Hydroxyzine pamoate and Injection site erythema - a phase IV clinical study of FDA data

Summary:

Injection site erythema is reported as a side effect among people who take Hydroxyzine pamoate (hydroxyzine pamoate), especially for people who are female, 50-59 old, also take Calcium, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Injection site erythema when taking Hydroxyzine pamoate. It is created by eHealthMe based on reports of 3,887 people who have side effects when taking Hydroxyzine pamoate from the FDA, and is updated regularly.

What is Hydroxyzine pamoate?

Hydroxyzine pamoate has active ingredients of hydroxyzine pamoate. It is often used in stress and anxiety. eHealthMe is studying from 4,252 Hydroxyzine pamoate users. Check the latest studies of Hydroxyzine pamoate.

What is Injection site erythema?

Injection site erythema (redness at injection site) is found to be associated with 1,464 drugs and 1,417 conditions by eHealthMe. Check the latest studies of Injection site erythema.



On Jul, 08, 2026

3,887 people reported to have side effects when taking Hydroxyzine pamoate.
Among them, 18 people (0.46%) have Injection site erythema.

Could Hydroxyzine pamoate cause Injection site erythema?

Among these 18 people:

What is the gender of people who have Injection site erythema when taking Hydroxyzine pamoate? *

  • female: 94.12 %
  • male: 5.88 %

What is the age of people who have Injection site erythema when taking Hydroxyzine pamoate? *

  • 0-1: 8.33 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 8.33 %
  • 30-39: 25.0 %
  • 40-49: 8.33 %
  • 50-59: 41.67 %
  • 60+: 8.33 %

What are other drugs people take besides Hydroxyzine pamoate? *

  1. Baclofen: 5 people, 27.78%
  2. Levothyroxine Sodium: 5 people, 27.78%
  3. Calcium: 5 people, 27.78%
  4. Atorvastatin Calcium: 4 people, 22.22%
  5. Vitamin D3: 4 people, 22.22%
  6. Vitamin B12: 4 people, 22.22%
  7. Flonase: 4 people, 22.22%
  8. Sertraline Hydrochloride: 4 people, 22.22%
  9. Synthroid: 3 people, 16.67%
  10. Dupixent: 3 people, 16.67%

What are other side effects people have besides Injection site erythema? *

  1. Pain: 8 people, 44.44%
  2. Injection Site Bruising: 7 people, 38.89%
  3. Diarrhea: 4 people, 22.22%
  4. Fatigue (feeling of tiredness): 4 people, 22.22%
  5. Injection Site Swelling: 4 people, 22.22%
  6. Dizziness: 4 people, 22.22%
  7. Injection Site Haemorrhage (bleeding from injection site): 4 people, 22.22%
  8. Injection Site Pain: 3 people, 16.67%
  9. Feeling Abnormal: 3 people, 16.67%
  10. Fever: 3 people, 16.67%

What are the existing conditions these people have? *

  1. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 6 people, 33.33%
  2. Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 3 people, 16.67%
  3. Secondary Progressive Multiple Sclerosis (a stage of ms which comes after relapsing remitting ms in many cases): 2 people, 11.11%
  4. Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 2 people, 11.11%
  5. Bipolar Disorder (mood disorder): 2 people, 11.11%
  6. Osteoporosis (bones weak and more likely to break): 2 people, 11.11%
  7. Clinically Isolated Syndrome (individual's first neurological episode, caused by inflammation or demyelination of nerve tissue): 2 people, 11.11%
  8. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 2 people, 11.11%
  9. Chronic Myeloid Leukaemia (long lasting type of cancer that starts in the blood-forming cells of the bone marrow and invades the blood): 1 person, 5.56%
  10. Depression: 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Hydroxyzine pamoate and have Injection site erythema?

- Check whether Injection site erythema is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously



Related studies:

Effectiveness of, long term effects of, and alternative drugs to Hydroxyzine pamoate:

Injection site erythema treatments and more:

How severe was Injection site erythema and when was it recovered:

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

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 Hydroxyzine pamoate:

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 Injection site erythema:

Browse all the conditions that are associated with Injection site erythema:


How the study uses the data?

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

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