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Depression (2)
Headaches (2)
Insomnia (2)
Back Pain (1)
Back Pain And Slight Bleeding (1)
Blurry Distance Vision (1)
Itchy Skin (1)
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Thyrax Side Effects and Adverse Effects reported to US Food and Drug Administration (FDA)

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Caesarean Section, Meconium In Amniotic Fluid, Maternal Exposure During Pregnancy (8449003-0)
on Jun 06, 2012 Female from NETHERLANDS , 25 years of age, was treated with Thyrax (levothyroxine (levothyroxine). Directly after, patient experienced the unwanted or unexpected Thyrax side effects: caesarean section, meconium in amniotic fluid, maternal exposure during pregnancy. Thyrax (levothyroxine (levothyroxine) dosage: N/A.
Associated medications used:
  • Colesevelam Hydrochloride (625 Mg (625 Mg, Qd), Per Oral)

Teeth Brittle (8037979-5)
Patient was taking Thyrax. Patient felt the following Thyrax side effects: teeth brittle on Jan 04, 2012 from NETHERLANDS Additional patient health information: Female , 55 years of age, weighting 160.9 lb, . Thyrax dosage: 0.025 Mg, 1x/day.
Multiple prescriptions taken:
  • Fosamax (70 Mg, Weekly)
  • Calcium Carbonate (1 Df, 1x/day)
  • Hydrocortisone Sodium Succinate (10 Mg, 1x/day)
  • Calcium Carbonate (1000 Mg, 1x/day)
  • Norditropin (Unk)
  • Pentasa (Unk)

Hyponatraemia (7883608-0)
Adverse event was reported on Oct 18, 2011 by a Female taking Thyrax (Dosage: N/A) . Location: DENMARK , 86 years of age, After Thyrax was administered, patient encountered several Thyrax side effects: hyponatraemia.
Multiple concurrent drugs taken:
  • Lyrica
  • Furosemide
  • Mirtazapine (15 Mg;qd;)
  • Enalapril Maleate
  • Mirtazapine (15 Mg;qd;)
Patient was hospitalized.

Visual Impairment, Lacrimation Increased, Bladder Disorder, Vaginal Disorder, Vitreous Disorder, Retinal Tear, Vision Blurred, Nausea (7626933-0)
on Jul 14, 2011 Female from NETHERLANDS , 60 years of age, was diagnosed with
  • autoimmune thyroiditis
and was treated with Thyrax. Directly after, patient experienced the unwanted or unexpected Thyrax side effects: visual impairment, lacrimation increased, bladder disorder, vaginal disorder, vitreous disorder, retinal tear, vision blurred, nausea. Thyrax dosage: N/A.
Associated medications used:
  • Oxazepam
  • Zopiclone
  • St. John's Wort
  • Varenicline Tartrate (Unk)

on Jun 21, 2011 Male from NETHERLANDS , 65 years of age, weighting 231.5 lb, was diagnosed with
  • hypothyroidism
  • hypogonadism
  • hypopituitarism
and was treated with Thyrax. . Thyrax dosage: 200 Ug, Unk.
Multiple prescriptions taken:
  • Androgel (50 Mg, 1x/day)
  • Hidrocortizon (30 Mg, 2x/day)
  • Somatropin (0.3 Mg, 1x/day)

Blood Thrombin Increased, Coagulation Factor Ix Level Increased, Coagulation Factor Viii Level Increased, Coagulation Factor X Level Increased, Overdose, Plasminogen Activator Inhibitor Increased, Suicide Attempt, Von Willebrand's Factor Activity Increased, Von Willebrand's Factor Antigen Increased (7054135-8)
Patient was taking Thyrax (levothyroxine). After Thyrax was administered, patient encountered several Thyrax side effects: blood thrombin increased, coagulation factor ix level increased, coagulation factor viii level increased, coagulation factor x level increased, overdose, plasminogen activator inhibitor increased, suicide attempt, von willebrand's factor activity increased, von willebrand's factor antigen increased on Oct 08, 2010 from NETHERLANDS Additional patient health information: Female , 23 years of age, was diagnosed with
  • hypothyroidism
and. Thyrax (levothyroxine) dosage: 25 Mg Once (250 Tablets Of 100 Mcg Each), Oral. Patient was hospitalized.

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Most drugs have a large list of nonsevere or mild adverse effects which do not rule out continued usage. These effects depend on individual sensitivity, and can include nausea, dizziness, diarrhea, malaise, vomiting, headache, dermatitis, dry mouth, etc. Check commonly reported side effects . These can be considered a form of pseudo-allergic reaction, as not all users experience these effects; many users experience none at all.

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.

Thyrax Information

More About Thyrax

Side Effects reported to FDA: 6. View Thyrax Adverse Reports

Thyrax safety alerts: No

Reported deaths: 1

Reported hospitalizations: 1

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