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Synthroid (Levothyroxine) - Life Threatening Events - Suspected Cause - Side Effect Reports

 
 



Index of reports > Life Threatening Events (13)

Below is the selection of side effect reports (a.k.a. adverse event reports) related to Synthroid (Levothyroxine) life threatening events. The selected reports were submitted to the FDA during the sample period of about a year.

Possible Synthroid side effects in 48 year old female

Reported by a consumer/non-health professional from United States on 2012-08-08

Patient: 48 year old female, weighing 57.2 kg (125.7 pounds)

Reactions: Product Substitution Issue, Bedridden, Respiratory Disorder, Pain, Autoimmune Thyroiditis, TRI-Iodothyronine Decreased, Fibromyalgia, Intervertebral Disc Disorder, Crying, Product Quality Issue, Inadequate Analgesia, Organ Failure, Heart Rate Increased, Gait Disturbance, Thyroid Neoplasm, Arthritis, Iodine Deficiency

Adverse event resulted in: life threatening event, disablity

Drug(s) suspected as cause:
Levothyroxine Sodium
    Dosage: all 1x day oral
    Administration route: Oral
    Start date: 2007-01-01

Synthroid
    Dosage: all 1x day pill
    Indication: Thyroidectomy
    Start date: 2004-01-01
    End date: 2008-01-01



Possible Synthroid side effects in 62 year old female

Reported by a consumer/non-health professional from United States on 2012-06-11

Patient: 62 year old female, weighing 49.9 kg (109.8 pounds)

Reactions: Product Quality Issue, Blood Thyroid Stimulating Hormone Decreased, Feeling Abnormal

Adverse event resulted in: life threatening event

Drug(s) suspected as cause:
Synthroid



Possible Synthroid side effects in male

Reported by a consumer/non-health professional from United States on 2012-05-11

Patient: male

Reactions: Suffocation Feeling

Adverse event resulted in: life threatening event

Drug(s) suspected as cause:
Synthroid



Possible Synthroid side effects in female

Reported by a consumer/non-health professional from United States on 2012-04-25

Patient: female

Reactions: Hypoparathyroidism, Blood Calcium Abnormal

Adverse event resulted in: life threatening event

Drug(s) suspected as cause:
Synthroid
    Indication: Product Used FOR Unknown Indication

Calcium
    Indication: Product Used FOR Unknown Indication

Other drugs received by patient: Cytomel



Possible Synthroid side effects in male

Reported by a health professional (non-physician/pharmacist) from United States on 2012-04-20

Patient: male

Reactions: Anxiety, Mitral Valve Disease, Premature Baby, Fallot's Tetralogy

Adverse event resulted in: life threatening event, hospitalization

Drug(s) suspected as cause:
Doxylamine Succinate
    Indication: Foetal Exposure During Pregnancy

Phenobarbital TAB
    Indication: Foetal Exposure During Pregnancy

Cytomel
    Indication: Foetal Exposure During Pregnancy

Synthroid
    Indication: Foetal Exposure During Pregnancy

Atenolol
    Indication: Foetal Exposure During Pregnancy

Amoxicillin
    Indication: Foetal Exposure During Pregnancy

Topamax
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-04-01

Duragesic-100
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-08-01
    End date: 2003-04-01

Effexor
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-01-01
    End date: 2002-08-01

Macrodantin
    Indication: Foetal Exposure During Pregnancy

Soma
    Indication: Foetal Exposure During Pregnancy

Lortab
    Indication: Foetal Exposure During Pregnancy



Possible Synthroid side effects in male

Reported by a health professional (non-physician/pharmacist) from United States on 2012-04-04

Patient: male

Reactions: Anxiety, Mitral Valve Disease, Fallot's Tetralogy, Premature Baby

Adverse event resulted in: life threatening event, hospitalization

Drug(s) suspected as cause:
Soma
    Indication: Foetal Exposure During Pregnancy

Lortab
    Indication: Foetal Exposure During Pregnancy

Phenobarbital TAB
    Indication: Foetal Exposure During Pregnancy

Synthroid
    Indication: Foetal Exposure During Pregnancy

Macrodantin
    Indication: Foetal Exposure During Pregnancy

Atenolol
    Indication: Foetal Exposure During Pregnancy

Topamax
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-04-01

Duragesic-100
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-08-01
    End date: 2003-04-01

Effexor
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-01-01
    End date: 2002-08-01

Doxylamine Succinate
    Indication: Foetal Exposure During Pregnancy



Possible Synthroid side effects in male

Reported by a consumer/non-health professional from United States on 2012-02-13

Patient: male

Reactions: Anxiety, Mitral Valve Disease, Fallot's Tetralogy, Premature Baby

Adverse event resulted in: life threatening event, hospitalization

Drug(s) suspected as cause:
Effexor
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-01-01
    End date: 2002-08-01

Macrodantin
    Indication: Foetal Exposure During Pregnancy

Topamax
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-04-01

Synthroid
    Indication: Foetal Exposure During Pregnancy

Duragesic-100
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-08-01
    End date: 2003-04-01

Atenolol
    Indication: Foetal Exposure During Pregnancy

Lortab
    Indication: Foetal Exposure During Pregnancy

Phenobarbital TAB
    Indication: Foetal Exposure During Pregnancy

Soma
    Indication: Foetal Exposure During Pregnancy

Doxylamine Succinate
    Indication: Foetal Exposure During Pregnancy



Possible Synthroid side effects in female

Reported by a health professional (non-physician/pharmacist) from United States on 2012-02-07

Patient: female, weighing 55.8 kg (122.7 pounds)

Reactions: Product Substitution Issue, Palpitations, Heart Rate Increased, Product Tampering

Adverse event resulted in: life threatening event

Drug(s) suspected as cause:
Synthroid



Possible Synthroid side effects in male

Reported by a consumer/non-health professional from United States on 2012-01-20

Patient: male

Reactions: Anxiety, Mitral Valve Disease, Fallot's Tetralogy, Premature Baby

Adverse event resulted in: life threatening event, hospitalization

Drug(s) suspected as cause:
Effexor
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-01-01
    End date: 2002-08-01

Phenobarbital TAB
    Indication: Foetal Exposure During Pregnancy

Macrodantin
    Indication: Foetal Exposure During Pregnancy

Topamax
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-04-01

Duragesic-100
    Indication: Foetal Exposure During Pregnancy
    Start date: 2002-08-01
    End date: 2003-04-01

Lortab
    Indication: Foetal Exposure During Pregnancy

Soma
    Indication: Foetal Exposure During Pregnancy

Synthroid
    Indication: Foetal Exposure During Pregnancy

Atenolol
    Indication: Foetal Exposure During Pregnancy



Possible Synthroid side effects in female

Reported by a physician from Canada on 2011-12-30

Patient: female, weighing 60.8 kg (133.8 pounds)

Reactions: Confusional State, Nausea, Coma, Hyponatraemia, Blood Magnesium Decreased, Hypokalaemia, Cardio-Respiratory Arrest, Blood Potassium Decreased, Dyspepsia, Choking, Hypomagnesaemia, Hypothyroidism, Gastrooesophageal Reflux Disease, Blood Sodium Decreased, Asthenia

Adverse event resulted in: life threatening event, hospitalization

Drug(s) suspected as cause:
Prevacid
    Administration route: Oral
    Indication: Gastritis
    Start date: 2005-01-01

Homeopathic
    Indication: Product Used FOR Unknown Indication

Synthroid
    Indication: Product Used FOR Unknown Indication
    Start date: 2003-12-01

Other drugs received by patient: Oxazepam; Synthroid



Possible Synthroid side effects in female

Reported by a physician from Canada on 2011-11-17

Patient: female, weighing 60.8 kg (133.8 pounds)

Reactions: Confusional State, Nausea, Hyponatraemia, Coma, Blood Magnesium Decreased, Hypokalaemia, Cardio-Respiratory Arrest, Dyspepsia, Blood Potassium Decreased, Hypomagnesaemia, Choking, Hypothyroidism, Blood Sodium Decreased, Asthenia, Gastrooesophageal Reflux Disease

Adverse event resulted in: life threatening event, hospitalization

Drug(s) suspected as cause:
Prevacid
    Administration route: Oral
    Indication: Gastritis
    Start date: 2005-01-01

Synthroid
    Indication: Product Used FOR Unknown Indication
    Start date: 2003-01-01

Other drugs received by patient: Oxazepam; Homeopathic; Synthroid



Possible Synthroid side effects in female

Reported by a health professional (non-physician/pharmacist) from United States on 2011-11-15

Patient: female, weighing 55.8 kg (122.7 pounds)

Reactions: Palpitations, Heart Rate Increased, Insomnia, Product Tampering, Hypertension

Adverse event resulted in: life threatening event

Drug(s) suspected as cause:
Synthroid



Possible Synthroid side effects in female

Reported by a health professional (non-physician/pharmacist) from United States on 2011-11-01

Patient: female, weighing 54.4 kg (119.7 pounds)

Reactions: Blood Pressure Increased, Nausea, Blood Pressure Inadequately Controlled, Insomnia, Heart Rate Increased, Hallucination

Adverse event resulted in: life threatening event

Drug(s) suspected as cause:
Losartan Potassium
    Dosage: generic 50 mg. once daily mouth
    Indication: Hypertension
    Start date: 2011-10-17

Synthroid
    Dosage: 88 mcg once daily once daily mouth
    Administration route: Oral
    Indication: Blood Parathyroid Hormone Decreased
    Start date: 2011-10-13

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