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Levoxyl (Levothyroxine) - Side Effect Reports to FDA

 
 



This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Levoxyl (Levothyroxine) 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 (283)
Death (10)
Life Threatening Events (2)

Reports by Reaction Type

Drug Ineffective (31)Fatigue (27)Alopecia (26)Malaise (24)Hypersensitivity (23)Feeling Abnormal (21)Dizziness (19)Anxiety (19)Rash (17)Insomnia (17)Asthenia (17)Pruritus (16)

Below are a few examples of reports where side effects / adverse reactions may be related to Levoxyl (Levothyroxine). For a complete list or a specific selection of reports, please use the links above.

Possible Levoxyl side effects in

Reported by a pharmacist from United States on 2012-08-24

Patient:

Reactions: Nervous System Disorder

Drug(s) suspected as cause:
Levoxyl
    Dosage: 150 ug, unk

Levoxyl
    Dosage: 150 ug, unk



Possible Levoxyl side effects in 57 year old female

Reported by a consumer/non-health professional from United States on 2012-08-24

Patient: 57 year old female, weighing 68.0 kg (149.6 pounds)

Reactions: Drug Ineffective

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in male

Reported by a pharmacist from United States on 2012-08-24

Patient: male

Reactions: Tremor

Drug(s) suspected as cause:
Levoxyl
    Dosage: 175 ug, unk
    End date: 2012-08-03

Levoxyl
    Dosage: 150 ug, unk
    Start date: 2012-08-03

Levoxyl
    Dosage: 150 ug, unk

Levoxyl
    Dosage: unk



Possible Levoxyl side effects in 68 year old female

Reported by a consumer/non-health professional from United States on 2012-08-24

Patient: 68 year old female, weighing 59.0 kg (129.7 pounds)

Reactions: Nausea, Dyspepsia, Thyroid Disorder, Drug Dispensing Error

Drug(s) suspected as cause:
Levoxyl
    Dosage: 50 ug, 1x/day
    Indication: Thyroid Disorder

Liothyronine Sodium
    Dosage: 5 ug, 1x/day
    Indication: Thyroid Disorder
    Start date: 2012-08-17



Possible Levoxyl side effects in female

Reported by a physician from United States on 2012-08-24

Patient: female

Reactions: Medication Error, Drug Dispensing Error

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in 52 year old female

Reported by a consumer/non-health professional from United States on 2012-08-24

Patient: 52 year old female, weighing 54.4 kg (119.7 pounds)

Reactions: Movement Disorder, Motor Dysfunction, Hypoaesthesia, Muscle Rigidity, Myalgia, Hypokinesia, Arthralgia, Activities of Daily Living Impaired, Insomnia, Dysgraphia, Coordination Abnormal, Gait Disturbance, Muscle Spasms

Drug(s) suspected as cause:
Levoxyl
    Dosage: 100 ug, 1x/day
    Administration route: Oral
    Indication: Autoimmune Thyroiditis
    End date: 2012-02-01

Levoxyl
    Dosage: 0.05 mg, one daily, 4 weeks
    Administration route: Oral
    Start date: 2012-05-31
    End date: 2012-06-27

Levoxyl
    Dosage: 100 ug, 1x/day
    Administration route: Oral
    Start date: 2012-02-17



Possible Levoxyl side effects in 67 year old female

Reported by a consumer/non-health professional from United States on 2012-08-23

Patient: 67 year old female, weighing 78.9 kg (173.6 pounds)

Reactions: Confusional State, Nasopharyngitis, Weight Loss Poor, DRY Skin, Thyroxine Increased, Constipation, Weight Increased, Respiratory Tract Congestion, Mood Altered, TRI-Iodothyronine Decreased, Alopecia, Insomnia, Onychoclasis, Disturbance in Attention, Memory Impairment

Drug(s) suspected as cause:
Levoxyl
    Dosage: 100 ug, daily

Levoxyl
    Dosage: 50 ug, unk
    Indication: Hypothyroidism

Synthroid
    Dosage: unk
    Indication: Hypothyroidism



Possible Levoxyl side effects in female

Reported by a consumer/non-health professional from United States on 2012-08-23

Patient: female

Reactions: Swelling Face, Hypersomnia

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in female

Reported by a consumer/non-health professional from United States on 2012-08-22

Patient: female

Reactions: Product Quality Issue, Drug Ineffective

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in female

Reported by a consumer/non-health professional from United States on 2012-08-15

Patient: female

Reactions: Palpitations, Drug Intolerance, Extrasystoles, Blood Thyroid Stimulating Hormone Increased

Drug(s) suspected as cause:
Levothyroxine Sodium
    Dosage: 12.5 ug, 1x/day (12.5mcg oral tablet once a day by cutting 25mcg tablet into half)
    Administration route: Oral
    Indication: Hypothyroidism

Levoxyl
    Dosage: 12.5 ug, 1x/day (cutting 25mcg tablet into half)
    Administration route: Oral
    Indication: Hypothyroidism
    Start date: 2012-01-01

Levoxyl
    Dosage: unk, once a day (taking half of 25mcg tablet and a fraction more of the other half)
    Start date: 2012-06-01



Possible Levoxyl side effects in 81 year old female

Reported by a consumer/non-health professional from United States on 2012-08-15

Patient: 81 year old female, weighing 51.2 kg (112.7 pounds)

Reactions: Blood Cholesterol Increased, Blood Triglycerides Increased, Hypertension

Drug(s) suspected as cause:
Levoxyl

Other drugs received by patient: Omeprazole; Vitamin D; Docusate; Acetaminophen; Calcium; Vitamin B-12



Possible Levoxyl side effects in 81 year old female

Reported by a consumer/non-health professional from United States on 2012-08-14

Patient: 81 year old female, weighing 51.2 kg (112.7 pounds)

Reactions: Weight Decreased, Alopecia, Constipation

Drug(s) suspected as cause:
Levoxyl

Other drugs received by patient: D-Mannose; Acetaminophen; Calcium; Omeprazole; Vitamin D; Vitamin B-12



Possible Levoxyl side effects in 52 year old female

Reported by a physician from United States on 2012-08-14

Patient: 52 year old female, weighing 54.4 kg (119.7 pounds)

Reactions: Movement Disorder, Motor Dysfunction, Hypoaesthesia, Muscle Rigidity, Hypokinesia, Activities of Daily Living Impaired, Arthralgia, Insomnia, Dysgraphia, Gait Disturbance, Coordination Abnormal, Muscle Spasms

Drug(s) suspected as cause:
Levoxyl
    Dosage: 100 ug, 1x/day
    Administration route: Oral
    Indication: Autoimmune Thyroiditis
    End date: 2012-02-01

Levoxyl
    Dosage: 0.05 mg, 1x/day
    Administration route: Oral
    Start date: 2012-06-04

Levoxyl
    Dosage: 100 ug, 1x/day
    Administration route: Oral
    Start date: 2012-02-17



Possible Levoxyl side effects in 89 year old female

Reported by a consumer/non-health professional from United States on 2012-08-10

Patient: 89 year old female, weighing 66.0 kg (145.2 pounds)

Reactions: Ocular Vascular Disorder, Cataract, Pain in Extremity, Insomnia, Visual Impairment, Pollakiuria, Carpal Tunnel Syndrome

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Levoxyl
    Dosage: 75 ug, daily

Levoxyl
    Dosage: 200 ug, 1x/day
    Start date: 2012-07-01

Levoxyl
    Dosage: 50 ug, daily
    Indication: Thyroid Disorder

Levoxyl
    Dosage: 150 ug, daily

Levoxyl
    Dosage: 100 ug, daily

Toviaz
    Dosage: unk

Other drugs received by patient: Lisinopril; Zocor; Synthroid; Coumadin; Tricor; Atenolol



Possible Levoxyl side effects in female

Reported by a consumer/non-health professional from United States on 2012-08-09

Patient: female

Reactions: Nasopharyngitis, Mood Altered, Thyroid Disorder, Cough

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in 64 year old female

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

Patient: 64 year old female

Reactions: Abdominal Discomfort

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in 89 year old female

Reported by a consumer/non-health professional from United States on 2012-08-07

Patient: 89 year old female, weighing 66.0 kg (145.2 pounds)

Reactions: Cataract, Ocular Vascular Disorder, Pain in Extremity, Visual Impairment, Insomnia, Pollakiuria, Carpal Tunnel Syndrome

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Levoxyl
    Dosage: 75 ug, daily

Levoxyl
    Dosage: 100 ug, daily

Levoxyl
    Dosage: 150 ug, daily

Levoxyl
    Dosage: 50 ug, daily
    Indication: Thyroid Disorder

Levoxyl
    Dosage: 200 ug, 1x/day
    Start date: 2012-07-01

Toviaz
    Dosage: unk

Other drugs received by patient: Coumadin; Zocor; Atenolol; Tricor; Synthroid; Lisinopril



Possible Levoxyl side effects in 48 year old female

Reported by a consumer/non-health professional from United States on 2012-08-07

Patient: 48 year old female, weighing 56.7 kg (124.7 pounds)

Reactions: Urticaria, Thyroid Function Test Abnormal

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in female

Reported by a consumer/non-health professional from United States on 2012-08-07

Patient: female

Reactions: Abdominal Pain Upper

Drug(s) suspected as cause:
Cytomel
    Dosage: unk
    Administration route: Oral

Levoxyl
    Dosage: unk
    Administration route: Oral



Possible Levoxyl side effects in 49 year old male

Reported by a physician from United States on 2012-08-06

Patient: 49 year old male, weighing 98.9 kg (217.5 pounds)

Reactions: Weight Increased, Cognitive Disorder, Sluggishness

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in 55 year old female

Reported by a consumer/non-health professional from United States on 2012-08-06

Patient: 55 year old female, weighing 81.6 kg (179.5 pounds)

Reactions: Agitation, Anxiety, Dysphagia, Palpitations

Drug(s) suspected as cause:
Levoxyl
    Dosage: 0.088 mg, unk
    End date: 2012-05-01

Levoxyl
    Dosage: unk

Levoxyl
    Dosage: 100 ug, unk
    Indication: Hypothyroidism

Levoxyl
    Dosage: 0.088 mg, once
    Start date: 2012-05-16



Possible Levoxyl side effects in 53 year old female

Reported by a consumer/non-health professional from United States on 2012-08-06

Patient: 53 year old female, weighing 81.6 kg (179.6 pounds)

Reactions: Thyroid Function Test Abnormal

Drug(s) suspected as cause:
Levoxyl

Other drugs received by patient: Glucophage



Possible Levoxyl side effects in 44 year old female

Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-06

Patient: 44 year old female

Reactions: Myalgia, Dyspepsia, Arthralgia, Headache, Rash

Drug(s) suspected as cause:
Levothyroxine Sodium
    Dosage: 100 ug, unk
    Start date: 2006-01-01
    End date: 2011-01-01

Levoxyl
    Dosage: 100 ug, unk
    Start date: 2011-01-01



Possible Levoxyl side effects in 54 year old female

Reported by a consumer/non-health professional from United States on 2012-08-03

Patient: 54 year old female, weighing 82.0 kg (180.4 pounds)

Reactions: Agitation, Dysphagia, Tremor, Anxiety, Palpitations, Thyroid Disorder, Eye Disorder, Feeling Abnormal, Nervousness

Drug(s) suspected as cause:
Levoxyl
    Dosage: 100 ug, 1x/day
    Administration route: Oral
    Indication: Hypothyroidism
    Start date: 2005-01-01

Levoxyl
    Dosage: 88 ug, 1x/day
    Administration route: Oral
    Start date: 2010-01-01
    End date: 2012-01-01

Levoxyl
    Dosage: unk
    Start date: 2012-02-01

Other drugs received by patient: Glucophage



Possible Levoxyl side effects in female

Reported by a consumer/non-health professional from United States on 2012-08-02

Patient: female

Reactions: Nasopharyngitis, Mood Altered, Thyroid Disorder, Cough

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in female

Reported by a consumer/non-health professional from United States on 2012-08-02

Patient: female, weighing 90.7 kg (199.5 pounds)

Reactions: Respiratory Rate Increased, Pollakiuria, Feeling Abnormal, Nervousness

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in female

Reported by a consumer/non-health professional from United States on 2012-08-01

Patient: female, weighing 65.8 kg (144.7 pounds)

Reactions: Cataract, Pain in Extremity, Optic Ischaemic Neuropathy, Ocular Vascular Disorder, Visual Impairment, Insomnia, Pollakiuria, Carpal Tunnel Syndrome

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Levoxyl
    Dosage: 50 ug, daily
    Indication: Thyroid Disorder

Levoxyl
    Dosage: 150 ug, daily

Levoxyl
    Dosage: 100 ug, daily

Levoxyl
    Dosage: 75 ug, daily

Levoxyl
    Dosage: 200 ug, daily

Toviaz
    Dosage: unk

Other drugs received by patient: Coumadin; Synthroid; Atenolol; Zocor; Lisinopril; Tricor



Possible Levoxyl side effects in 71 year old female

Reported by a consumer/non-health professional from United States on 2012-08-01

Patient: 71 year old female, weighing 88.5 kg (194.6 pounds)

Reactions: Abnormal Dreams, Tinnitus, Balance Disorder, Sleep Disorder, Vertigo, Headache

Drug(s) suspected as cause:
Levothyroxine Generic OF Synthroid 25-75 MG
    Dosage: 25mg-75mg daily via tricare
    Indication: Hypothyroidism

Levoxyl
    Dosage: 25 mg-75mg daily tricare
    Indication: Hypothyroidism



Possible Levoxyl side effects in female

Reported by a consumer/non-health professional from United States on 2012-08-01

Patient: female, weighing 86.2 kg (189.6 pounds)

Reactions: Confusional State, Nasopharyngitis, Drug Ineffective, Malaise, Fatigue, Mood Altered, Thyroid Disorder, Dizziness, Feeling Abnormal, Asthenia, Cough

Drug(s) suspected as cause:
Levoxyl



Possible Levoxyl side effects in female

Reported by a consumer/non-health professional from United States on 2012-08-01

Patient: female

Reactions: Heart Rate Increased

Drug(s) suspected as cause:
Levothyroxine Sodium
    Dosage: unk

Levoxyl
    Dosage: 25 ug, unk

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