Hydroxyzine and Anaemia macrocytic - a phase IV clinical study of FDA data


Anaemia macrocytic is found among people who take Hydroxyzine, especially for people who are male, 60+ old.

The phase IV clinical study analyzes which people take Hydroxyzine and have Anaemia macrocytic. It is created by eHealthMe based on reports of 40,735 people who have side effects when taking Hydroxyzine from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Sep, 27, 2022

40,735 people reported to have side effects when taking Hydroxyzine.
Among them, 6 people (0.01%) have Anaemia macrocytic.

What is Hydroxyzine?

Hydroxyzine has active ingredients of hydroxyzine hydrochloride. It is often used in stress and anxiety. eHealthMe is studying from 42,491 Hydroxyzine users for its effectiveness, alternative drugs and more.

What is Anaemia macrocytic?

Anaemia macrocytic (a macrocytic class of anaemia) is found to be associated with 840 drugs and 477 conditions by eHealthMe.

Number of Hydroxyzine and Anaemia macrocytic reports submitted per year:

Could Hydroxyzine cause Anaemia macrocytic?

Gender of people who have Anaemia macrocytic when taking Hydroxyzine *:

  • female: 33.33 %
  • male: 66.67 %

Age of people who have Anaemia macrocytic when taking Hydroxyzine *:

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

Common drugs people take besides Hydroxyzine *:

  1. Vitamin D3: 2 people, 33.33%
  2. Pantoprazole: 2 people, 33.33%
  3. Temazepam: 2 people, 33.33%
  4. Amlodipine: 2 people, 33.33%
  5. Zofran Odt: 1 person, 16.67%
  6. Doxycycline: 1 person, 16.67%
  7. Clonazepam: 1 person, 16.67%
  8. Clonidine: 1 person, 16.67%
  9. Combivent: 1 person, 16.67%
  10. Crestor: 1 person, 16.67%

Common side effects people have besides Anaemia macrocytic *:

  1. Nausea (feeling of having an urge to vomit): 3 people, 50.00%
  2. Fever: 2 people, 33.33%
  3. Anaemia (lack of blood): 2 people, 33.33%
  4. Chest Pain: 2 people, 33.33%
  5. Constipation: 2 people, 33.33%
  6. Weight Decreased: 1 person, 16.67%
  7. Diabetes: 1 person, 16.67%
  8. Cellulitis (infection under the skin): 1 person, 16.67%
  9. Choledocholithiasis (stones in the common bile duct): 1 person, 16.67%
  10. Colitis Ischaemic (due to infection of intestine impaired blood supply to colon): 1 person, 16.67%

Common conditions people have *:

  1. Paroxysmal Nocturnal Haemoglobinuria (haemoglobin in the urine): 1 person, 16.67%
  2. Oedema (fluid collection in tissue): 1 person, 16.67%
  3. Myelodysplastic Syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged): 1 person, 16.67%
  4. High Blood Pressure: 1 person, 16.67%
  5. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 16.67%
  6. Depression: 1 person, 16.67%

* Approximation only. Some reports may have incomplete information.

Do you take Hydroxyzine and have Anaemia macrocytic?

Check whether Anaemia macrocytic is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related publications that referenced our studies

Related studies

How severe was Anaemia macrocytic and when was it recovered:

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

Alternative drugs to, pros and cons of Hydroxyzine:

Common Hydroxyzine side effects:

Browse all side effects of Hydroxyzine:

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Anaemia macrocytic treatments and more:

COVID vaccines that are related to Anaemia macrocytic:

Common drugs associated with Anaemia macrocytic:

All the drugs that are associated with Anaemia macrocytic:

Common conditions associated with Anaemia macrocytic:

All the conditions that are associated with Anaemia macrocytic:

How the study uses the data?

The study uses data from the FDA. It is based on hydroxyzine hydrochloride (the active ingredients of Hydroxyzine) and Hydroxyzine (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.

Who is eHealthMe?

With medical big data and proven AI 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 600+ 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: 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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