Lariam and Lexapro drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Lariam (mefloquine hydrochloride) and Lexapro (escitalopram oxalate). Common drug interactions include mental impairment among females and abnormal dreams among males.

The phase IV clinical study analyzes what interactions people have when they take Lariam and Lexapro. It is created by eHealthMe based on reports of 19 people who take the same drugs from the FDA, and is updated regularly.

What is Lariam?

Lariam has active ingredients of mefloquine hydrochloride. It is often used in malaria. eHealthMe is studying from 3,145 Lariam users. Check the latest studies of Lariam.

What is Lexapro?

Lexapro has active ingredients of escitalopram oxalate. It is often used in depression. eHealthMe is studying from 91,464 Lexapro users. Check the latest studies of Lexapro.



On Jul, 14, 2026

19 people who take Lariam and Lexapro together, and have interactions are studied.

Lariam and Lexapro drug interactions.

What are the common drug interactions of Lariam and Lexapro, by gender? *:

female:

  1. Mental impairment (a condition affecting the body, perhaps through sight or hearing loss, a mobility difficulty or a health condition)
  2. Self-injurious ideation
  3. Abnormal behaviour
  4. Nervousness
  5. Fatigue (feeling of tiredness)
  6. Insomnia (sleeplessness)
  7. Pain
  8. Panic attack
  9. Abasia (inability to walk)
  10. Abdominal discomfort

male:

  1. Abnormal dreams
  2. Fatigue (feeling of tiredness)
  3. Ill-defined disorder
  4. Mental disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability)
  5. Pyrexia (fever)
  6. Sleep disorder
  7. Tremor (trembling or shaking movements in one or more parts of your body)
  8. Brain injury
  9. Chemical injury

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

  1. Panic attack
  2. Paranoia (psychotic disorder characterized by delusions of persecution with or without grandeur)

30-39:

n/a

40-49:

  1. Abnormal dreams
  2. Fatigue (feeling of tiredness)
  3. Ill-defined disorder
  4. Mental disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability)
  5. Pyrexia (fever)
  6. Sleep disorder
  7. Tremor (trembling or shaking movements in one or more parts of your body)

50-59:

  1. Erythema (redness of the skin)
  2. Fatigue (feeling of tiredness)
  3. Gastrointestinal disorder (functional problems of gastrointestinal tract)
  4. Hot flush (sudden feelings of heat)
  5. Insomnia (sleeplessness)
  6. Palpitations (feelings or sensations that your heart is pounding or racing)
  7. Panic attack

60+:

  1. Homicidal ideation (thoughts about human killing another human)
  2. Mental impairment (a condition affecting the body, perhaps through sight or hearing loss, a mobility difficulty or a health condition)
  3. Abnormal sleep-related event
  4. Agitation (state of anxiety or nervous excitement)
  5. Alcohol use
  6. Anger
  7. Anorexia (eating disorder characterized by immoderate food restriction and irrational fear of gaining weight)
  8. Arthralgia (joint pain)
  9. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  10. Arthropathy

What are the existing conditions these people have? *

  1. Quit Smoking: 13 people, 68.42%
  2. Stress And Anxiety: 12 people, 63.16%
  3. Back Pain: 12 people, 63.16%
  4. Pain: 6 people, 31.58%
  5. Bipolar I Disorder (mood disorder that is characterized by at least one manic or mixed episode): 6 people, 31.58%
  6. Abdominal Discomfort: 6 people, 31.58%
  7. Gastric Disorder (disease of stomach): 4 people, 21.05%

* Approximation only. Some reports may have incomplete information.

Do you take Lariam and Lexapro?

- 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 Lariam and Lexapro:

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 Lariam:

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 Lexapro:

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 Lariam 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 Lexapro 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 mefloquine hydrochloride and escitalopram oxalate (the active ingredients of Lariam and Lexapro, respectively), and Lariam and Lexapro (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: