Phenergan and Food allergy - a phase IV clinical study of FDA data


Food allergy is reported only by a few people who take Phenergan.

The phase IV clinical study analyzes which people take Phenergan and have Food allergy. It is created by eHealthMe based on reports of 23,249 people who have side effects while taking Phenergan from the FDA, and is updated regularly.

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 Feb, 07, 2023

23,249 people reported to have side effects when taking Phenergan.
Among them, 4 people (0.02%) have Food allergy.

What is Phenergan?

Phenergan has active ingredients of promethazine hydrochloride. It is often used in nausea. eHealthMe is studying from 24,288 Phenergan users for its effectiveness, alternative drugs and more.

What is Food allergy?

Food allergy is found to be associated with 1,265 drugs and 714 conditions by eHealthMe.

Number of Phenergan and Food allergy reports submitted per year:

Could Phenergan cause Food allergy?

Gender of people who have Food allergy when taking Phenergan *:

  • female: 100 %
  • male: 0.0 %

Age of people who have Food allergy when taking Phenergan *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 0.0 %
  • 50-59: 75 %
  • 60+: 25 %

Common drugs people take besides Phenergan *:

  1. Protonix: 2 people, 50.00%
  2. Ativan: 2 people, 50.00%
  3. Codeine: 2 people, 50.00%
  4. Flonase: 2 people, 50.00%
  5. Zofran: 1 person, 25.00%
  6. Iodine: 1 person, 25.00%
  7. Imodium: 1 person, 25.00%
  8. Hydrocodone: 1 person, 25.00%
  9. Humira: 1 person, 25.00%
  10. Haldol: 1 person, 25.00%

Common side effects people have besides Food allergy *:

  1. Drug Hypersensitivity: 2 people, 50.00%
  2. Weakness: 1 person, 25.00%
  3. Eyelid Ptosis (falling of the upper or lower eyelid): 1 person, 25.00%
  4. Anaemia (lack of blood): 1 person, 25.00%
  5. Botulism (food poisoning caused by botulinum growing): 1 person, 25.00%
  6. Clostridium Difficile Colitis (inflammation of colon by clostridium difficile bacteria infection): 1 person, 25.00%
  7. Contrast Media Allergy (reaction associated with the use of intravenous contrast material during radiology): 1 person, 25.00%
  8. Dermatitis Contact (skin reaction (dermatitis) resulting from exposure to allergens): 1 person, 25.00%
  9. Diplopia (double vision): 1 person, 25.00%
  10. Fatigue (feeling of tiredness): 1 person, 25.00%

Common conditions people have *:

  1. Stress And Anxiety: 1 person, 25.00%
  2. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 25.00%
  3. Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 1 person, 25.00%
  4. Pain: 1 person, 25.00%
  5. Muscle Spasms (muscle contraction): 1 person, 25.00%
  6. Itching: 1 person, 25.00%
  7. Hypersensitivity: 1 person, 25.00%
  8. Flatulence (flatus expelled through the anus): 1 person, 25.00%
  9. Crohn's Disease (condition that causes inflammation of the gastrointestinal tract): 1 person, 25.00%

* Approximation only. Some reports may have incomplete information.

Do you take Phenergan and have Food allergy?

Check whether Food allergy 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 Food allergy and when was it recovered:

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

Alternative drugs to, pros and cons of Phenergan:

Common Phenergan side effects:

Browse all side effects of Phenergan:

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

Food allergy treatments and more:

COVID vaccines that are related to Food allergy:

Common drugs associated with Food allergy:

All the drugs that are associated with Food allergy:

Common conditions associated with Food allergy:

All the conditions that are associated with Food allergy:

How the study uses the data?

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