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Ethosuximide Side Effects

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Common Ethosuximide Side Effects


The most commonly reported Ethosuximide side effects (click to view or check a box to report):

Condition Aggravated (7)
Convulsion (6)
Pyrexia (4)
Product Substitution Issue (4)
Petit Mal Epilepsy (4)
Benign Rolandic Epilepsy (3)
Electroencephalogram Abnormal (3)
Dizziness (3)
Pseudolymphoma (3)
Headache (3)
Fatigue (3)
Grand Mal Convulsion (2)
Arthralgia (2)
Joint Swelling (2)
Epilepsy (2)
Mania (2)
Suicidal Ideation (2)
Mucosal Haemorrhage (2)
Lymphadenopathy (2)
Liver Disorder (2)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Ethosuximide Side Effects Reported to FDA



Ethosuximide Side Effect Report#9486810
Lymphadenopathy, Toxic Epidermal Necrolysis, Complement Factor Decreased, Antinuclear Antibody Positive
This is a report of a 10-year-old female patient (weight: NA) from JP, suffering from the following health symptoms/conditions: NA, who was treated with Ethosuximide (dosage: Unk, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Lymphadenopathy, Toxic Epidermal Necrolysis, Complement Factor Decreased, Antinuclear Antibody Positive after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Ethosuximide treatment in female patients, resulting in Lymphadenopathy side effect.
Ethosuximide Side Effect Report#9486380
Convulsion, Incorrect Product Storage
This report suggests a potential Ethosuximide Convulsion side effect(s) that can have serious consequences. A 5-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: convulsion and used Ethosuximide (dosage: NA) starting 201101. After starting Ethosuximide the patient began experiencing various side effects, including: Convulsion, Incorrect Product StorageAdditional drugs used concurrently: NA. Although Ethosuximide demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Convulsion, may still occur.
Ethosuximide Side Effect Report#9410494
Aplastic Anaemia, Bone Marrow Transplant
This Aplastic Anaemia problem was reported by a consumer or non-health professional from US. A 17-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: epilepsy,petit mal epilepsy. On
Aug 20, 2011 this consumer started treatment with Ethosuximide (dosage: NA). The following drugs were being taken at the same time: NA. When using Ethosuximide, the patient experienced the following unwanted symptoms/side effects: Aplastic Anaemia, Bone Marrow TransplantThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Aplastic Anaemia, may become evident only after a product is in use by the general population.
Ethosuximide Side Effect Report#9407270
Benign Rolandic Epilepsy, Central Nervous System Lesion
This Benign Rolandic Epilepsy side effect was reported by a physician from US. A 11-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Ethosuximide (drug dosage: 375 Mg, Bid,), which was initiated on 2006. Concurrently used drugs: NA..After starting to take Ethosuximide the consumer reported adverse symptoms, such as: Benign Rolandic Epilepsy, Central Nervous System LesionThese side effects may potentially be related to Ethosuximide.
Ethosuximide Side Effect Report#9338174
Product Solubility Abnormal
This is a report of a 8.-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Ethosuximide (dosage: NA, start time:
Feb 12, 2013), combined with: NA. and developed a serious reaction and side effect(s): Product Solubility Abnormal after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Ethosuximide treatment in male patients, resulting in Product Solubility Abnormal side effect.
Ethosuximide Side Effect Report#9160703
Benign Rolandic Epilepsy
This report suggests a potential Ethosuximide Benign Rolandic Epilepsy side effect(s) that can have serious consequences. A 11-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: epilepsy,petit mal epilepsy and used Ethosuximide (dosage: NA) starting NS. After starting Ethosuximide the patient began experiencing various side effects, including: Benign Rolandic EpilepsyAdditional drugs used concurrently: NA. Although Ethosuximide demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Benign Rolandic Epilepsy, may still occur.
Ethosuximide Side Effect Report#9092129
Benign Rolandic Epilepsy
This Benign Rolandic Epilepsy problem was reported by a physician from US. A 11-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: epilepsy. On NS this consumer started treatment with Ethosuximide (dosage: 375 Mg, 2x/day). The following drugs were being taken at the same time: NA. When using Ethosuximide, the patient experienced the following unwanted symptoms/side effects: Benign Rolandic EpilepsyAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Benign Rolandic Epilepsy, may become evident only after a product is in use by the general population.
Ethosuximide Side Effect Report#8947840
Rash Morbilliform, Oropharyngeal Pain, Pyrexia, Lymphadenopathy, Hypoalbuminaemia
This Rash Morbilliform side effect was reported by a health professional from US. A 5-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Ethosuximide (drug dosage: Unk), which was initiated on NS. Concurrently used drugs: NA..After starting to take Ethosuximide the consumer reported adverse symptoms, such as: Rash Morbilliform, Oropharyngeal Pain, Pyrexia, Lymphadenopathy, HypoalbuminaemiaThese side effects may potentially be related to Ethosuximide. The patient was hospitalized.
Ethosuximide Side Effect Report#8789614
Joint Swelling, Pyrexia, White Blood Cell Count Decreased, Platelet Count Decreased, Leukaemia
This is a report of a 9-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: absence seizure, who was treated with Ethosuximide (dosage: NA, start time: 200810), combined with: NA. and developed a serious reaction and side effect(s): Joint Swelling, Pyrexia, White Blood Cell Count Decreased, Platelet Count Decreased, Leukaemia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Ethosuximide treatment in female patients, resulting in Joint Swelling side effect. The patient was hospitalized.
Ethosuximide Side Effect Report#8335877-0
Product Substitution Issue
This report suggests a potential Ethosuximide Product Substitution Issue side effect(s) that can have serious consequences. A male patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: petit mal epilepsy and used Ethosuximide (dosage: 500mg Bid) starting NS. After starting Ethosuximide the patient began experiencing various side effects, including: Product Substitution IssueAdditional drugs used concurrently: NA. Although Ethosuximide demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Product Substitution Issue, may still occur.
Ethosuximide Side Effect Report#8123288-2
Petit Mal Epilepsy, Condition Aggravated
This Petit Mal Epilepsy problem was reported by a health professional from France. A 14-year-old patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Ethosuximide (dosage: 15 Mg/kg/day). The following drugs were being taken at the same time:
  • Levetiracetam (2000mg (30 Mg/kg/day))
  • Valproate Sodium (20 Mg/kg/day)
When using Ethosuximide, the patient experienced the following unwanted symptoms/side effects: Petit Mal Epilepsy, Condition AggravatedAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Petit Mal Epilepsy, may become evident only after a product is in use by the general population.
Ethosuximide Side Effect Report#8123258-4
Condition Aggravated, Grand Mal Convulsion, Petit Mal Epilepsy
This Condition Aggravated side effect was reported by a health professional from France. A 11-year-old patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Ethosuximide (drug dosage: 17 Mg/kg/day), which was initiated on NS. Concurrently used drugs:
  • Levetiracetam (500mg (17 Mg/kg/day))
.After starting to take Ethosuximide the consumer reported adverse symptoms, such as: Condition Aggravated, Grand Mal Convulsion, Petit Mal EpilepsyThese side effects may potentially be related to Ethosuximide.
Ethosuximide Side Effect Report#8123257-2
Condition Aggravated, Petit Mal Epilepsy, Grand Mal Convulsion
This is a report of a 11-year-old patient (weight: NA) from France, suffering from the following health symptoms/conditions: NA, who was treated with Ethosuximide (dosage: 17 Mg/kg/day, start time: NS), combined with:
  • Levetiracetam (500mg (17 Mg/kg/day))
and developed a serious reaction and side effect(s): Condition Aggravated, Petit Mal Epilepsy, Grand Mal Convulsion after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Ethosuximide treatment in patients, resulting in Condition Aggravated side effect.
Ethosuximide Side Effect Report#7951975-5
Amnesia
This report suggests a potential Ethosuximide Amnesia side effect(s) that can have serious consequences. A 15-year-old female patient (weight: NA) from United Kingdom was diagnosed with the following symptoms/conditions: epilepsy and used Ethosuximide (dosage: 250 Mg, Unk) starting NS. After starting Ethosuximide the patient began experiencing various side effects, including: AmnesiaAdditional drugs used concurrently:
  • Lamotrigine (50 Mg, Unk)
Although Ethosuximide demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Amnesia, may still occur.
Ethosuximide Side Effect Report#7941809-7
Amnesia
This Amnesia problem was reported by a health professional from United Kingdom. A 15-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: epilepsy. On NS this consumer started treatment with Ethosuximide (dosage: 250 Mg, Unk). The following drugs were being taken at the same time:
  • Lamotrigine (50 Mg, Unk)
When using Ethosuximide, the patient experienced the following unwanted symptoms/side effects: AmnesiaAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Amnesia, may become evident only after a product is in use by the general population.
Ethosuximide Side Effect Report#7776477-0
Suicidal Ideation, Mania
This Suicidal Ideation side effect was reported by a physician from United States. A 10-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Ethosuximide (drug dosage: 1000 Milligram;), which was initiated on NS. Concurrently used drugs: NA..After starting to take Ethosuximide the consumer reported adverse symptoms, such as: Suicidal Ideation, ManiaThese side effects may potentially be related to Ethosuximide. The patient was hospitalized.
Ethosuximide Side Effect Report#7766968-0
Systemic Lupus Erythematosus, Arthralgia, Joint Swelling, Ocular Hyperaemia
This is a report of a 9-year-old male patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Ethosuximide (dosage: 250mg/5 Ml, Oral, start time:
Sep 09, 2010), combined with: NA. and developed a serious reaction and side effect(s): Systemic Lupus Erythematosus, Arthralgia, Joint Swelling, Ocular Hyperaemia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Ethosuximide treatment in male patients, resulting in Systemic Lupus Erythematosus side effect.
Ethosuximide Side Effect Report#7714912-4
Headache, Mood Swings, Mania, Pressure Of Speech, Paranoia, Abnormal Behaviour, Psychotic Disorder, Aggression, Suicidal Ideation
This report suggests a potential Ethosuximide Headache side effect(s) that can have serious consequences. A 10-year-old male patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: NA and used Ethosuximide (dosage: 750 Mg, 2x/day) starting NS. After starting Ethosuximide the patient began experiencing various side effects, including: Headache, Mood Swings, Mania, Pressure Of Speech, Paranoia, Abnormal Behaviour, Psychotic Disorder, Aggression, Suicidal IdeationAdditional drugs used concurrently: NA.The patient was hospitalized. Although Ethosuximide demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Headache, may still occur.
Ethosuximide Side Effect Report#7706298-6
Anxiety, Crying, Autism
This Anxiety problem was reported by a health professional from United States. A 14-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Ethosuximide (dosage: Unk). The following drugs were being taken at the same time: NA. When using Ethosuximide, the patient experienced the following unwanted symptoms/side effects: Anxiety, Crying, AutismAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Anxiety, may become evident only after a product is in use by the general population.
Ethosuximide Side Effect Report#7406982-8
Eating Disorder, Aphthous Stomatitis, Oral Pain
This Eating Disorder side effect was reported by a consumer or non-health professional from United States. A female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Ethosuximide (drug dosage: Unk), which was initiated on
Mar 24, 2011. Concurrently used drugs:
  • Sertraline (Unk)
  • Trazodone (Unk)
  • Clonazepam (Unk)
  • Naproxen (Unk)
  • Verapamil (Unk)
  • Neurontin (200 Mg, 1x/day)
  • Vicodin (Unk)
.After starting to take Ethosuximide the consumer reported adverse symptoms, such as: Eating Disorder, Aphthous Stomatitis, Oral PainThese side effects may potentially be related to Ethosuximide.
Ethosuximide Side Effect Report#7010364-0
Hepatic Adenoma
This is a report of a 22-year-old male patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Ethosuximide (dosage: NA, start time: NS), combined with:
  • Phenobarbital
  • Carbamazepine
  • Valproic Acid
and developed a serious reaction and side effect(s): Hepatic Adenoma after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Ethosuximide treatment in male patients, resulting in Hepatic Adenoma side effect.
Ethosuximide Side Effect Report#6722836-4
Abdominal Pain, Arthralgia, Cognitive Disorder, Dizziness, Headache, Lacrimation Increased, Pain, Tremor
This report suggests a potential Ethosuximide Abdominal Pain side effect(s) that can have serious consequences. A male patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: epilepsy and used Ethosuximide (dosage: 250-750 Mg Daily Po) starting
Jan 18, 2010. After starting Ethosuximide the patient began experiencing various side effects, including: Abdominal Pain, Arthralgia, Cognitive Disorder, Dizziness, Headache, Lacrimation Increased, Pain, TremorAdditional drugs used concurrently: NA.The patient was hospitalized. Although Ethosuximide demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Abdominal Pain, may still occur.
Ethosuximide Side Effect Report#6671460-0
Blood Pressure Increased, Dizziness
This Blood Pressure Increased problem was reported by a consumer or non-health professional from United States. A 61-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: convulsion. On
Sep 07, 2009 this consumer started treatment with Ethosuximide (dosage: 1 Capsule 3 Times Daily 3 Daily). The following drugs were being taken at the same time: NA. When using Ethosuximide, the patient experienced the following unwanted symptoms/side effects: Blood Pressure Increased, DizzinessAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Blood Pressure Increased, may become evident only after a product is in use by the general population.
Ethosuximide Side Effect Report#6526101-X
Electroencephalogram Abnormal, Hiccups, Selective Mutism
This Electroencephalogram Abnormal side effect was reported by a physician from Japan. A 23-year-old male patient (weight:NA) experienced the following symptoms/conditions: epilepsy.The patient was prescribed Ethosuximide (drug dosage: 500 Mg, 1x/day), which was initiated on NS. Concurrently used drugs: NA..After starting to take Ethosuximide the consumer reported adverse symptoms, such as: Electroencephalogram Abnormal, Hiccups, Selective MutismThese side effects may potentially be related to Ethosuximide. The patient was hospitalized.
Ethosuximide Side Effect Report#6413313-9
Condition Aggravated, Convulsion, Poisoning, Product Substitution Issue
This is a report of a 9-year-old male patient (weight: NA) from United States, suffering from the following health symptoms/conditions: epilepsy, who was treated with Ethosuximide (dosage: N/a, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Condition Aggravated, Convulsion, Poisoning, Product Substitution Issue after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Ethosuximide treatment in male patients, resulting in Condition Aggravated side effect.


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The appearance of Ethosuximide on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.

What are common Ethosuximide Side Effects for Men?

Men Side EffectsReports
Convulsion 4
Product Substitution Issue 4
Condition Aggravated 3
Pseudolymphoma 3
Pyrexia 3
Arthralgia 2
Dizziness 2
Headache 2
Mania 2
Suicidal Ideation 2

Track Your Side Effects

Note Your Observations

It is really important to keep track of your health symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

    You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

    Ethosuximide reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
    FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.

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    Ethosuximide Safety Alerts, Active Ingredients, Usage Information

    NDC0093-9660
    TypeHUMAN PRESCRIPTION DRUG
    Proprietary NameEthosuximide
    NameEthosuximide
    Dosage FormSOLUTION
    RouteORAL
    On market since19940701
    LabelerTeva Pharmaceuticals USA Inc
    Active Ingredient(s)ETHOSUXIMIDE
    Strength(s)250
    Unit(s)mg/5mL
    Pharma ClassAnti-epileptic Agent [EPC],Decreased Central Nervous System Disorganized Electrical Activity [PE]

    Ethosuximide Dosage, Warnings, Usage.

    Side Effects reported to FDA: 42

    Ethosuximide safety alerts: No

    Reported hospitalizations: 14

    Latest Ethosuximide clinical trials