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Eutirox Side Effects

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Common Eutirox Side Effects


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

Lip Swelling (4)
Trismus (3)
Paraesthesia (3)
Dry Mouth (3)
Off Label Use (3)
Urticaria (2)
Tachycardia (2)
Vertigo (2)
Angiodysplasia (2)
Suicide Attempt (2)
Hypothyroidism (2)
Monoplegia (2)
Myalgia (2)
Photophobia (2)
Pruritus (2)
Paralysis (2)
Nystagmus (2)
Renal Impairment (2)
Pustular Psoriasis (2)
Rhabdomyolysis (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.

Eutirox Side Effects Reported to FDA



Eutirox Side Effect Report#9988779
Toxic Skin Eruption
This is a report of a 58-year-old female patient (weight: NA) from PA, suffering from the following health symptoms/conditions: NA, who was treated with Eutirox (levothyroxine Sodium) (dosage: NA, start time: NS), combined with:
  • Rivotril (clonazepam)
  • Karvea Hct
and developed a serious reaction and side effect(s): Toxic Skin Eruption after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Eutirox (levothyroxine Sodium) treatment in female patients, resulting in Toxic Skin Eruption side effect.
Eutirox Side Effect Report#9856708
Rash Maculo-papular, Pruritus
This report suggests a potential Eutirox (levothyroxine Sodium) Rash Maculo-papular side effect(s) that can have serious consequences. A 81-year-old female patient (weight: NA) from ES was diagnosed with the following symptoms/conditions: hypothyroidism,anxiety,insomnia,depression and used Eutirox (levothyroxine Sodium) (dosage: NA) starting 201305. After starting Eutirox (levothyroxine Sodium) the patient began experiencing various side effects, including: Rash Maculo-papular, PruritusAdditional drugs used concurrently:
  • Lexatin
  • Lorazepam (lorazepam) (lorazepam)
  • Escitalopram (escitalopram)
  • Clopidogrel (clopidogrel) (clopidogrel)
  • Atorvastatin (atorvastatin) (atorvastatin)
  • Zamene (deflazacort) (deflazacort)
The patient was hospitalized. Although Eutirox (levothyroxine Sodium) demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Rash Maculo-papular, may still occur.
Eutirox Side Effect Report#9700829
Hyperthyroidism, Tachycardia
This Hyperthyroidism problem was reported by a consumer or non-health professional from ES. A 61-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On 2013 this consumer started treatment with Eutirox (dosage: NA). The following drugs were being taken at the same time: NA. When using Eutirox, the patient experienced the following unwanted symptoms/side effects: Hyperthyroidism, TachycardiaAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Hyperthyroidism, may become evident only after a product is in use by the general population.
Eutirox Side Effect Report#9464063
Vertebral Artery Thrombosis
This Vertebral Artery Thrombosis side effect was reported by a physician from IT. A 62-year-old female patient (weight:NA) experienced the following symptoms/conditions: hypothyroidism,hypertension,metastatic salivary gland cancer.The patient was prescribed Eutirox (drug dosage: 50 Mcg Daily), which was initiated on
May 16, 2012. Concurrently used drugs:
  • Norvasc (5 Mg Daily)
  • Sorafenib (raf Kinase Inhibitor) (400 Mg, Bid)
  • Sorafenib (raf Kinase Inhibitor) (300 Mg, Bid)
  • Sorafenib (raf Kinase Inhibitor) (200 Mg, Bid)
  • Pantoprazole (40 Mg Daily)
.After starting to take Eutirox the consumer reported adverse symptoms, such as: Vertebral Artery ThrombosisThese side effects may potentially be related to Eutirox.
Eutirox Side Effect Report#9430543
Myalgia, Arthralgia, Alcoholism, Menorrhagia, Palpitations
This is a report of a 45-year-old female patient (weight: NA) from ES, suffering from the following health symptoms/conditions: primary hypothyroidism, who was treated with Eutirox (dosage: NA, start time:
Jun 17, 2013), combined with:
  • Levothyroxine Sodium
and developed a serious reaction and side effect(s): Myalgia, Arthralgia, Alcoholism, Menorrhagia, Palpitations after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Eutirox treatment in female patients, resulting in Myalgia side effect.
Eutirox Side Effect Report#9420994
Tachycardia
This report suggests a potential Eutirox (levothyroxine Sodium) Tachycardia side effect(s) that can have serious consequences. A 33-year-old female patient (weight: NA) from PT was diagnosed with the following symptoms/conditions: hypothyroidism and used Eutirox (levothyroxine Sodium) (dosage: NA) starting
May 26, 2013. After starting Eutirox (levothyroxine Sodium) the patient began experiencing various side effects, including: TachycardiaAdditional drugs used concurrently:
  • Ethinylestradiol W/ Gestodene (femodene) (coated Tablet) (ethinylestradiol, Gestodone)
Although Eutirox (levothyroxine Sodium) demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Tachycardia, may still occur.
Eutirox Side Effect Report#9309033
Renal Failure Acute, Hypoglycaemia, Metabolic Acidosis
This Renal Failure Acute problem was reported by a health professional from IT. A 54-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: thyroiditis,diabetes mellitus. On
Jan 01, 2005 this consumer started treatment with Eutirox (dosage: NA). The following drugs were being taken at the same time: NA. When using Eutirox, the patient experienced the following unwanted symptoms/side effects: Renal Failure Acute, Hypoglycaemia, Metabolic AcidosisThe 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 Renal Failure Acute, may become evident only after a product is in use by the general population.
Eutirox Side Effect Report#9156561
Gastrooesophageal Reflux Disease, Cough, Salivary Hypersecretion, Headache, Vomiting
This Gastrooesophageal Reflux Disease side effect was reported by a consumer or non-health professional from MX. A 60-year-old female patient (weight:NA) experienced the following symptoms/conditions: thyroidectomy,hypothyroidism.The patient was prescribed Eutirox (levothyroxine Sodium) (drug dosage: 100, 1 In 1 D), which was initiated on 1986. Concurrently used drugs: NA..After starting to take Eutirox (levothyroxine Sodium) the consumer reported adverse symptoms, such as: Gastrooesophageal Reflux Disease, Cough, Salivary Hypersecretion, Headache, VomitingThese side effects may potentially be related to Eutirox (levothyroxine Sodium).
Eutirox Side Effect Report#8923596
Upper Gastrointestinal Haemorrhage, Apparent Life Threatening Event
This is a report of a 70-year-old female patient (weight: NA) from ES, suffering from the following health symptoms/conditions: NA, who was treated with Eutirox (levothyroxine Sodium) (dosage: NA, start time:
Jan 19, 2011), combined with:
  • Sintrom
  • Pantoparazole (pantoprazole)
  • Seguril (furosemide)
  • Renitec (enalapril) (enalapril Maleate)
  • Digoxin (digoxin)
and developed a serious reaction and side effect(s): Upper Gastrointestinal Haemorrhage, Apparent Life Threatening Event after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Eutirox (levothyroxine Sodium) treatment in female patients, resulting in Upper Gastrointestinal Haemorrhage side effect. The patient was hospitalized.
Eutirox Side Effect Report#8791220
Hepatitis, Rhabdomyolysis, Hypothyroidism, Renal Impairment
This report suggests a potential Eutirox Hepatitis side effect(s) that can have serious consequences. A 13-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Eutirox (dosage: (0.05 Mg, 1 In 1d) Increase Of The Daily Dose) starting
Nov 30, 2010. After starting Eutirox the patient began experiencing various side effects, including: Hepatitis, Rhabdomyolysis, Hypothyroidism, Renal ImpairmentAdditional drugs used concurrently:
  • Calcium Carbonate ((500 Mg, 3 In 1 D))
  • Resical (calcium Polystyrene Sulfonate) Powder For Oral Suspension) ((15 Gm, 2 In 1 D))
  • Bicarbonato De Sodio Labesfal (sodium Bicarbonate) (capsule, Hard) ((4 Gm, 1 In 1 D))
  • Catalip
  • Catalip
  • Ferrum ((100 Mg, 2 In 1 D))
  • Rocaltrol (calcitriol) (capsule, Soft)
The patient was hospitalized and became disabled. Although Eutirox demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Hepatitis, may still occur.
Eutirox Side Effect Report#8791220
Hepatitis, Rhabdomyolysis, Hypothyroidism, Renal Impairment
This Hepatitis problem was reported by a consumer or non-health professional from PT. A 13-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: hypothyroidism,renal failure chronic. On
Nov 30, 2010 this consumer started treatment with Eutirox (dosage: NA). The following drugs were being taken at the same time:
  • Calcium Carbonate
  • Resical (calcium Polystyrene Sulfonate) Powder For Oral Suspension)
  • Bicarbonato De Sodio Labesfal (sodium Bicarbonate) (capsule, Hard)
  • Catalip
  • Ferrum
  • Rocaltrol (calcitriol)
When using Eutirox, the patient experienced the following unwanted symptoms/side effects: Hepatitis, Rhabdomyolysis, Hypothyroidism, Renal ImpairmentThe patient was hospitalized and became disabled.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Hepatitis, may become evident only after a product is in use by the general population.
Eutirox Side Effect Report#7912648-8
Myositis
This Myositis side effect was reported by a consumer or non-health professional from Italy. A 62-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Eutirox /00068001/ (drug dosage: NA), which was initiated on
Oct 12, 2011. Concurrently used drugs:
  • Cubicin
  • Mestinon
.After starting to take Eutirox /00068001/ the consumer reported adverse symptoms, such as: MyositisThese side effects may potentially be related to Eutirox /00068001/.
Eutirox Side Effect Report#7584310-5
Abdominal Pain, Hepatic Pain, Biliary Colic
This is a report of a 60-year-old female patient (weight: NA) from Hungary, suffering from the following health symptoms/conditions: NA, who was treated with Eutirox (dosage: Unk, start time:
Jan 01, 2010), combined with:
  • Atorvastatin Calcium (20 Mg, 1x/day)
  • Atorvastatin Calcium (Unk)
and developed a serious reaction and side effect(s): Abdominal Pain, Hepatic Pain, Biliary Colic after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Eutirox treatment in female patients, resulting in Abdominal Pain side effect.
Eutirox Side Effect Report#7581564-6
Thyroid Cancer, Concomitant Disease Progression, Thyroid Neoplasm
This report suggests a potential Eutirox Thyroid Cancer side effect(s) that can have serious consequences. A female patient (weight: NA) from Italy was diagnosed with the following symptoms/conditions: NA and used Eutirox (dosage: 75 Mg, Unk) starting
Jun 25, 2008. After starting Eutirox the patient began experiencing various side effects, including: Thyroid Cancer, Concomitant Disease Progression, Thyroid NeoplasmAdditional drugs used concurrently:
  • Fty
  • Fedra
The patient was hospitalized. Although Eutirox demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Thyroid Cancer, may still occur.
Eutirox Side Effect Report#7570327-3
Decreased Appetite, Weight Decreased, Alanine Aminotransferase Increased, Nausea, Bilirubin Conjugated Increased, Gamma-glutamyltransferase Increased, Aspartate Aminotransferase Increased, Cholestatic Liver Injury, Blood Alkaline Phosphatase Increased
This Decreased Appetite problem was reported by a physician from Spain. A 74-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Oct 01, 2010 this consumer started treatment with Eutirox (dosage: NA). The following drugs were being taken at the same time:
  • Tebetane Compuesto
  • Coronary Vasodilators
  • Multaq
  • Metformin Hcl
  • Ranitidine
  • Adalat
  • Simvastatin
  • Clopidogrel
When using Eutirox, the patient experienced the following unwanted symptoms/side effects: Decreased Appetite, Weight Decreased, Alanine Aminotransferase Increased, Nausea, Bilirubin Conjugated Increased, Gamma-glutamyltransferase Increased, Aspartate Aminotransferase Increased, Cholestatic Liver Injury, Blood Alkaline Phosphatase IncreasedThe 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 Decreased Appetite, may become evident only after a product is in use by the general population.
Eutirox Side Effect Report#7551082-X
Iron Deficiency Anaemia, Angiodysplasia, Diverticulum, Gastrointestinal Haemorrhage, Polyp
This Iron Deficiency Anaemia side effect was reported by a physician from Italy. A 82-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Eutirox (drug dosage: Eutirox 175 Micro G Tabs,1df= 1 Unit), which was initiated on
Jan 01, 2010. Concurrently used drugs:
  • Fosicombi (1df= 1 Unit Fosicombi 20mg + 12.5mg Oral Tabs,)
  • Lasix (1df= 1 Unit ,lasix 0.25mg Tabs,)
  • Coumadin (1df= 1 Unit)
  • Lanoxin (1df= 1 Unit, Lanoxin 0.125mg Tabs,)
.After starting to take Eutirox the consumer reported adverse symptoms, such as: Iron Deficiency Anaemia, Angiodysplasia, Diverticulum, Gastrointestinal Haemorrhage, PolypThese side effects may potentially be related to Eutirox.
Eutirox Side Effect Report#7499694-6
Hypoglycaemia
This is a report of a 55-year-old male patient (weight: NA) from Italy, suffering from the following health symptoms/conditions: thyroid disorder,neuroendocrine tumour, who was treated with Eutirox (dosage: NA, start time:
May 16, 2011), combined with:
  • Sutent (37.5 Mg, 1x/day)
and developed a serious reaction and side effect(s): Hypoglycaemia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Eutirox treatment in male patients, resulting in Hypoglycaemia side effect.
Eutirox Side Effect Report#7479735-2
Hyperpyrexia, Off Label Use, Pustular Psoriasis
This report suggests a potential Eutirox Hyperpyrexia side effect(s) that can have serious consequences. A 54-year-old female patient (weight: NA) from Italy was diagnosed with the following symptoms/conditions: NA and used Eutirox (dosage: NA) starting
Jan 01, 2008. After starting Eutirox the patient began experiencing various side effects, including: Hyperpyrexia, Off Label Use, Pustular PsoriasisAdditional drugs used concurrently:
  • Plaquenil
  • Prednisone
The patient was hospitalized. Although Eutirox demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Hyperpyrexia, may still occur.
Eutirox Side Effect Report#7468585-9
Eyelid Oedema, Nasal Oedema, Lymphadenopathy, Lip Swelling, Urticaria
This Eyelid Oedema problem was reported by a health professional from Italy. A 44-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Mar 29, 2011 this consumer started treatment with Eutirox (dosage: Daily Dose 100 ?g). The following drugs were being taken at the same time:
  • Aspirin (Daily Dose 500 Mg)
  • Azopt
  • Avelox (400 Mg, Once)
When using Eutirox, the patient experienced the following unwanted symptoms/side effects: Eyelid Oedema, Nasal Oedema, Lymphadenopathy, Lip Swelling, UrticariaAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Eyelid Oedema, may become evident only after a product is in use by the general population.
Eutirox Side Effect Report#7457584-9
Pustular Psoriasis, Hyperpyrexia, Off Label Use
This Pustular Psoriasis side effect was reported by a physician from Italy. A 54-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Eutirox (drug dosage: NA), which was initiated on
Jan 01, 2008. Concurrently used drugs:
  • Plaquenil
  • Deltacortene
.After starting to take Eutirox the consumer reported adverse symptoms, such as: Pustular Psoriasis, Hyperpyrexia, Off Label UseThese side effects may potentially be related to Eutirox. The patient was hospitalized.
Eutirox Side Effect Report#7408767-5
Tongue Haematoma, Fall, Laryngeal Oedema, Palatal Oedema, Lip Oedema, Anaemia, Tongue Oedema, Head Injury
This is a report of a 85-year-old female patient (weight: NA) from Italy, suffering from the following health symptoms/conditions: NA, who was treated with Eutirox (dosage: NA, start time:
Feb 06, 2011), combined with:
  • Coumadin (1df= 1 Unit)
  • Cacit
  • Fosavance
  • Coumadin (1df= 1 Unit)
  • Triatec (Tabs:1 Unit)
  • Antra (Modified Release Cabs:1 Unit)
  • Zoloft
  • Cipralex (Film Coated Tabs 1 Units)
and developed a serious reaction and side effect(s): Tongue Haematoma, Fall, Laryngeal Oedema, Palatal Oedema, Lip Oedema, Anaemia, Tongue Oedema, Head Injury after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Eutirox treatment in female patients, resulting in Tongue Haematoma side effect. The patient was hospitalized.
Eutirox Side Effect Report#7355291-4
Hypotension, Diarrhoea Infectious
This report suggests a potential Eutirox Hypotension side effect(s) that can have serious consequences. A 33-year-old female patient (weight: NA) from Colombia was diagnosed with the following symptoms/conditions: hypothyroidism and used Eutirox (dosage: 100 Ug, 1x/day) starting
May 01, 2010. After starting Eutirox the patient began experiencing various side effects, including: Hypotension, Diarrhoea InfectiousAdditional drugs used concurrently:
  • Erythropoietin (2000 Iu, Alternate Day, Three Times Weekly)
  • Losartan (50 Mg, 1x/day)
  • Rapamune (2 Mg, 1x/day)
  • Diltiazem (180 Mg, 1x/day)
  • Mycophenolate Mofetil (500 Mg, 2x/day)
  • Omeprazole (20 Mg, 1x/day)
  • Ferrous Sulfate (300 Mg, 1x/day)
  • Prednisolone (5 Mg, 1x/day)
The patient was hospitalized. Although Eutirox demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Hypotension, may still occur.
Eutirox Side Effect Report#7323358-2
Spinal Fracture, Off Label Use
This Spinal Fracture problem was reported by a consumer or non-health professional from Spain. A female patient (weight: NA) was diagnosed with the following symptoms/conditions: hypothyroidism. On
Feb 01, 2009 this consumer started treatment with Eutirox (dosage: 1 D/f, Daily (1/d)). The following drugs were being taken at the same time:
  • Cymbalta (1 D/f, Daily (1/d))
  • Omeprazole (1 D/f, Daily (1/d))
  • Zaldiar (Unk, As Needed)
  • Forteo (20 Ug, Daily (1/d))
  • Mastical D (1 D/f, Daily (1/d))
When using Eutirox, the patient experienced the following unwanted symptoms/side effects: Spinal Fracture, Off Label UseAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Spinal Fracture, may become evident only after a product is in use by the general population.
Eutirox Side Effect Report#7296975-6
Confusional State
This Confusional State side effect was reported by a health professional from Spain. A 61-year-old female patient (weight:NA) experienced the following symptoms/conditions: hypothyroidism,depression,cancer pain.The patient was prescribed Eutirox (drug dosage: 150 Mcg, Daily), which was initiated on
Jun 29, 2009. Concurrently used drugs:
  • Citalopram (20 Mg, Daily)
  • Fentanyl (Unk)
  • Trankimazin (1.5 Mg, Daily)
  • Sevredol 10, Comprimidos (10 Mg, Daily)
  • Simvastatin (10 Mg, Daily)
.After starting to take Eutirox the consumer reported adverse symptoms, such as: Confusional StateThese side effects may potentially be related to Eutirox. The patient was hospitalized.
Eutirox Side Effect Report#7295744-0
Dry Mouth, Rash Papular
This is a report of a 72-year-old female patient (weight: NA) from Italy, suffering from the following health symptoms/conditions: NA, who was treated with Eutirox (dosage: NA, start time:
Nov 05, 2009), combined with:
  • Aspirin
  • Cardicor
  • Deltacortene
  • Plavix
  • Lasix
  • Triatec
  • Pantoprazole
  • Laroxyl
and developed a serious reaction and side effect(s): Dry Mouth, Rash Papular after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Eutirox treatment in female patients, resulting in Dry Mouth side effect. The patient was hospitalized.


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The appearance of Eutirox 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.

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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.

    Eutirox 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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