This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Lariam (Mefloquine) and submitted to the FDA during the sample period of about a year. The information is not vetted and should not be considered as verified clinical evidence.
Reports by Event Outcome
All Cases (80)
Life Threatening Events (10)
Disability (12)
Reports by Reaction Type
Anxiety (18),
Depression (16),
Tinnitus (12),
Dizziness (12),
Anger (11),
Nightmare (11),
Suicidal Ideation (10),
Balance Disorder (10),
Sleep Disorder (10),
Paranoia (8),
Psychotic Disorder (8),
Insomnia (8)
Below are a few examples of reports where side effects / adverse reactions may be related to Lariam (Mefloquine). For a complete list or a specific selection of reports, please use the links above.
Possible Lariam side effects in 26 year old male
Reported by a consumer/non-health professional from Ireland on 2012-08-22
Patient: 26 year old male, weighing 72.6 kg (159.7 pounds)
Reactions: Completed Suicide
Drug(s) suspected as cause:
Lariam
Indication: Malaria
Start date: 2009-01-11
End date: 2009-06-13
Lariam
Indication: Malaria
Start date: 2005-01-01
End date: 2005-06-01
Possible Lariam side effects in 45 year old male
Reported by a physician from France on 2012-08-22
Patient: 45 year old male
Reactions: Agitation, Suicide Attempt, Delirium, Aggression
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Lariam
Other drugs received by patient: Aspirin; Simvastatin
Possible Lariam side effects in 31 year old male
Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2012-08-20
Patient: 31 year old male
Reactions: Electrocardiogram QT Prolonged, Arrhythmia
Adverse event resulted in: life threatening event
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in male
Reported by a consumer/non-health professional from Australia on 2012-08-20
Patient: male
Reactions: Headache, Somnolence
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in female
Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2012-08-20
Patient: female, weighing 74.1 kg (163.0 pounds)
Reactions: Maternal Exposure During Pregnancy, Acute Psychosis
Drug(s) suspected as cause:
Lariam
Other drugs received by patient: Pregnacare
Possible Lariam side effects in male
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-10
Patient: male, weighing 77.1 kg (169.6 pounds)
Reactions: Balance Disorder, Photophobia, Reading Disorder, Toxicity To Various Agents
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 18 year old female
Reported by a individual with unspecified qualification from United States on 2012-08-03
Patient: 18 year old female
Reactions: Claustrophobia, Loss of Consciousness, Delusion, Thinking Abnormal, Road Traffic Accident, Anger, Violence-Related Symptom, Depression, Feeling Abnormal
Adverse event resulted in: life threatening event
Drug(s) suspected as cause:
Lariam
Lariam
Dosage: 250 mg once a week po
Administration route: Oral
Indication: Malaria Prophylaxis
Start date: 2012-05-29
Possible Lariam side effects in 29 year old female
Reported by a lawyer from United Kingdom on 2012-07-12
Patient: 29 year old female, weighing 65.8 kg (144.7 pounds)
Reactions: Anxiety, Depression, Hallucination
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 26 year old female
Reported by a lawyer from Italy on 2012-07-06
Patient: 26 year old female, weighing 44.0 kg (96.8 pounds)
Reactions: Weight Decreased, Labyrinthitis, Tinnitus, Nausea, Hypotension, Rash, Headache, Abdominal Pain Upper, Abnormal Dreams, Fatigue, Balance Disorder, Diarrhoea, Dizziness, Hallucination
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 18 year old female
Reported by a physician from Germany on 2012-07-06
Patient: 18 year old female
Reactions: Malaria, Fatigue, Fear, Dizziness, Agoraphobia
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 21 year old male
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-05
Patient: 21 year old male, weighing 83.9 kg (184.6 pounds)
Reactions: Abnormal Dreams, Mania, Psychotic Disorder, Drug Ineffective, Insomnia, Cold Sweat
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 36 year old male
Reported by a individual with unspecified qualification from Ireland on 2012-07-05
Patient: 36 year old male, weighing 98.0 kg (215.6 pounds)
Reactions: Anxiety, Arthralgia, Insomnia, Pain, Anger, Skin Disorder, Depression, Suicidal Ideation
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Lariam
Dosage: 1 tablet weekly po
Administration route: Oral
Indication: Malaria Prophylaxis
Start date: 2003-10-15
End date: 2004-06-15
Lariam
Dosage: 1 tablet weekly po
Administration route: Oral
Indication: Malaria Prophylaxis
Start date: 2003-10-15
End date: 2004-06-15
Possible Lariam side effects in 24 year old male
Reported by a consumer/non-health professional from Denmark on 2012-06-22
Patient: 24 year old male
Reactions: Malaise, Learning Disability, Memory Impairment, Depression, Ill-Defined Disorder, Epilepsy, Convulsion
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 23 year old female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-06-13
Patient: 23 year old female, weighing 52.2 kg (114.8 pounds)
Reactions: Paranoia, Mental Disorder, Vertigo, Anger, Depression, Emotional Disorder
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in male
Reported by a physician from Germany on 2012-06-11
Patient: male
Reactions: Abdominal Discomfort, Maternal Drugs Affecting Foetus, Kidney Malformation, Irritable Bowel Syndrome, Gastrooesophageal Reflux Disease
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 20 year old male
Reported by a physician from Finland on 2012-06-08
Patient: 20 year old male
Reactions: Anxiety, Hyperventilation, Nausea, Dizziness, Hypoaesthesia, Salivary Hypersecretion, Panic Disorder
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in female
Reported by a physician from France on 2012-06-07
Patient: female
Reactions: Liver Disorder
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 37 year old female
Reported by a consumer/non-health professional from United States on 2012-06-01
Patient: 37 year old female, weighing 108.9 kg (239.5 pounds)
Reactions: Liver Injury, Tinnitus, Contusion, Restless Legs Syndrome, Deafness, Platelet Count Increased, Fatigue, Balance Disorder, Aplastic Anaemia, Mean Platelet Volume Decreased, Gingival Bleeding, Neutrophil Count Increased, Eosinophil Count Increased, Myoclonus, Sleep Disorder, Heart Rate Increased, Vertigo, Urticaria Chronic
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 20 year old male
Reported by a consumer/non-health professional from Finland on 2012-06-01
Patient: 20 year old male
Reactions: Anxiety, Nausea, Dizziness, Hypoaesthesia, Panic Disorder
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in male
Reported by a physician from Germany on 2012-05-31
Patient: male
Reactions: Abdominal Discomfort, Maternal Drugs Affecting Foetus, Irritable Bowel Syndrome, Kidney Malformation, Gastrooesophageal Reflux Disease
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in male
Reported by a physician from Ireland on 2012-05-18
Patient: male
Reactions: Weight Decreased, Headache, Self Injurious Behaviour, Paraesthesia, Abnormal Dreams, Anxiety, Psychotic Disorder, Diarrhoea, Sleep Disorder, Dehydration, Decreased Appetite, Muscle Spasms
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in female
Reported by a physician from United Kingdom on 2012-05-18
Patient: female
Reactions: Renal Disorder, Limb Injury, Proteinuria, Abdominal Distension, Mental Disorder, Ill-Defined Disorder, Face Injury, Nephrotic Syndrome
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in female
Reported by a physician from Germany on 2012-05-09
Patient: female, weighing 6.2 kg (13.8 pounds)
Reactions: Anaphylactic Shock
Adverse event resulted in: life threatening event, hospitalization
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 23 year old male
Reported by a consumer/non-health professional from United States on 2012-04-20
Patient: 23 year old male, weighing 77.1 kg (169.6 pounds)
Reactions: Grand MAL Convulsion
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in male
Reported by a physician from Netherlands on 2012-04-17
Patient: male
Reactions: Thinking Abnormal, Restlessness, Derealisation
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in
Reported by a pharmacist from Germany on 2012-04-13
Patient:
Reactions: Encephalitis Japanese B
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in
Reported by a pharmacist from United States on 2012-04-11
Patient:
Reactions: Homicide
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in male
Reported by a physician from Germany on 2012-04-10
Patient: male
Reactions: Abdominal Discomfort, Maternal Drugs Affecting Foetus, Kidney Malformation, Irritable Bowel Syndrome, Gastrooesophageal Reflux Disease
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 22 year old female
Reported by a consumer/non-health professional from United States on 2012-04-09
Patient: 22 year old female, weighing 99.8 kg (219.5 pounds)
Reactions: Nightmare, Paranoia, Personality Disorder, Intentional Self-Injury, Suicidal Ideation, Irritability, Psychotic Disorder, Post-Traumatic Stress Disorder, Bipolar Disorder, Major Depression, Anger, Homicidal Ideation, GUN Shot Wound, Flashback, Hallucination
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Lariam
Possible Lariam side effects in 34 year old male
Reported by a consumer/non-health professional from United States on 2012-04-06
Patient: 34 year old male, weighing 72.7 kg (159.9 pounds)
Reactions: Anxiety, Abnormal Dreams, Panic Attack, Tinnitus, Paranoia, Nervous System Disorder, Hypoaesthesia
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Lariam
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