Lamotrigine and Hyposmia - a phase IV clinical study of FDA data

Summary:

Hyposmia is reported as a side effect among people who take Lamotrigine (lamotrigine), especially for people who are female, 50-59 old, also take Lamictal, and have Fatigue.

The phase IV clinical study analyzes which people have Hyposmia when taking Lamotrigine. It is created by eHealthMe based on reports of 72,834 people who have side effects when taking Lamotrigine from the FDA, and is updated regularly.

What is Lamotrigine?

Lamotrigine has active ingredients of lamotrigine. It is often used in bipolar disorder. eHealthMe is studying from 76,638 Lamotrigine users. Check the latest studies of Lamotrigine.

What is Hyposmia?

Hyposmia (impairment of the sense of smell) is found to be associated with 145 drugs and 287 conditions by eHealthMe. Check the latest studies of Hyposmia.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 27, 2026

72,834 people reported to have side effects when taking Lamotrigine.
Among them, 12 people (0.02%) have Hyposmia.

Among these 12 people:

What is the gender of people who have Hyposmia when taking Lamotrigine? *

female: 70 %
male: 30 %

What is the age of people who have Hyposmia when taking Lamotrigine? *

What are other drugs people take besides Lamotrigine? *

Sertraline: 3 people, 25.00%
Lamictal: 3 people, 25.00%

What are other side effects people have besides Hyposmia? *

Cranial Nerve Disorder (impaired functioning of one of the twelve cranial nerves): 8 people, 66.67%
Smell - Impaired: 4 people, 33.33%
Seizures (abnormal excessive or synchronous neuronal activity in the brain): 3 people, 25.00%
Overdose: 3 people, 25.00%
Memory Loss: 3 people, 25.00%
Hypogeusia (reduced ability to taste things (to taste sweet, sour, bitter, or salty substances)): 3 people, 25.00%
Hyperhidrosis (abnormally increased sweating): 3 people, 25.00%
Heart Attack: 3 people, 25.00%
Olfactory Nerve Disorder (disorders of taste and smell): 1 person, 8.33%

What are the existing conditions these people have? *

Fatigue (feeling of tiredness): 7 people, 58.33%
Depression: 5 people, 41.67%
Stress And Anxiety: 4 people, 33.33%
Obsessive Thoughts (intrusive thoughts that produce uneasiness, apprehension, fear, or worry): 4 people, 33.33%
Tachyphrenia (abnormally rapid mental activity): 3 people, 25.00%
Seizures (abnormal excessive or synchronous neuronal activity in the brain): 3 people, 25.00%
Partial Seizures (seizures which affect only a part of the brain at onset): 3 people, 25.00%
Panic Disorder: 3 people, 25.00%
High Blood Cholesterol: 3 people, 25.00%
Cardiac Disorder: 3 people, 25.00%

* Approximation only. Some reports may have incomplete information.

Do you take Lamotrigine and have Hyposmia?

- Check whether Hyposmia 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 Lamotrigine:

Lamotrigine (76,638 reports)

Hyposmia treatments and more:

Hyposmia (1,453 reports)

Browse all side effects of Lamotrigine:

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 Hyposmia:

Hyposmia (145 drugs)

Browse all the conditions that are associated with Hyposmia:

Hyposmia (287 conditions)

Related publications that referenced our studies

Alonso-Navarro H, Montes JM, Plaza-Nieto JF, Jiménez-Jiménez FJ, "Cataplexy Possibly Associated With Lamotrigine", Journal of clinical psychopharmacology, 2016 Aug .
Gupta MC, Khanna J, Mathur R, Mittal N, "Lamotrigine-induced fulminant hepatic failure: an unusual presentation", IMSEAR, 2015 Jan .
Alonso-Navarro H, Montes JM, Plaza-Nieto JF, Jiménez-Jiménez FJ, "Cataplexy Possibly Associated With Lamotrigine", Journal of clinical psychopharmacology, 2016 Aug .
Gupta MC, Khanna J, Mathur R, Mittal N, "Lamotrigine-induced fulminant hepatic failure: an unusual presentation", IMSEAR, 2015 Jan .

How the study uses the data?

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