Levonorgestrel and Januvia drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Levonorgestrel (levonorgestrel) and Januvia (sitagliptin phosphate). Common drug interactions include asthenia among females.

The phase IV clinical study analyzes what interactions people have when they take Levonorgestrel and Januvia. It is created by eHealthMe based on reports of 12 people who take the same drugs from the FDA, and is updated regularly.

What is Levonorgestrel?

Levonorgestrel has active ingredients of levonorgestrel. It is often used in birth control. eHealthMe is studying from 4,186 Levonorgestrel users. Check the latest studies of Levonorgestrel.

What is Januvia?

Januvia has active ingredients of sitagliptin phosphate. It is often used in diabetes. eHealthMe is studying from 72,818 Januvia users. Check the latest studies of Januvia.



On Jul, 13, 2026

12 people who take Levonorgestrel and Januvia together, and have interactions are studied.

Levonorgestrel and Januvia drug interactions.

What are the common drug interactions of Levonorgestrel and Januvia, by gender? *:

female:

  1. Asthenia (weakness)
  2. Constipation
  3. Anal fistula
  4. Asthma
  5. Blood pressure increased
  6. Cough
  7. Drug ineffective
  8. Dry eye (lack of adequate tears)
  9. Dry mouth
  10. Eye irritation

male:

n/a

What are the common drug interactions of Levonorgestrel and Januvia, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

  1. Abdominal discomfort
  2. Asthma
  3. Blood pressure increased
  4. Drug ineffective
  5. Fall
  6. Injury
  7. Malaise (a feeling of general discomfort or uneasiness)
  8. Peripheral swelling
  9. Raynaud's phenomenon (discoloration of the fingers, toes, and occasionally other areas)
  10. Respiratory tract infection

40-49:

  1. Phlebitis (inflammation of the walls of a vein)
  2. Therapeutic response unexpected
  3. Weight increased
  4. Anaemia (lack of blood)
  5. Anal abscess
  6. Anal fistula
  7. Heart rate irregular
  8. Impaired work ability
  9. Oral herpes (viral infection of mouth)

50-59:

n/a

60+:

  1. Asthenia (weakness)
  2. Constipation
  3. Hyperhidrosis (abnormally increased sweating)
  4. Pancreatitis (inflammation of pancreas)

What are the existing conditions these people have? *

  1. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 8 people, 66.67%
  2. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 7 people, 58.33%
  3. Asthma: 3 people, 25.00%
  4. Type 2 Diabetes: 2 people, 16.67%
  5. Pain: 1 person, 8.33%
  6. Ill-Defined Disorder: 1 person, 8.33%
  7. High Blood Pressure: 1 person, 8.33%
  8. Drowsiness: 1 person, 8.33%
  9. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Levonorgestrel and Januvia?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously



Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Levonorgestrel and Januvia:

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

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 Levonorgestrel:

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 side effects of Januvia:

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 interactions between Levonorgestrel and drugs from A to Z:

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 interactions between Januvia and drugs from A to Z:

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

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on levonorgestrel and sitagliptin phosphate (the active ingredients of Levonorgestrel and Januvia, respectively), and Levonorgestrel and Januvia (the brand names). 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.



Recent studies on eHealthMe: