Atarax and Pathogen resistance - a phase IV clinical study of FDA data

Summary:

Pathogen resistance is reported as a side effect among people who take Atarax (hydroxyzine hydrochloride), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Amlodipine Besylate, and have Asthma.

The phase IV clinical study analyzes which people have Pathogen resistance when taking Atarax. It is created by eHealthMe based on reports of 22,841 people who have side effects when taking Atarax from the FDA, and is updated regularly.

What is Atarax?

Atarax has active ingredients of hydroxyzine hydrochloride. It is often used in stress and anxiety. eHealthMe is studying from 23,553 Atarax users. Check the latest studies of Atarax.

What is Pathogen resistance?

Pathogen resistance is found to be associated with 468 drugs and 585 conditions by eHealthMe. Check the latest studies of Pathogen resistance.



On Jan, 16, 2026

22,841 people reported to have side effects when taking Atarax.
Among them, 11 people (0.05%) have Pathogen resistance.

Could Atarax cause Pathogen resistance?

Among these 11 people:

How long have people been on Atarax when they have Pathogen resistance? *

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Pathogen resistance when taking Atarax? *

  • female: 18.18 %
  • male: 81.82 %

What is the age of people who have Pathogen resistance when taking Atarax? *

  • 0-1: 0.0 %
  • 2-9: 9.09 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 18.18 %
  • 40-49: 18.18 %
  • 50-59: 9.09 %
  • 60+: 45.45 %

What are other drugs people take besides Atarax? *

  1. Amlodipine Besylate: 5 people, 45.45%
  2. Zyrtec: 4 people, 36.36%
  3. Prograf: 4 people, 36.36%
  4. Omeprazole: 4 people, 36.36%
  5. Lovenox: 3 people, 27.27%
  6. Aldomet: 2 people, 18.18%
  7. Blopress: 2 people, 18.18%
  8. Sectral: 2 people, 18.18%
  9. Tolvaptan: 2 people, 18.18%
  10. Ibuprofen: 1 person, 9.09%

What are other side effects people have besides Pathogen resistance? *

  1. Consciousness - Decreased: 4 people, 36.36%
  2. Nosocomial Infection (infection from hospital): 4 people, 36.36%
  3. Drug Toxicity: 4 people, 36.36%
  4. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 4 people, 36.36%
  5. Metabolic Encephalopathy (disorder or disease of the brain due to the body's disability to use energy): 4 people, 36.36%
  6. Retinopathy Hypertensive (acute damage to the retina of the eye due to high blood pressure): 4 people, 36.36%
  7. Sepsis (a severe blood infection that can lead to organ failure and death): 4 people, 36.36%
  8. Cholestasis (a condition where bile cannot flow from the liver to the duodenum): 4 people, 36.36%
  9. Extrapyramidal Disorder (involuntary muscle spasms in the face and neck): 4 people, 36.36%
  10. Septic Shock (shock due to blood infection): 3 people, 27.27%

What are the existing conditions these people have? *

  1. Asthma: 2 people, 18.18%
  2. Pain: 1 person, 9.09%
  3. Nosocomial Infection (infection from hospital): 1 person, 9.09%
  4. Nerve Injury: 1 person, 9.09%
  5. Nausea (feeling of having an urge to vomit): 1 person, 9.09%
  6. Multiple Allergies (allergy to multiple agents): 1 person, 9.09%
  7. Migraine (headache): 1 person, 9.09%
  8. Infection: 1 person, 9.09%
  9. Ill-Defined Disorder: 1 person, 9.09%
  10. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Atarax and have Pathogen resistance?

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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Atarax:

Pathogen resistance treatments and more:

How severe was Pathogen resistance and when was it recovered:

Expand to all the drugs that have ingredients of hydroxyzine hydrochloride:

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Atarax:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Pathogen resistance:

Browse all the conditions that are associated with Pathogen resistance:

Drugs similar to Atarax and Pathogen resistance :

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on hydroxyzine hydrochloride (the active ingredients of Atarax) and Atarax (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



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