTICARIA2,093 reports
PNEUMONIA2,069 reports
ASTHENIA1,859 reports
ERYTHEMA1,796 reports
ABDOMINAL PAIN1,752 reports
HYPERSENSITIVITY1,726 reports
COUGH1,716 reports
ARTHRALGIA1,677 reports
WEIGHT DECREASED1,582 reports
DEPRESSION1,452 reports
CONDITION AGGRAVATED1,419 reports
END STAGE RENAL DISEASE1,391 reports
INSOMNIA1,381 reports
DRUG INTERACTION1,380 reports
PAIN IN EXTREMITY1,374 reports
BACK PAIN1,352 reports
FALL1,282 reports
SINUSITIS1,278 reports
DEATH1,270 reports
ANAEMIA1,258 reports
GASTROOESOPHAGEAL REFLUX DISEASE1,185 reports
EMOTIONAL DISTRESS1,174 reports
CONSTIPATION1,171 reports
ABDOMINAL PAIN UPPER1,148 reports
DECREASED APPETITE1,139 reports
URINARY TRACT INFECTION1,134 reports
HYPERTENSION1,075 reports
HYPOTENSION1,075 reports
CHEST PAIN1,061 reports
ANAPHYLACTIC REACTION1,056 reports
GAIT DISTURBANCE1,003 reports
ANGIOEDEMA995 reports
INFECTION963 reports
SWELLING FACE958 reports
NASOPHARYNGITIS957 reports
MYALGIA931 reports
DRUG REACTION WITH EOSINOPHILIA AND SYSTEMIC SYMPTOMS928 reports
OEDEMA PERIPHERAL904 reports
RENAL INJURY900 reports
RASH MACULO PAPULAR898 reports
CONFUSIONAL STATE893 reports
FEELING ABNORMAL863 reports
TREMOR851 reports
PARAESTHESIA841 reports
PRODUCT USE IN UNAPPROVED INDICATION827 reports
ABDOMINAL DISCOMFORT823 reports
PERIPHERAL SWELLING821 reports
WEIGHT INCREASED813 reports
SOMNOLENCE800 reports
PRODUCT DOSE OMISSION ISSUE784 reports
INJURY783 reports
MUSCLE SPASMS767 reports
DEHYDRATION764 reports
TUBULOINTERSTITIAL NEPHRITIS760 reports
MATERNAL EXPOSURE DURING PREGNANCY752 reports
ANAPHYLACTIC SHOCK750 reports
OROPHARYNGEAL PAIN730 reports
HYPOAESTHESIA728 reports
DYSPEPSIA709 reports
ANHEDONIA701 reports
DYSPHAGIA696 reports
COVID 19691 reports
WHEEZING680 reports
SEPSIS676 reports
BLOOD PRESSURE INCREASED675 reports
ASTHMA671 reports
NEUTROPENIA667 reports
NEPHROGENIC ANAEMIA657 reports
BRONCHITIS656 reports
PALPITATIONS652 reports
CHEST DISCOMFORT648 reports
RENAL IMPAIRMENT648 reports
PULMONARY EMBOLISM647 reports
THROMBOCYTOPENIA630 reports
GENERAL PHYSICAL HEALTH DETERIORATION627 reports
MUSCULOSKELETAL STIFFNESS626 reports
CHILLS625 reports
FOETAL EXPOSURE DURING PREGNANCY624 reports
RASH PRURITIC624 reports
LOWER RESPIRATORY TRACT INFECTION623 reports
HAEMOGLOBIN DECREASED622 reports

Key Safety Signals

  • Chronic kidney disease and acute kidney injury
  • Drug hypersensitivity reactions
  • Renal failure and renal impairment

Patient Demographics

Adverse event reports by sex: Female: 40,254, Male: 26,755, Unknown: 195. The most frequently reported age groups are age 67 (1,036 reports), age 71 (1,031 reports), age 66 (1,020 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 73,383 classified reports for AMOXICILLIN:

  • Serious: 59,004 reports (80.4%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 14,379 reports (19.6%)
Serious 80.4%Non-Serious 19.6%

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

Female40,254 (59.9%)
Male26,755 (39.8%)
Unknown195 (0.3%)

Reports by Age

Age 671,036 reports
Age 711,031 reports
Age 661,020 reports
Age 621,002 reports
Age 60999 reports
Age 65999 reports
Age 61998 reports
Age 72992 reports
Age 75992 reports
Age 69987 reports
Age 68974 reports
Age 63970 reports
Age 59955 reports
Age 64949 reports
Age 55911 reports
Age 70903 reports
Age 74886 reports
Age 57879 reports
Age 56849 reports
Age 73841 reports

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

Drug Interactions & Warnings

Amoxicillin can cause kidney-related adverse events, including chronic and acute kidney disease, and renal failure. Patients with pre-existing kidney conditions should be monitored closely.

What You Should Know

If you are taking Amoxicillin, here are important things to know. The most commonly reported side effects include chronic kidney disease, acute kidney injury, diarrhoea, drug hypersensitivity, nausea. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Patients should report any signs of kidney problems, such as decreased urination or swelling, to their healthcare provider. Follow prescribed dosages and do not exceed recommended usage to minimize the risk of adverse reactions. 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 amoxicillin, and regulatory actions may be taken if new safety concerns arise.

Frequently Asked Questions

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

The FDA has received approximately 142,723 adverse event reports associated with Amoxicillin. 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 Amoxicillin?

The most frequently reported adverse events for Amoxicillin include Chronic Kidney Disease, Acute Kidney Injury, Diarrhoea, Drug Hypersensitivity, Nausea. By volume, the top reported reactions are: Chronic Kidney Disease (4,661 reports), Acute Kidney Injury (4,200 reports), Diarrhoea (4,082 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Amoxicillin.

What percentage of Amoxicillin adverse event reports are serious?

Out of 73,383 classified reports, 59,004 (80.4%) were classified as serious and 14,379 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 Amoxicillin (by sex)?

Adverse event reports for Amoxicillin break down by patient sex as follows: Female: 40,254, Male: 26,755, Unknown: 195. 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 Amoxicillin?

The most frequently reported age groups for Amoxicillin adverse events are: age 67: 1,036 reports, age 71: 1,031 reports, age 66: 1,020 reports, age 62: 1,002 reports, age 60: 999 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 Amoxicillin?

The primary manufacturer associated with Amoxicillin adverse event reports is American Health Packaging. 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 Amoxicillin?

Beyond the most common reactions, other reported adverse events for Amoxicillin include: Dyspnoea, Pain, Rash, Fatigue, Renal Failure. 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 Amoxicillin?

You can report adverse events from Amoxicillin 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 Amoxicillin's safety score and what does it mean?

Amoxicillin has a safety concern score of 72 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. Chronic kidney disease and acute kidney injury are the most frequently reported serious adverse events.

What are the key safety signals for Amoxicillin?

Key safety signals identified in Amoxicillin's adverse event data include: Chronic kidney disease and acute kidney injury. Drug hypersensitivity reactions. Renal failure and renal impairment. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Amoxicillin interact with other drugs?

Amoxicillin can cause kidney-related adverse events, including chronic and acute kidney disease, and renal failure. Patients with pre-existing kidney conditions should be monitored closely. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Amoxicillin.

What should patients know before taking Amoxicillin?

Patients should report any signs of kidney problems, such as decreased urination or swelling, to their healthcare provider. Follow prescribed dosages and do not exceed recommended usage to minimize the risk of adverse reactions.

Are Amoxicillin side effects well-documented?

Amoxicillin has 142,723 adverse event reports on file with the FDA. Diarrhea and nausea are among the most common non-serious adverse events. The volume of reports for Amoxicillin reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Amoxicillin?

The FDA continues to monitor the safety of amoxicillin, and regulatory actions may be taken if new safety concerns arise. 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.