TERAZOSIN HYDROCHLORIDE

75/100 · Elevated

Manufactured by Jubilant Cadista Pharmacuticals Inc.

High Fatigue and Dyspnoea Reports for Trazodone Hydrochloride

16,956 FDA adverse event reports analyzed

Last updated: 2026-05-12

About TERAZOSIN HYDROCHLORIDE

TERAZOSIN HYDROCHLORIDE is a medication tracked in the FDA Adverse Event Reporting System (FAERS), manufactured by Jubilant Cadista Pharmacuticals Inc.. Based on analysis of 16,956 FDA adverse event reports, TERAZOSIN HYDROCHLORIDE has a safety score of 75 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 TERAZOSIN HYDROCHLORIDE include DRUG INEFFECTIVE, FATIGUE, DYSPNOEA, DIARRHOEA, DIZZINESS. This page provides a comprehensive breakdown of reported side effects, safety signals, patient demographics, and AI-powered safety analysis for TERAZOSIN HYDROCHLORIDE.

AI Safety Analysis

Terazosin Hydrochloride has a safety concern score of 75 out of 100, placing it in the elevated concern category based on analysis of FDA adverse event data. The FDA has received approximately 16,956 adverse event reports for this medication, which is primarily manufactured by Jubilant Cadista Pharmacuticals Inc..

The most commonly reported adverse events include Drug Ineffective, Fatigue, Dyspnoea. Of classified reports, 69.2% were designated as serious by the FDA, meaning they involved hospitalization, disability, or other significant medical outcomes. Fatigue and dyspnoea are the most common adverse reactions reported.

Serious adverse events, such as death and acute kidney injury, are concerning. Drug interactions and falls are also frequently reported. Chronic kidney disease and renal failure are significant concerns.

Patients taking Terazosin Hydrochloride should monitor for the commonly reported side effects and contact their healthcare provider if they experience any unusual symptoms. Trazodone hydrochloride can cause hypotension and syncope, which may lead to falls. It is important to monitor blood pressure and be cautious when initiating or adjusting the dose. This analysis is based on voluntary FDA adverse event reports and should not replace professional medical advice.

Safety Score: 75/100

Terazosin Hydrochloride received a safety concern score of 75/100 (elevated concern). This is based on a 69.2% serious event ratio across 8,665 classified reports. The score accounts for 16,956 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

DRUG INEFFECTIVE536 reports
FATIGUE531 reports
DYSPNOEA489 reports
DIARRHOEA451 reports
DIZZINESS448 reports
ASTHENIA406 reports
DEATH371 reports
ACUTE KIDNEY INJURY356 reports
OFF LABEL USE348 reports
FALL340 reports
NAUSEA336 reports
CHRONIC KIDNEY DISEASE332 reports
RENAL FAILURE329 reports
PAIN322 reports
PNEUMONIA312 reports
HYPOTENSION298 reports
HEADACHE296 reports
CONSTIPATION244 reports
MALAISE238 reports
WEIGHT DECREASED233 reports
BLOOD PRESSURE INCREASED220 reports
RASH220 reports
ARTHRALGIA219 reports
HYPERTENSION217 reports
PAIN IN EXTREMITY215 reports
COUGH211 reports
DECREASED APPETITE200 reports
VOMITING189 reports
ANAEMIA187 reports
GASTROINTESTINAL HAEMORRHAGE180 reports
PRURITUS180 reports
BACK PAIN176 reports
DRUG INTERACTION174 reports
ANXIETY161 reports
CHEST PAIN157 reports
PYREXIA155 reports
MYOCARDIAL INFARCTION154 reports
INSOMNIA151 reports
CEREBROVASCULAR ACCIDENT150 reports
SYNCOPE149 reports
URINARY TRACT INFECTION145 reports
ATRIAL FIBRILLATION142 reports
END STAGE RENAL DISEASE139 reports
CONDITION AGGRAVATED138 reports
DEPRESSION135 reports
GAIT DISTURBANCE135 reports
OEDEMA PERIPHERAL135 reports
MUSCLE SPASMS132 reports
CONFUSIONAL STATE131 reports
PERIPHERAL SWELLING130 reports
HAEMOGLOBIN DECREASED124 reports
WEIGHT INCREASED123 reports
DEHYDRATION121 reports
ABDOMINAL PAIN UPPER119 reports
ABDOMINAL DISCOMFORT116 reports
CHEST DISCOMFORT116 reports
BLOOD GLUCOSE INCREASED113 reports
COVID 19112 reports
VISION BLURRED111 reports
DRUG DOSE OMISSION108 reports
FEELING ABNORMAL108 reports
NASOPHARYNGITIS108 reports
LOSS OF CONSCIOUSNESS107 reports
DRUG HYPERSENSITIVITY106 reports
ABDOMINAL PAIN103 reports
HYPOAESTHESIA101 reports
MUSCULAR WEAKNESS100 reports
PRODUCT USE ISSUE99 reports
SOMNOLENCE99 reports
CARDIAC FAILURE CONGESTIVE98 reports
TREMOR98 reports
MYALGIA95 reports
WHEEZING94 reports
BLOOD CREATININE INCREASED93 reports
HYPERKALAEMIA93 reports
RENAL IMPAIRMENT93 reports
HYPERHIDROSIS92 reports
ASTHMA90 reports
BRADYCARDIA90 reports
INCORRECT DOSE ADMINISTERED90 reports
SEPSIS88 reports
MEMORY IMPAIRMENT86 reports
RENAL INJURY86 reports
JOINT SWELLING85 reports
DYSURIA83 reports
CONTUSION82 reports
EPISTAXIS82 reports
BALANCE DISORDER80 reports
PARAESTHESIA80 reports
PRODUCT DOSE OMISSION ISSUE80 reports
DYSPEPSIA79 reports
NEUROPATHY PERIPHERAL78 reports
PLEURAL EFFUSION78 reports
GASTROOESOPHAGEAL REFLUX DISEASE77 reports
PLATELET COUNT DECREASED77 reports
HALLUCINATION76 reports
THROMBOCYTOPENIA75 reports
DIABETES MELLITUS74 reports
NEPHROGENIC ANAEMIA74 reports
CARDIAC FAILURE73 reports

Key Safety Signals

  • Frequent reports of fatigue and dyspnoea
  • High number of serious adverse events including death and acute kidney injury
  • Common drug interactions and falls
  • Significant reports of chronic kidney disease and renal failure

Patient Demographics

Adverse event reports by sex: Male: 6,839, Female: 1,225, Unknown: 10. The most frequently reported age groups are age 77 (223 reports), age 69 (221 reports), age 80 (218 reports). These demographics reflect reporting patterns and may not represent the full patient population.

Report Outcomes

Out of 8,665 classified reports for TERAZOSIN HYDROCHLORIDE:

  • Serious: 5,992 reports (69.2%) — includes hospitalization, disability, life-threatening events, or death
  • Non-Serious: 2,673 reports (30.8%)
Serious 69.2%Non-Serious 30.8%

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

Male6,839 (84.7%)
Female1,225 (15.2%)
Unknown10 (0.1%)

Reports by Age

Age 77223 reports
Age 69221 reports
Age 80218 reports
Age 67211 reports
Age 71211 reports
Age 79200 reports
Age 70199 reports
Age 75199 reports
Age 74196 reports
Age 72190 reports
Age 65186 reports
Age 76185 reports
Age 78178 reports
Age 64175 reports
Age 66175 reports
Age 68172 reports
Age 82165 reports
Age 81163 reports
Age 73162 reports
Age 63146 reports

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

Drug Interactions & Warnings

Trazodone hydrochloride can cause hypotension and syncope, which may lead to falls. It is important to monitor blood pressure and be cautious when initiating or adjusting the dose.

What You Should Know

If you are taking Terazosin Hydrochloride, here are important things to know. The most commonly reported side effects include drug ineffective, fatigue, dyspnoea, diarrhoea, dizziness. While many of these may be mild and temporary, you should contact your healthcare provider if any symptoms are severe or persistent. Monitor for signs of hypotension and syncope, especially in elderly patients. Be cautious when adjusting the dose and monitor for any changes in kidney function. 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 has not issued any specific warnings for Trazodone hydrochloride based on this data, but patients should be aware of the potential for serious adverse events and report any unusual symptoms to their healthcare provider.

Frequently Asked Questions

How many adverse event reports has the FDA received for Terazosin Hydrochloride?

The FDA has received approximately 16,956 adverse event reports associated with Terazosin Hydrochloride. 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 Terazosin Hydrochloride?

The most frequently reported adverse events for Terazosin Hydrochloride include Drug Ineffective, Fatigue, Dyspnoea, Diarrhoea, Dizziness. By volume, the top reported reactions are: Drug Ineffective (536 reports), Fatigue (531 reports), Dyspnoea (489 reports). These figures reflect FDA adverse event reports and may not represent the true incidence rate of these side effects in all patients taking Terazosin Hydrochloride.

What percentage of Terazosin Hydrochloride adverse event reports are serious?

Out of 8,665 classified reports, 5,992 (69.2%) were classified as serious and 2,673 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 Terazosin Hydrochloride (by sex)?

Adverse event reports for Terazosin Hydrochloride break down by patient sex as follows: Male: 6,839, Female: 1,225, Unknown: 10. 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 Terazosin Hydrochloride?

The most frequently reported age groups for Terazosin Hydrochloride adverse events are: age 77: 223 reports, age 69: 221 reports, age 80: 218 reports, age 67: 211 reports, age 71: 211 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 Terazosin Hydrochloride?

The primary manufacturer associated with Terazosin Hydrochloride adverse event reports is Jubilant Cadista Pharmacuticals 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 Terazosin Hydrochloride?

Beyond the most common reactions, other reported adverse events for Terazosin Hydrochloride include: Asthenia, Death, Acute Kidney Injury, Off Label Use, Fall. 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 Terazosin Hydrochloride?

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

Terazosin Hydrochloride has a safety concern score of 75 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. Fatigue and dyspnoea are the most common adverse reactions reported.

What are the key safety signals for Terazosin Hydrochloride?

Key safety signals identified in Terazosin Hydrochloride's adverse event data include: Frequent reports of fatigue and dyspnoea. High number of serious adverse events including death and acute kidney injury. Common drug interactions and falls. Significant reports of chronic kidney disease and renal failure. These signals are derived from patterns in FDA reports and should be discussed with a healthcare provider for personalized assessment.

Does Terazosin Hydrochloride interact with other drugs?

Trazodone hydrochloride can cause hypotension and syncope, which may lead to falls. It is important to monitor blood pressure and be cautious when initiating or adjusting the dose. Always inform your healthcare provider about all medications, supplements, and over-the-counter drugs you are taking before starting Terazosin Hydrochloride.

What should patients know before taking Terazosin Hydrochloride?

Monitor for signs of hypotension and syncope, especially in elderly patients. Be cautious when adjusting the dose and monitor for any changes in kidney function.

Are Terazosin Hydrochloride side effects well-documented?

Terazosin Hydrochloride has 16,956 adverse event reports on file with the FDA. Serious adverse events, such as death and acute kidney injury, are concerning. The volume of reports for Terazosin Hydrochloride reflects both the drug's usage level and the vigilance of the reporting community.

What is the FDA's position on Terazosin Hydrochloride?

The FDA has not issued any specific warnings for Trazodone hydrochloride based on this data, but patients should be aware of the potential for serious adverse events and report any unusual symptoms to their healthcare provider. For the most current regulatory information, check the FDA's drug labeling database or consult your pharmacist.

Related Drugs

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

FallsDrug InteractionsHypotensionAcute Kidney InjuryChronic Kidney Disease
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.