Lactulose and Photosensitivity reaction - a phase IV clinical study of FDA data


Photosensitivity reaction is found among people who take Lactulose, especially for people who are male, 60+ old, have been taking the drug for < 1 month.

The phase IV clinical study analyzes which people take Lactulose and have Photosensitivity reaction. It is created by eHealthMe based on reports of 40,667 people who have side effects when taking Lactulose 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 Jan, 31, 2023

40,667 people reported to have side effects when taking Lactulose.
Among them, 47 people (0.12%) have Photosensitivity reaction.

What is Lactulose?

Lactulose has active ingredients of lactulose. It is often used in constipation. eHealthMe is studying from 40,910 Lactulose users for its effectiveness, alternative drugs and more.

What is Photosensitivity reaction?

Photosensitivity reaction is found to be associated with 1,920 drugs and 1,214 conditions by eHealthMe.

Number of Lactulose and Photosensitivity reaction reports submitted per year:

Could Lactulose cause Photosensitivity reaction?

Time on Lactulose when people have Photosensitivity reaction *:

  • < 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 Photosensitivity reaction when taking Lactulose *:

  • female: 50 %
  • male: 50 %

Age of people who have Photosensitivity reaction when taking Lactulose *:

  • 0-1: 5.88 %
  • 2-9: 0.0 %
  • 10-19: 14.71 %
  • 20-29: 0.0 %
  • 30-39: 2.94 %
  • 40-49: 5.88 %
  • 50-59: 26.47 %
  • 60+: 44.12 %

Common drugs people take besides Lactulose *:

  1. Paracetamol: 13 people, 27.66%
  2. Tamsulosin: 8 people, 17.02%
  3. Senna: 7 people, 14.89%
  4. Colace: 7 people, 14.89%
  5. Cymbalta: 6 people, 12.77%
  6. Pantoprazole: 6 people, 12.77%
  7. Lantus: 6 people, 12.77%
  8. Toradol: 5 people, 10.64%
  9. Simvastatin: 5 people, 10.64%
  10. Ibuprofen: 5 people, 10.64%

Common side effects people have besides Photosensitivity reaction *:

  1. Stress And Anxiety: 12 people, 25.53%
  2. Pain: 11 people, 23.40%
  3. Depression: 11 people, 23.40%
  4. Fatigue (feeling of tiredness): 11 people, 23.40%
  5. High Blood Pressure: 9 people, 19.15%
  6. Anaemia (lack of blood): 9 people, 19.15%
  7. Chest Pain: 9 people, 19.15%
  8. Weakness: 9 people, 19.15%
  9. Confusional State: 8 people, 17.02%
  10. Joint Pain: 8 people, 17.02%

Common conditions people have *:

  1. Musculoskeletal Pain (pain affects the bones, muscles, ligaments, tendons, and nerves): 5 people, 10.64%
  2. Idiopathic Pulmonary Fibrosis (chronic lung disease): 4 people, 8.51%
  3. Ovarian Cancer (cancer of ovary): 4 people, 8.51%
  4. Hepatitis C: 4 people, 8.51%
  5. Hiv Infection: 3 people, 6.38%
  6. Multiple Myeloma (cancer of the plasma cells): 3 people, 6.38%
  7. Back Pain: 3 people, 6.38%
  8. Hepatic Cirrhosis (chronic liver disease characterized by replacement of liver tissue by fibrosis, scar tissue): 2 people, 4.26%
  9. Neuralgia (pain in one or more nerves): 2 people, 4.26%
  10. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 2 people, 4.26%

* Approximation only. Some reports may have incomplete information.

Do you take Lactulose and have Photosensitivity reaction?

Check whether Photosensitivity reaction 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 Photosensitivity reaction and when was it recovered:

Expand to all the drugs that have ingredients of lactulose:

Alternative drugs to, pros and cons of Lactulose:

Common Lactulose side effects:

Browse all side effects of Lactulose:

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Photosensitivity reaction treatments and more:

COVID vaccines that are related to Photosensitivity reaction:

Common drugs associated with Photosensitivity reaction:

All the drugs that are associated with Photosensitivity reaction:

Common conditions associated with Photosensitivity reaction:

All the conditions that are associated with Photosensitivity reaction:

How the study uses the data?

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