Plan b and Pancreatitis - a phase IV clinical study of FDA data


Pancreatitis is found among people who take Plan b, especially for people who are female, 20-29 old, have been taking the drug for < 1 month.

The phase IV clinical study analyzes which people take Plan b and have Pancreatitis. It is created by eHealthMe based on reports of 37,473 people who have side effects when taking Plan b 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 Feb, 07, 2023

37,473 people reported to have side effects when taking Plan b.
Among them, 8 people (0.02%) have Pancreatitis.

What is Plan b?

Plan b has active ingredients of levonorgestrel. It is often used in emergency contraception. eHealthMe is studying from 37,726 Plan b users for its effectiveness, alternative drugs and more.

What is Pancreatitis?

Pancreatitis (inflammation of pancreas) is found to be associated with 2,700 drugs and 1,951 conditions by eHealthMe.

Number of Plan b and Pancreatitis reports submitted per year:

Could Plan b cause Pancreatitis?

Time on Plan b when people have Pancreatitis *:

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Pancreatitis when taking Plan b *:

  • female: 100 %
  • male: 0.0 %

Age of people who have Pancreatitis when taking Plan b *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 28.57 %
  • 20-29: 57.14 %
  • 30-39: 14.29 %
  • 40-49: 0.0 %
  • 50-59: 0.0 %
  • 60+: 0.0 %

Common drugs people take besides Plan b *:

  1. Yaz: 3 people, 37.50%
  2. Yasmin: 3 people, 37.50%
  3. Ortho Tri-Cyclen: 3 people, 37.50%
  4. Drospirenone And Ethinyl Estradiol: 2 people, 25.00%
  5. Zyrtec: 1 person, 12.50%
  6. Zoloft: 1 person, 12.50%
  7. Zofran: 1 person, 12.50%
  8. Tri-Sprintec: 1 person, 12.50%
  9. Sprintec: 1 person, 12.50%
  10. Prilosec: 1 person, 12.50%

Common side effects people have besides Pancreatitis *:

  1. Abdominal Pain: 3 people, 37.50%
  2. Breast Pain: 3 people, 37.50%
  3. Flatulence (flatus expelled through the anus): 3 people, 37.50%
  4. Oligomenorrhea: 3 people, 37.50%
  5. Pain: 2 people, 25.00%
  6. Malnutrition (condition that results from eating a diet in which certain nutrients are lacking): 2 people, 25.00%
  7. Injury: 2 people, 25.00%
  8. Cholecystitis Chronic (long lasting infection of gallbladder): 2 people, 25.00%
  9. Gallstones (stone formation by bile component): 2 people, 25.00%
  10. Choledocholithiasis (stones in the common bile duct): 2 people, 25.00%

Common conditions people have *:

  1. Acne (skin problems that cause pimples): 3 people, 37.50%
  2. Premenstrual Dysphoric Disorder: 1 person, 12.50%
  3. Nausea (feeling of having an urge to vomit): 1 person, 12.50%
  4. Multiple Allergies (allergy to multiple agents): 1 person, 12.50%
  5. Gastritis (inflammation of stomach): 1 person, 12.50%
  6. Depression: 1 person, 12.50%

* Approximation only. Some reports may have incomplete information.

Do you take Plan b and have Pancreatitis?

Check whether Pancreatitis 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 Pancreatitis and when was it recovered:

Expand to all the drugs that have ingredients of levonorgestrel:

Alternative drugs to, pros and cons of Plan b:

Common Plan b side effects:

Browse all side effects of Plan b:

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

Pancreatitis treatments and more:

COVID vaccines that are related to Pancreatitis:

Common drugs associated with Pancreatitis:

All the drugs that are associated with Pancreatitis:

Common conditions associated with Pancreatitis:

All the conditions that are associated with Pancreatitis:

How the study uses the data?

The study uses data from the FDA. It is based on levonorgestrel (the active ingredients of Plan b) and Plan b (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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