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Lamictal and Vomiting projectile - a phase IV clinical study of FDA data

Summary:

Vomiting projectile is reported as a side effect among people who take Lamictal (lamotrigine), especially for people who are female, 10-19 old, have been taking the drug for < 1 month also take Phenytoin, and have Seizures.

The phase IV clinical study analyzes which people have Vomiting projectile when taking Lamictal. It is created by eHealthMe based on reports of 74,218 people who have side effects when taking Lamictal from the FDA, and is updated regularly.

What is Lamictal?

Lamictal has active ingredients of lamotrigine. It is often used in bipolar disorder. eHealthMe is studying from 82,626 Lamictal users. Check the latest studies of Lamictal.

What is Vomiting projectile?

Vomiting projectile is found to be associated with 287 drugs and 410 conditions by eHealthMe. Check the latest studies of Vomiting projectile.

On Jul, 26, 2026

74,218 people reported to have side effects when taking Lamictal.
Among them, 34 people (0.05%) have Vomiting projectile.

Could Lamictal cause Vomiting projectile?

Among these 34 people:

How long have people been on Lamictal when they have Vomiting projectile? *

  • < 1 month: 50 %
  • 1 - 6 months: 50 %
  • 6 - 12 months: 0.0 %
  • 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 Vomiting projectile when taking Lamictal? *

  • female: 94.12 %
  • male: 5.88 %

What is the age of people who have Vomiting projectile when taking Lamictal? *

  • 0-1: 7.69 %
  • 2-9: 7.69 %
  • 10-19: 30.77 %
  • 20-29: 15.38 %
  • 30-39: 11.54 %
  • 40-49: 15.38 %
  • 50-59: 3.85 %
  • 60+: 7.69 %

What are other drugs people take besides Lamictal? *

  1. Phenytoin: 9 people, 26.47%
  2. Melatonin: 8 people, 23.53%
  3. Augmentin: 7 people, 20.59%
  4. Augmentin '125': 6 people, 17.65%
  5. Daybue: 5 people, 14.71%
  6. Ibuprofen: 4 people, 11.76%
  7. Vitamin D3: 3 people, 8.82%
  8. Ambien: 3 people, 8.82%
  9. Lamotrigine: 3 people, 8.82%
  10. Klonopin: 2 people, 5.88%

What are other side effects people have besides Vomiting projectile? *

  1. Diarrhea: 21 people, 61.76%
  2. Drug Ineffective: 15 people, 44.12%
  3. Rashes (redness): 14 people, 41.18%
  4. Lactose Intolerance (inability to digest lactose): 13 people, 38.24%
  5. Upper Limb Fracture: 13 people, 38.24%
  6. Pharyngeal Oedema (abnormal accumulation of fluid in the cavities and intercellular spaces of the pharyngeal): 13 people, 38.24%
  7. Nosebleed (bleeding from nose): 13 people, 38.24%
  8. Upper Respiratory Tract Infection: 13 people, 38.24%
  9. Abnormal Faeces (abnormal stool): 12 people, 35.29%
  10. Urinary Retention (the inability to completely or partially empty the bladder): 10 people, 29.41%

What are the existing conditions these people have? *

  1. Seizures (abnormal excessive or synchronous neuronal activity in the brain): 6 people, 17.65%
  2. Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 4 people, 11.76%
  3. Insomnia (sleeplessness): 3 people, 8.82%
  4. Cardiac Disorder: 3 people, 8.82%
  5. Glaucoma (increased fluid pressure in the eye with vision loss): 2 people, 5.88%
  6. Mental Disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability): 2 people, 5.88%
  7. Migraine (headache): 2 people, 5.88%
  8. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 5.88%
  9. Pain: 2 people, 5.88%
  10. Hypersensitivity: 2 people, 5.88%

* Approximation only. Some reports may have incomplete information.

Do you take Lamictal and have Vomiting projectile?

- Check whether Vomiting projectile 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 Lamictal:

Vomiting projectile treatments and more:

How severe was Vomiting projectile and when was it recovered:

Expand to all the drugs that have ingredients of lamotrigine:

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 Lamictal:

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 the drugs that are associated with Vomiting projectile:

Browse all the conditions that are associated with Vomiting projectile:

Related publications that referenced our studies

How the study uses the data?

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