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Alprazolam Side Effects

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Common Alprazolam Side Effects


The most commonly reported Alprazolam side effects (click to view or check a box to report):

Completed Suicide (1341)
Cardiac Arrest (973)
Respiratory Arrest (967)
Poisoning (894)
Death (644)
Toxicity To Various Agents (639)
Cardio-respiratory Arrest (444)
Exposure Via Ingestion (236)
Anxiety (163)
Overdose (140)
Insomnia (94)
Suicide Attempt (85)
Headache (81)
Somnolence (81)
Sopor (79)
Nausea (71)
Dizziness (71)
Intentional Overdose (68)
Depression (67)
Malaise (61)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Alprazolam Side Effects Reported to FDA



Alprazolam Side Effect Report#9999629
Agitation, Delirium
This is a report of a 74-year-old male patient (weight: NA) from AT, suffering from the following health symptoms/conditions: NA, who was treated with Alprazolam (dosage: .5 Milligram Daily; 0.5mg Daily, start time:
Jan 27, 2014), combined with:
  • Transtec 35 Microgramm/h Transdermales Pflaster (35 Microgram/hour)
  • Dogmatil (50 Milligram Daily;)
  • Seroxat (20 Milligram Daily;)
  • Sotahexal (160 Milligram Daily;)
  • Tebofortan
  • Thrombo Ass (100 Milligram Daily;)
  • Vertirosan
  • Amaryl (2 Milligram Daily;)
and developed a serious reaction and side effect(s): Agitation, Delirium after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Alprazolam treatment in male patients, resulting in Agitation side effect. The patient was hospitalized.
Alprazolam Side Effect Report#9993597
Toxicity To Various Agents, Pulmonary Congestion, Pulmonary Oedema, Cardiomegaly, Arteriosclerosis Coronary Artery, Hepatomegaly, Hepatic Steatosis
This report suggests a potential Alprazolam Toxicity To Various Agents side effect(s) that can have serious consequences. A 35-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Alprazolam (dosage: NA) starting NS. After starting Alprazolam the patient began experiencing various side effects, including: Toxicity To Various Agents, Pulmonary Congestion, Pulmonary Oedema, Cardiomegaly, Arteriosclerosis Coronary Artery, Hepatomegaly, Hepatic SteatosisAdditional drugs used concurrently:
  • Fentanyl
  • Diphenhydramine
  • Chlorpromazine
Although Alprazolam demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Toxicity To Various Agents, may still occur.
Alprazolam Side Effect Report#9993353
Hypoxic-ischaemic Encephalopathy, Toxicity To Various Agents, Unresponsive To Stimuli
This Hypoxic-ischaemic Encephalopathy problem was reported by a health professional from US. A 44-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Alprazolam (dosage: NA). The following drugs were being taken at the same time:
  • Fentanyl
  • Methamphetamine
  • Methadone
When using Alprazolam, the patient experienced the following unwanted symptoms/side effects: Hypoxic-ischaemic Encephalopathy, Toxicity To Various Agents, Unresponsive To StimuliAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Hypoxic-ischaemic Encephalopathy, may become evident only after a product is in use by the general population.
Alprazolam Side Effect Report#9991582
Toxicity To Various Agents, Agitation, Metabolic Acidosis, Metabolic Alkalosis
This Toxicity To Various Agents side effect was reported by a health professional from IR. A 27-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Alprazolam (drug dosage: 20 Tablets Of Alprazolam 0.5 Milligram), which was initiated on NS. Concurrently used drugs:
  • Clonazepam (20 Tablets Of Clonazepam 1 Milligram)
  • Clonidine (20 Tablets Of Clonidine 0.1 Milligram)
.After starting to take Alprazolam the consumer reported adverse symptoms, such as: Toxicity To Various Agents, Agitation, Metabolic Acidosis, Metabolic AlkalosisThese side effects may potentially be related to Alprazolam.
Alprazolam Side Effect Report#9990639
Rash, Product Substitution Issue
This is a report of a 62-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Alprazolam (dosage: NA, start time: 2012), combined with: NA. and developed a serious reaction and side effect(s): Rash, Product Substitution Issue after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Alprazolam treatment in female patients, resulting in Rash side effect.
Alprazolam Side Effect Report#9972858
Toxicity To Various Agents
This report suggests a potential Alprazolam Tablets Usp Toxicity To Various Agents side effect(s) that can have serious consequences. A 35-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Alprazolam Tablets Usp (dosage: Unk Mg, Unk) starting NS. After starting Alprazolam Tablets Usp the patient began experiencing various side effects, including: Toxicity To Various AgentsAdditional drugs used concurrently:
  • Chlorpromazine Hcl Tablets Usp (Unk Mg, Unk)
  • Diphenhydramine Hcl Capsules Usp (Unk Mg, Unk)
  • Fentanyl (Unk Df, Unk)
Although Alprazolam Tablets Usp demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Toxicity To Various Agents, may still occur.
Alprazolam Side Effect Report#9969761
Mydriasis, Unresponsive To Stimuli, Sopor
This Mydriasis problem was reported by a pharmacist from IT. A 61-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: intentional self-injury. On
Dec 24, 2013 this consumer started treatment with Alprazolam (dosage: 1 Dosage Forms Daily;). The following drugs were being taken at the same time:
  • Cipralex - Compresse Rivestite Con Film - H. Lundbeck A/s (80 Milligram Daily;)
When using Alprazolam, the patient experienced the following unwanted symptoms/side effects: Mydriasis, Unresponsive To Stimuli, SoporThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Mydriasis, may become evident only after a product is in use by the general population.
Alprazolam Side Effect Report#9967675
Vision Blurred, Muscular Weakness, Amnesia, Tremor
This Vision Blurred side effect was reported by a consumer or non-health professional from PT. A 83-year-old male patient (weight:NA) experienced the following symptoms/conditions: anxiety.The patient was prescribed Alprazolam Mylan (drug dosage: NA), which was initiated on
Jan 31, 2014. Concurrently used drugs:
  • Dormonoct
  • Enalapril Ratiopharm
  • Losartan Mylan
  • Tromalyt
  • Adalat
  • Adalat
  • Moduretic
.After starting to take Alprazolam Mylan the consumer reported adverse symptoms, such as: Vision Blurred, Muscular Weakness, Amnesia, TremorThese side effects may potentially be related to Alprazolam Mylan.
Alprazolam Side Effect Report#9942364
Toxicity To Various Agents, Somnolence
This is a report of a 46-year-old male patient (weight: NA) from IT, suffering from the following health symptoms/conditions: NA, who was treated with Alprazolam (dosage: 5 Mg, Total, start time:
Nov 04, 2013), combined with:
  • Calcium ^sandoz^ (Unk)
and developed a serious reaction and side effect(s): Toxicity To Various Agents, Somnolence after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Alprazolam treatment in male patients, resulting in Toxicity To Various Agents side effect.
Alprazolam Side Effect Report#9920787
Overdose, Disorientation, Sopor, Self Injurious Behaviour
This report suggests a potential Alprazolam Overdose side effect(s) that can have serious consequences. A 64-year-old female patient (weight: NA) from IT was diagnosed with the following symptoms/conditions: NA and used Alprazolam (dosage: NA) starting
Jan 24, 2013. After starting Alprazolam the patient began experiencing various side effects, including: Overdose, Disorientation, Sopor, Self Injurious BehaviourAdditional drugs used concurrently:
  • Lorazepam
The patient was hospitalized. Although Alprazolam demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Overdose, may still occur.
Alprazolam Side Effect Report#9917149
Blood Pressure Increased, Restlessness, Agitation, Visual Impairment
This Blood Pressure Increased problem was reported by a consumer or non-health professional from US. A 79-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: insomnia,hypertension,gastrooesophageal reflux disease. On NS this consumer started treatment with Alprazolam (aellc) (dosage: 0.5 Df, Bid). The following drugs were being taken at the same time:
  • Metoprolol (1 Df, Daily)
  • Prilosec /00661201/ (1 Df, Daily)
  • Multivitamin /00097801/ (1 Df, Daily)
  • Calcium + Vitamin D /01483701/ (1 Df, Daily)
When using Alprazolam (aellc), the patient experienced the following unwanted symptoms/side effects: Blood Pressure Increased, Restlessness, Agitation, Visual ImpairmentAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Blood Pressure Increased, may become evident only after a product is in use by the general population.
Alprazolam Side Effect Report#9916121
Electrocardiogram Qt Prolonged, Overdose, Blood Pressure Diastolic Increased
This Electrocardiogram Qt Prolonged side effect was reported by a physician from JP. A 46-year-old male patient (weight:NA) experienced the following symptoms/conditions: overdose.The patient was prescribed Alprazolam (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Eperisone 550mg
  • Pregabalin 975mg
  • Paroxetine
.After starting to take Alprazolam the consumer reported adverse symptoms, such as: Electrocardiogram Qt Prolonged, Overdose, Blood Pressure Diastolic IncreasedThese side effects may potentially be related to Alprazolam. The patient was hospitalized.
Alprazolam Side Effect Report#9914985
Alcohol Abuse, Somnolence, Sopor, Suicide Attempt
This is a report of a 35-year-old female patient (weight: NA) from IT, suffering from the following health symptoms/conditions: depression, who was treated with Alprazolam (dosage: 5 Mg, Once/single, start time:
Nov 22, 2013), combined with:
  • Alcohol
and developed a serious reaction and side effect(s): Alcohol Abuse, Somnolence, Sopor, Suicide Attempt after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Alprazolam treatment in female patients, resulting in Alcohol Abuse side effect.
Alprazolam Side Effect Report#9914236
Dyskinesia, Headache, Aggression, Divorced, Product Quality Issue, Abnormal Sleep-related Event
This report suggests a potential Alprazolam Dyskinesia side effect(s) that can have serious consequences. A 57-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: depression and used Alprazolam (dosage: NA) starting NS. After starting Alprazolam the patient began experiencing various side effects, including: Dyskinesia, Headache, Aggression, Divorced, Product Quality Issue, Abnormal Sleep-related EventAdditional drugs used concurrently: NA. Although Alprazolam demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Dyskinesia, may still occur.
Alprazolam Side Effect Report#9914087
Chills, Rash, Diarrhoea
This Chills problem was reported by a consumer or non-health professional from US. A 52-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: anxiety,thyroidectomy. On 2002 this consumer started treatment with Alprazolam Tablets, Usp (dosage: NA). The following drugs were being taken at the same time:
  • Levothyroxine
When using Alprazolam Tablets, Usp, the patient experienced the following unwanted symptoms/side effects: Chills, Rash, DiarrhoeaAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Chills, may become evident only after a product is in use by the general population.
Alprazolam Side Effect Report#9914086
Mydriasis, Headache
This Mydriasis side effect was reported by a consumer or non-health professional from US. A 75-year-old female patient (weight:NA) experienced the following symptoms/conditions: anxiety.The patient was prescribed Alprazolam Tablets, Usp (drug dosage: NA), which was initiated on
Aug 22, 2013. Concurrently used drugs: NA..After starting to take Alprazolam Tablets, Usp the consumer reported adverse symptoms, such as: Mydriasis, HeadacheThese side effects may potentially be related to Alprazolam Tablets, Usp.
Alprazolam Side Effect Report#9914083
Rash, Chills, Diarrhoea
This is a report of a 51-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: anxiety,seasonal allergy,gastrooesophageal reflux disease, who was treated with Alprazolam Tablets, Usp (dosage: NA, start time: NS), combined with:
  • Loratadine
  • Omeprazole
and developed a serious reaction and side effect(s): Rash, Chills, Diarrhoea after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Alprazolam Tablets, Usp treatment in female patients, resulting in Rash side effect.
Alprazolam Side Effect Report#9914081
Anxiety, Agitation, Middle Insomnia, Negative Thoughts, Hyperhidrosis
This report suggests a potential Alprazolam Tablets, Usp Anxiety side effect(s) that can have serious consequences. A 53-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: anxiety,agitation and used Alprazolam Tablets, Usp (dosage: NA) starting
Mar 25, 2013. After starting Alprazolam Tablets, Usp the patient began experiencing various side effects, including: Anxiety, Agitation, Middle Insomnia, Negative Thoughts, HyperhidrosisAdditional drugs used concurrently: NA. Although Alprazolam Tablets, Usp demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Anxiety, may still occur.
Alprazolam Side Effect Report#9914080
Anxiety, Incorrect Dose Administered
This Anxiety problem was reported by a health professional from US. A 33-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: anxiety,depression,attention deficit/hyperactivity disorder. On
Mar 06, 2013 this consumer started treatment with Alprazolam Tablets, Usp (dosage: Prescribed 0.5mg Prn Up To Tid). The following drugs were being taken at the same time:
  • Wellbutrin Xl
  • Adderall
When using Alprazolam Tablets, Usp, the patient experienced the following unwanted symptoms/side effects: Anxiety, Incorrect Dose AdministeredAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Anxiety, may become evident only after a product is in use by the general population.
Alprazolam Side Effect Report#9914079
Chest Pain, Tachycardia, Palpitations, Tinnitus, Ear Pain, Cystitis, Arthralgia, Hypoaesthesia
This Chest Pain side effect was reported by a consumer or non-health professional from US. A 62-year-old female patient (weight:NA) experienced the following symptoms/conditions: anxiety,panic attack.The patient was prescribed Alprazolam Tablets, Usp (drug dosage: NA), which was initiated on 201301. Concurrently used drugs: NA..After starting to take Alprazolam Tablets, Usp the consumer reported adverse symptoms, such as: Chest Pain, Tachycardia, Palpitations, Tinnitus, Ear Pain, Cystitis, Arthralgia, HypoaesthesiaThese side effects may potentially be related to Alprazolam Tablets, Usp.
Alprazolam Side Effect Report#9914078
Anxiety, Anger
This is a report of a 57-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: anxiety, who was treated with Alprazolam Tablets, Usp (dosage: NA, start time: 201301), combined with: NA. and developed a serious reaction and side effect(s): Anxiety, Anger after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Alprazolam Tablets, Usp treatment in female patients, resulting in Anxiety side effect.
Alprazolam Side Effect Report#9914068
Completed Suicide, Toxicity To Various Agents
This report suggests a potential Alprazolam (alprazolam) Completed Suicide side effect(s) that can have serious consequences. A 45-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Alprazolam (alprazolam) (dosage: NA) starting NS. After starting Alprazolam (alprazolam) the patient began experiencing various side effects, including: Completed Suicide, Toxicity To Various AgentsAdditional drugs used concurrently:
  • Paroxetine (paroxetine)
  • Hydrocodone (hydrocodone)
  • Diphenhydramine (diphenhydramine)
  • Bupropion (bupropion)
  • Pseudoephedrine (pseudoephedrine)
Although Alprazolam (alprazolam) demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Completed Suicide, may still occur.
Alprazolam Side Effect Report#9914025
Completed Suicide, Toxicity To Various Agents
This Completed Suicide problem was reported by a pharmacist from US. A 27-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Alprazolam (dosage: NA). The following drugs were being taken at the same time:
  • Citalopram(citalopram)
  • Methadone(methadone)
  • Amphetamine
  • Tetrahydrocannabinol
When using Alprazolam, the patient experienced the following unwanted symptoms/side effects: Completed Suicide, Toxicity To Various AgentsAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Completed Suicide, may become evident only after a product is in use by the general population.
Alprazolam Side Effect Report#9913654
Exposure Via Ingestion, Toxicity To Various Agents
This Exposure Via Ingestion side effect was reported by a pharmacist from US. A 55-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Alprazolam (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Paroxetine (paroxetine)
  • Morphine
  • Hydromorphone (hydromorphone)
.After starting to take Alprazolam the consumer reported adverse symptoms, such as: Exposure Via Ingestion, Toxicity To Various AgentsThese side effects may potentially be related to Alprazolam.
Alprazolam Side Effect Report#9913407
Poisoning
This is a report of a 40-year-old female patient (weight: NA) from SE, suffering from the following health symptoms/conditions: NA, who was treated with Alprazolam (dosage: NA, start time: NS), combined with:
  • Codeine
  • Morphine
  • Nitrazepam
  • Paracetamol
  • Zopiclone
  • Quetiapine
  • Venlafaxine
  • Ethanol
and developed a serious reaction and side effect(s): Poisoning after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Alprazolam treatment in female patients, resulting in Poisoning side effect.


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The appearance of Alprazolam on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.

What are common Alprazolam Side Effects for Women?

Women Side EffectsReports
Completed Suicide 731
Poisoning 381
Cardiac Arrest 368
Respiratory Arrest 358
Death 267
Toxicity To Various Agents 264
Cardio-respiratory Arrest 175
Anxiety 107
Exposure Via Ingestion 101
Overdose 73

What are common Alprazolam Side Effects for Men?

Men Side EffectsReports
Poisoning 511
Respiratory Arrest 505
Cardiac Arrest 501
Completed Suicide 480
Toxicity To Various Agents 369
Death 360
Cardio-respiratory Arrest 250
Exposure Via Ingestion 135
Anxiety 56
Overdose 50

Track Your Side Effects

Note Your Observations

It is really important to keep track of your health symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

    You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

    Alprazolam reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
    FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.

    Discuss Alprazolam Side Effects

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    How Effective is Alprazolam for You?

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    Alprazolam Safety Alerts, Active Ingredients, Usage Information

    NDC0054-3068
    TypeHUMAN PRESCRIPTION DRUG
    Proprietary NameAlprazolam
    NameAlprazolam
    Dosage FormSOLUTION, CONCENTRATE
    RouteORAL
    On market since19931031
    LabelerRoxane Laboratories, Inc
    Active Ingredient(s)ALPRAZOLAM
    Strength(s)1
    Unit(s)mg/mL
    Pharma ClassBenzodiazepine [EPC],Benzodiazepines [Chemical/Ingredient]

    Alprazolam Dosage, Warnings, Usage.

    Side Effects reported to FDA: 4946

    Alprazolam safety alerts: 2007

    Reported deaths: 3077

    Reported hospitalizations: 830

    Xanax (alprazolam)

    Audience: Consumers, healthcare professionals

    [Posted 02/16/2007] FDA informed consumers and healthcare professionals regarding the possible dangers of buying prescription medications online. Individuals who ordered Ambien, Xanax, Lexapro, and Ativan over the internet received a product that contained haloperidol, a powerful anti-psychotic drug. Several consumers experienced difficulty in breathing, muscle spasms and muscle stiffness after ingesting the suspect product and had to seek emergency medical treatment. Haloperiodol can cause muscle stiffness, spasms, agitation and sedation. Taking medication that contains an active ingredient other than what is prescribed by qualified healthcare professionals is generally unsafe. FDA urges consumers to review the FDA website for additional information prior to making purchases of medications over the internet (http://www.fda.gov/buyonline/).

    [February 16, 2007 - News Release - FDA]

    Latest Alprazolam clinical trials