Claritin-d and Hallucinations - a phase IV clinical study of FDA data


We study 6,131 people who have side effects when taking Claritin-d. Hallucinations is found, especially among people who are female, 30-39 old, have been taking the drug for < 1 month, also take Benadryl and have Urticaria.

The phase IV clinical study analyzes which people take Claritin-d and have Hallucinations. It is created by eHealthMe based on reports from the FDA, and is updated regularly. You may 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 700+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Sep, 25, 2023

6,131 people reported to have side effects when taking Claritin-d.
Among them, 25 people (0.41%) have Hallucinations.

What is Claritin-d?

Claritin-d has active ingredients of loratadine; pseudoephedrine sulfate. It is used in allergies. Currently, eHealthMe is studying from 6,941 Claritin-d users.

What is Hallucinations?

Hallucinations (sensations that appear real but are created by your mind) is found to be associated with 3,215 drugs and 2,622 conditions by eHealthMe. Currently, we are studying 92,556 people who have Hallucinations.

Number of Claritin-d and Hallucinations reports submitted per year:

Could Claritin-d cause Hallucinations?

Time on Claritin-d when people have Hallucinations *:

  • < 1 month: 63.64 %
  • 1 - 6 months: 9.09 %
  • 6 - 12 months: 27.27 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Hallucinations when taking Claritin-d *:

  • female: 64 %
  • male: 36 %

Age of people who have Hallucinations when taking Claritin-d *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 17.65 %
  • 20-29: 23.53 %
  • 30-39: 29.41 %
  • 40-49: 0.0 %
  • 50-59: 5.88 %
  • 60+: 23.53 %

Common drugs people take besides Claritin-d *:

  1. Benadryl: 4 people, 16.00%
  2. Lantus: 2 people, 8.00%
  3. Zyrtec: 1 person, 4.00%
  4. Duopa: 1 person, 4.00%
  5. Lutein: 1 person, 4.00%
  6. Loratadine: 1 person, 4.00%
  7. Livalo: 1 person, 4.00%
  8. Glucophage: 1 person, 4.00%
  9. Flexeril: 1 person, 4.00%
  10. Fish Oil: 1 person, 4.00%

Common side effects people have besides Hallucinations *:

  1. Stress And Anxiety: 6 people, 24.00%
  2. Heart Palpitations (feelings or sensations that your heart is pounding or racing): 5 people, 20.00%
  3. Insomnia (sleeplessness): 5 people, 20.00%
  4. Dizziness: 4 people, 16.00%
  5. Tremor (trembling or shaking movements in one or more parts of your body): 4 people, 16.00%
  6. Heart Rate Increased: 3 people, 12.00%
  7. Hyperhidrosis (abnormally increased sweating): 3 people, 12.00%
  8. Drowsiness: 3 people, 12.00%
  9. Fatigue (feeling of tiredness): 3 people, 12.00%
  10. Delusion (a false belief or opinion): 2 people, 8.00%

Common conditions people have *:

  1. Urticaria (rash of round, red welts on the skin that itch intensely): 4 people, 16.00%
  2. Seasonal Allergy (allergic condition due to certain season): 2 people, 8.00%
  3. Hypersensitivity: 2 people, 8.00%
  4. Influenza Like Illness: 2 people, 8.00%
  5. Viral Upper Respiratory Tract Infection: 1 person, 4.00%
  6. Major Depression (a mood state that goes well beyond temporarily feeling sad or blue. it is a serious medical illness that affects one's thoughts, feelings): 1 person, 4.00%
  7. Diabetes: 1 person, 4.00%
  8. Effusion (an escape of fluid into a body cavity): 1 person, 4.00%
  9. Eye Disorder: 1 person, 4.00%
  10. High Blood Cholesterol: 1 person, 4.00%

* Approximation only. Some reports may have incomplete information.

Do you take Claritin-d and have Hallucinations?

Check whether Hallucinations 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 Hallucinations and when was it recovered:

Expand to all the drugs that have ingredients of loratadine; pseudoephedrine sulfate:

Alternative drugs to, pros and cons of Claritin-d:

Browse all side effects of Claritin-d:

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

Hallucinations treatments and more:

Common drugs associated with Hallucinations:

All the drugs that are associated with Hallucinations:

Common conditions associated with Hallucinations:

All the conditions that are associated with Hallucinations:

How the study uses the data?

The study uses data from the FDA. It is based on loratadine; pseudoephedrine sulfate (the active ingredients of Claritin-d) and Claritin-d (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 700+ 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 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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