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Lorazepam and Encephalitis - a phase IV clinical study of FDA data

Summary:

Encephalitis is reported as a side effect among people who take Lorazepam (lorazepam), especially for people who are female, 20-29 old, have been taking the drug for < 1 month also take Midazolam, and have Status epilepticus.

The phase IV clinical study analyzes which people have Encephalitis when taking Lorazepam. It is created by eHealthMe based on reports of 161,687 people who have side effects when taking Lorazepam from the FDA, and is updated regularly.

What is Lorazepam?

Lorazepam has active ingredients of lorazepam. It is often used in stress and anxiety. eHealthMe is studying from 165,626 Lorazepam users. Check the latest studies of Lorazepam.

What is Encephalitis?

Encephalitis (inflammation of the brain) is found to be associated with 717 drugs and 839 conditions by eHealthMe. Check the latest studies of Encephalitis.

On Aug, 12, 2025

161,687 people reported to have side effects when taking Lorazepam.
Among them, 112 people (0.07%) have Encephalitis.

Could Lorazepam cause Encephalitis?

Among these 112 people:

How long have people been on Lorazepam when they have Encephalitis? *

  • < 1 month: 80 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 20 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

What is the gender of people who have Encephalitis when taking Lorazepam? *

  • female: 71.29 %
  • male: 28.71 %

What is the age of people who have Encephalitis when taking Lorazepam? *

  • 0-1: 0.0 %
  • 2-9: 2.04 %
  • 10-19: 10.2 %
  • 20-29: 38.78 %
  • 30-39: 7.14 %
  • 40-49: 10.2 %
  • 50-59: 9.18 %
  • 60+: 22.45 %

What are other drugs people take besides Lorazepam? *

  1. Midazolam: 33 people, 29.46%
  2. Propofol: 32 people, 28.57%
  3. Acyclovir: 31 people, 27.68%
  4. Vimpat: 31 people, 27.68%
  5. Methylprednisolone: 31 people, 27.68%
  6. Valproic Acid: 31 people, 27.68%
  7. Dexamethasone: 30 people, 26.79%
  8. Ketamine Hydrochloride: 30 people, 26.79%
  9. Clobazam: 29 people, 25.89%
  10. Magnesium Sulfate: 29 people, 25.89%

What are other side effects people have besides Encephalitis? *

  1. Status Epilepticus (a life-threatening condition in which the brain is in a state of persistent seizure): 48 people, 42.86%
  2. Rashes (redness): 40 people, 35.71%
  3. Drug Hypersensitivity: 39 people, 34.82%
  4. Antinuclear Antibody Positive: 39 people, 34.82%
  5. Csf Oligoclonal Band Present: 39 people, 34.82%
  6. Partial Seizures (seizures which affect only a part of the brain at onset): 39 people, 34.82%
  7. Pleocytosis (increased cell count): 39 people, 34.82%
  8. Arrhythmias (irregular heartbeat): 36 people, 32.14%
  9. Blood Gases Abnormal: 30 people, 26.79%
  10. Electrocardiogram Qt Prolonged: 30 people, 26.79%

What are the existing conditions these people have? *

  1. Status Epilepticus (a life-threatening condition in which the brain is in a state of persistent seizure): 34 people, 30.36%
  2. Seizures (abnormal excessive or synchronous neuronal activity in the brain): 12 people, 10.71%
  3. Nausea (feeling of having an urge to vomit): 9 people, 8.04%
  4. High Blood Pressure: 7 people, 6.25%
  5. Back Pain: 6 people, 5.36%
  6. Pain: 6 people, 5.36%
  7. Agitation (state of anxiety or nervous excitement): 6 people, 5.36%
  8. Multiple Myeloma (cancer of the plasma cells): 5 people, 4.46%
  9. Nausea And Vomiting: 5 people, 4.46%
  10. Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection): 5 people, 4.46%

* Approximation only. Some reports may have incomplete information.

Do you take Lorazepam and have Encephalitis?

- Check whether Encephalitis 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 Lorazepam:

Encephalitis treatments and more:

How severe was Encephalitis and when was it recovered:

Expand to all the drugs that have ingredients of lorazepam:

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+

Common Lorazepam side effects:

Browse all side effects of Lorazepam:

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

Common drugs associated with Encephalitis:

Browse all the drugs that are associated with Encephalitis:

Common conditions associated with Encephalitis:

Browse all the conditions that are associated with Encephalitis:

Drugs similar to Lorazepam and Encephalitis :

How the study uses the data?

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