Claritin and Malabsorption - a phase IV clinical study of FDA data

Summary:

Malabsorption is reported as a side effect among people who take Claritin (loratadine), especially for people who are female, 60+ old, also take Prilosec, and have High blood pressure.

The phase IV clinical study analyzes which people have Malabsorption when taking Claritin. It is created by eHealthMe based on reports of 74,516 people who have side effects when taking Claritin from the FDA, and is updated regularly.

What is Claritin?

Claritin has active ingredients of loratadine. It is often used in allergies. eHealthMe is studying from 77,313 Claritin users. Check the latest studies of Claritin.

What is Malabsorption?

Malabsorption (a state arising from abnormality in absorption of food nutrients across the gastrointestinal (gi) tract) is found to be associated with 655 drugs and 1,095 conditions by eHealthMe. Check the latest studies of Malabsorption.



On Apr, 17, 2026

74,516 people reported to have side effects when taking Claritin.
Among them, 47 people (0.06%) have Malabsorption.

Could Claritin cause Malabsorption?

Among these 47 people:

What is the gender of people who have Malabsorption when taking Claritin? *

  • female: 53.66 %
  • male: 46.34 %

What is the age of people who have Malabsorption when taking Claritin? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 17.65 %
  • 20-29: 2.94 %
  • 30-39: 5.88 %
  • 40-49: 5.88 %
  • 50-59: 20.59 %
  • 60+: 47.06 %

What are other drugs people take besides Claritin? *

  1. Benicar: 14 people, 29.79%
  2. Prilosec: 14 people, 29.79%
  3. Flonase: 13 people, 27.66%
  4. Zofran: 12 people, 25.53%
  5. Ambien: 12 people, 25.53%
  6. Norvasc: 11 people, 23.40%
  7. Dexamethasone: 11 people, 23.40%
  8. Allegra: 11 people, 23.40%
  9. Neurontin: 10 people, 21.28%
  10. Morphine Sulfate: 10 people, 21.28%

What are other side effects people have besides Malabsorption? *

  1. Diarrhea: 17 people, 36.17%
  2. Stress And Anxiety: 16 people, 34.04%
  3. Dizziness: 15 people, 31.91%
  4. Joint Pain: 15 people, 31.91%
  5. High Blood Pressure: 14 people, 29.79%
  6. Depression: 13 people, 27.66%
  7. Nausea And Vomiting: 13 people, 27.66%
  8. Head Injury: 13 people, 27.66%
  9. Headache (pain in head): 12 people, 25.53%
  10. Haemorrhoids (a swollen vein or group of veins in the region of the anus): 12 people, 25.53%

What are the existing conditions these people have? *

  1. High Blood Pressure: 17 people, 36.17%
  2. Seasonal Allergy (allergic condition due to certain season): 8 people, 17.02%
  3. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 7 people, 14.89%
  4. Stress And Anxiety: 5 people, 10.64%
  5. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 5 people, 10.64%
  6. Hypersensitivity: 5 people, 10.64%
  7. Asthma: 4 people, 8.51%
  8. High Blood Cholesterol: 3 people, 6.38%
  9. Arthritis (form of joint disorder that involves inflammation of one or more joints): 3 people, 6.38%
  10. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 6.38%

* Approximation only. Some reports may have incomplete information.

Do you take Claritin and have Malabsorption?

- Check whether Malabsorption 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 Claritin:

Malabsorption treatments and more:

How severe was Malabsorption and when was it recovered:

Expand to all the drugs that have ingredients of loratadine:

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 Claritin:

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 Malabsorption:

Browse all the conditions that are associated with Malabsorption:


How the study uses the data?

The study uses data from the FDA. It is based on loratadine (the active ingredients of Claritin) and Claritin (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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