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Synthroid Feeling Abnormal Side Effects

Synthroid Feeling Abnormal Side Effect Reports


The following Synthroid Feeling Abnormal side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Feeling Abnormal, can occur, and what you can do about them.

A side effect could appear soon after you start Synthroid or it might take time to develop.



Pancreatic Carcinoma, Unevaluable Event, Feeling Abnormal, Hypoaesthesia Oral

This Feeling Abnormal side effect was reported by a consumer or non-health professional from US. A female patient (weight:NA) experienced the following symptoms/conditions: hypothyroidism. The patient was prescribed Synthroid (dosage: NA), which was started on NS. Concurrently used drugs: NA. When starting to take Synthroid the consumer reported the following symptoms:
  • Pancreatic Carcinoma
  • Unevaluable Event
  • Feeling Abnormal
  • Hypoaesthesia Oral
These side effects may potentially be related to Synthroid.
Tri-iodothyronine Abnormal, Asthenia, Feeling Abnormal

This Feeling Abnormal Synthroid side effect was reported by a consumer or non-health professional from US on Dec 12, 2013. A Female , weighting 150.1 lb, was diagnosed with and was treated with Synthroid. The patient presented the following health conditions:
  • Tri-iodothyronine Abnormal
  • Asthenia
  • Feeling Abnormal
. Synthroid dosage: NA. Additional drugs used at the same time: NA.
Throat Cancer, Dyspnoea, B-cell Lymphoma, Lymphadenopathy, Anaemia, Feeling Abnormal, Productive Cough

This is a Synthroid side effect report of a 82-year-old female patient (weight:NA) from US, suffering from the following symptoms/conditions: NA, who was treated with Synthroid (dosage:NA, start time: NS), combined with:
  • Amlodipine
  • B-12
  • Albuterol
, and developed a serious reaction and a Feeling Abnormal side effect. The patient presented with:
  • Throat Cancer
  • Dyspnoea
  • B-cell Lymphoma
  • Lymphadenopathy
  • Anaemia
  • Feeling Abnormal
  • Productive Cough
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Synthroid treatment in female patients suffering from NA, resulting in Feeling Abnormal.

Breast Cancer, Nausea, Peripheral Coldness, Feeling Abnormal, Heart Rate Decreased, Asthenia, Abdominal Distension

A 57-year-old female patient (weight: NA) from US with the following symptoms: hypothyroidism started Synthroid treatment (dosage: 0.125 Mg Daily) on 1998. Soon after starting Synthroid treatment, the consumer experienced several side effects, including:
  • Breast Cancer
  • Nausea
  • Peripheral Coldness
  • Feeling Abnormal
  • Heart Rate Decreased
  • Asthenia
  • Abdominal Distension
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Synthroid side effects, such as Feeling Abnormal.
Hospitalisation, Hyperthyroidism, Feeling Abnormal, Abnormal Behaviour, Palpitations, Anxiety

A patient from US was prescribed and started Synthroid on Oct 18, 2013. Patient felt the following Synthroid side effects: hospitalisation, hyperthyroidism, feeling abnormal, abnormal behaviour, palpitations, anxiety Additional patient health information: male , 50 years of age, The consumer reported the following symptoms: . Synthroid dosage: NA. Concurrently used drugs:
  • Tirosint (100 And 75 Mcg (total Daily Dose 175mcg))
  • Tirosint
The patient was hospitalized.
Feeling Abnormal, Atrial Fibrillation, Decreased Appetite, Dehydration, Myalgia, Dizziness, Asthenia

This report suggests a potential Synthroid Feeling Abnormal side effect(s) that can have serious consequences. A 69-year-old female patient from US (weight:NA) was diagnosed with the following health condition(s): thyroidectomy and used Synthroid (dosage: Daily) starting 201112. Soon after starting Synthroid the patient began experiencing various side effects, including:
  • Feeling Abnormal
  • Atrial Fibrillation
  • Decreased Appetite
  • Dehydration
  • Myalgia
  • Dizziness
  • Asthenia
Drugs used concurrently:NA. The patient was hospitalized. Although Synthroid demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Feeling Abnormal, may still occur.
Feeling Abnormal, Somnambulism

An adverse event was reported by a consumer or non-health professional on Sep 17, 2013 by a Patient taking Synthroid (dosage: 1 Pill Once Daily Taken By Mouth) was diagnosed with and. Location: US , 66 years of age, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Synthroid side effects: feeling abnormal, somnambulism. Additional medications/treatments:
Palpitations, Laboratory Test Abnormal, Malaise, Feeling Abnormal, Chills, Psychomotor Hyperactivity

This Feeling Abnormal problem was reported by a consumer or non-health professional from US. A 64-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): parathyroidectomy.On 2003 a consumer started treatment with Synthroid (dosage: NA). The following drugs/medications were being taken at the same time: NA. When commencing Synthroid, the patient experienced the following unwanted symptoms /side effects:
  • Palpitations
  • Laboratory Test Abnormal
  • Malaise
  • Feeling Abnormal
  • Chills
  • Psychomotor Hyperactivity
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Feeling Abnormal, may become evident only after a product is in use by the general population.
Gait Disturbance, Movement Disorder, Nervousness, Depression, Feeling Abnormal, Sensation Of Heaviness, Balance Disorder

This is a Synthroid side effect report of a 84-year-old female patient (weight: NA) from US. The patient developed the following symptoms/conditions: thyroid disorder,hypothyroidism,osteoarthritis,hypertension and was treated with Synthroid (dosage: NA) starting 201307. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Gait Disturbance
  • Movement Disorder
  • Nervousness
  • Depression
  • Feeling Abnormal
  • Sensation Of Heaviness
  • Balance Disorder
This opens a possibility that Synthroid could cause Feeling Abnormal and that some female patients may be more susceptible.
Feeling Abnormal, Chills, Adverse Reaction, Vomiting, Pyrexia, Anxiety

This Feeling Abnormal side effect was reported by a consumer or non-health professional from US on Sep 05, 2013. A female patient from US , weighting 145.1 lb, was diagnosed with and was treated with Synthroid. Directly after treatment started, patient experienced the unwanted or unexpected Synthroid side effects: feeling abnormal, chills, adverse reaction, vomiting, pyrexia, anxiety. Synthroid dosage: NA. The patient was hospitalized. These side effects may potentially be related to Synthroid.
Palpitations, Laboratory Test Abnormal, Malaise, Feeling Abnormal, Chills

This Feeling Abnormal side effect was reported by a consumer or non-health professional from US. A 64-year-old female patient (weight:NA) experienced the following symptoms/conditions: parathyroidectomy. The patient was prescribed Synthroid (dosage: NA), which was started on 2013. Concurrently used drugs: NA. When starting to take Synthroid the consumer reported the following symptoms:
  • Palpitations
  • Laboratory Test Abnormal
  • Malaise
  • Feeling Abnormal
  • Chills
These side effects may potentially be related to Synthroid.
Feeling Abnormal, Bone Pain, Abdominal Pain, Asthenia, Fatigue

This Feeling Abnormal Synthroid side effect was reported by a consumer or non-health professional from US on Aug 28, 2013. A Female , 57 years of age, weighting 140.1 lb, was diagnosed with and was treated with Synthroid. The patient presented the following health conditions:
  • Feeling Abnormal
  • Bone Pain
  • Abdominal Pain
  • Asthenia
  • Fatigue
. Synthroid dosage: NA. Additional drugs used at the same time: NA.
Feeling Abnormal, Atrial Fibrillation, Decreased Appetite, Dehydration, Myalgia, Dizziness, Asthenia

This is a Synthroid side effect report of a 69-year-old female patient (weight:NA) from US, suffering from the following symptoms/conditions: thyroidectomy, who was treated with Synthroid (dosage:Daily, start time: 201112), combined with: NA., and developed a serious reaction and a Feeling Abnormal side effect. The patient presented with:
  • Feeling Abnormal
  • Atrial Fibrillation
  • Decreased Appetite
  • Dehydration
  • Myalgia
  • Dizziness
  • Asthenia
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Synthroid treatment in female patients suffering from thyroidectomy, resulting in Feeling Abnormal.
Alanine Aminotransferase Increased, Blood Thyroid Stimulating Hormone Increased, Feeling Abnormal, Thyroxine Increased

A female patient (weight: NA) from US with the following symptoms: hypothyroidism started Synthroid treatment (dosage: NA) on 2007. Soon after starting Synthroid treatment, the consumer experienced several side effects, including:
  • Alanine Aminotransferase Increased
  • Blood Thyroid Stimulating Hormone Increased
  • Feeling Abnormal
  • Thyroxine Increased
. Concurrently used drugs:
  • Levothyroxine Sodium Tablets, Usp (1/2 Tablet)
This finding indicates that some patients can be more vulnerable to developing Synthroid side effects, such as Feeling Abnormal.
Thyroidectomy, Palpitations, Fatigue, Feeling Abnormal

A female patient from US was prescribed and started Synthroid on Aug 05, 2013. After Synthroid was administered, patient encountered several Synthroid side effects: thyroidectomy, palpitations, fatigue, feeling abnormal Additional patient health information: Female , weighting 190.2 lb, The consumer reported the following symptoms: . Synthroid dosage: NA. Concurrently used drugs: NA. The patient was hospitalized.
Feeling Abnormal

This report suggests a potential Synthroid Feeling Abnormal side effect(s) that can have serious consequences. A 79-year-old female patient from US (weight:NA) was diagnosed with the following health condition(s): hypothyroidism,hypertension and used Synthroid (dosage: NA) starting May 25, 2013. Soon after starting Synthroid the patient began experiencing various side effects, including:
  • Feeling Abnormal
Drugs used concurrently:
  • Ramipril
  • Metoprolol
  • Lipitor
  • Fish Oil
  • Multivitamin
Although Synthroid demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Feeling Abnormal, may still occur.
Hypoaesthesia Oral, Dizziness, Feeling Abnormal

An adverse event was reported by a consumer or non-health professional on Jul 25, 2013 by a male taking Synthroid (dosage: NA) was diagnosed with and. Location: US , weighting 190.2 lb, patient began experiencing various side effects, including: Patient felt the following Synthroid side effects: hypoaesthesia oral, dizziness, feeling abnormal. Additional medications/treatments:
Pruritus, Insomnia, Diarrhoea, Faecal Incontinence, Hyperhidrosis, Oedema Mouth, Palpitations, Feeling Abnormal

This Feeling Abnormal problem was reported by a health professional from US. A 66-year-old patient (weight: NA) was diagnosed with the following medical condition(s): hypothyroidism,asthma.On 201305 a consumer started treatment with Synthroid (dosage: 0.025 Mg Daily). The following drugs/medications were being taken at the same time:
  • Flovent
  • Claritin
  • Histamine
When commencing Synthroid, the patient experienced the following unwanted symptoms /side effects:
  • Pruritus
  • Insomnia
  • Diarrhoea
  • Faecal Incontinence
  • Hyperhidrosis
  • Oedema Mouth
  • Palpitations
  • Feeling Abnormal
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Feeling Abnormal, may become evident only after a product is in use by the general population.
Swelling, Alopecia, Feeling Abnormal, Headache, Trichorrhexis, Weight Gain Poor

This is a Synthroid side effect report of a 56-year-old female patient (weight: NA) from COUNTRY NOT SPECIFIED. The patient developed the following symptoms/conditions: NA and was treated with Synthroid (dosage: NA) starting NS. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Swelling
  • Alopecia
  • Feeling Abnormal
  • Headache
  • Trichorrhexis
  • Weight Gain Poor
This opens a possibility that Synthroid could cause Feeling Abnormal and that some female patients may be more susceptible.
Feeling Abnormal, Fatigue

This Feeling Abnormal side effect was reported by a consumer or non-health professional from COUNTRY NOT SPECIFIED on Jul 25, 2013. A female patient from COUNTRY NOT SPECIFIED , 43 years of age, weighting 120.1 lb, was diagnosed with and was treated with Synthroid. Patient felt the following Synthroid side effects: feeling abnormal, fatigue. Synthroid dosage: NA. These side effects may potentially be related to Synthroid.
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DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Synthroid Feeling Abnormal Causes and Reviews


Chiari malformations (CMs) are structural defects in the cerebellum. The cerebellum is the part of the brain that controls balance. With CM, brain tissue extends into the spinal canal. It can happen when part of the skull is too small, which pushes the brain tissue down. There are several types of CM. One type often happens in children who have neural tube defects. Some types cause no symptoms and don't need treatment. If you have symptoms, they may include

  • Neck pain
  • Balance problems
  • Numbness or other abnormal feelings in the arms or legs
  • Dizziness
  • Vision problems
  • Difficulty swallowing
  • Poor hand coordination

Doctors diagnose CM using imaging tests. Medicines may ease some symptoms, such as pain. Surgery is the only treatment available to correct or stop the progression of nerve damage.

NIH: National Institute of Neurological Disorders and Stroke


Synthroid Feeling Abnormal Reviews

Mon, 07 Mar 2011

he perdido mucho pelo,y lo tengo aspero ,se me esta cayendo el pelo mucho ,pudiera ser del Synthroid.ayudenme.

Fri, 22 Apr 2011

upper arm tightness/soreness in both arms - could this be the result on an increased dosage of Synthroid?

Mon, 27 Jun 2011

I have been on Synthroid for over a year I had subtotal thyroid removed the side effect of Synthroid are :palpitation on the lower part of my throat,chest thightness,increased hear rate hot flashes head ackes and I am nervous I am thinking of swithing to natural dessicated pigs glands med and hope it will work and yes my specialist lets me have a HST test only and says it is ok? figure

Sat, 02 Jul 2011

I have beenon Synthroid for about 6 months every 6 to 8 weeks they adjust the dosage. I am on 125 now I have been on this dosage for 30 days and i still have a upset stomach. Is this normal

Mon, 14 Dec 2009

I'm not getting an answer Ive been getting bladder infections this is abot my 4th one! now I have acid reflex that I never had befor taking Levothyroxine

Fri, 20 Nov 2009

I'm being treated for hypothyroidism with Synthroid. I'm also being treated for hypertension, high cholesteral and depression. After reading about hypothyroidism I'm more confused than ever about all of my problems mentioned. My last blood draw for TSH, 3rd generation read 6.30. what does 3rd generation mean. I'm concerned that Synthroid can cause liver damage. I've been on thyroid for several years. I'm 69 yrs. old. Can you shed some light on this? My primary physician is an Internist. Should I see an Endocronologist (sp) ?

Sat, 16 Jan 2010

I starting taking Synthroid 2 days ago. Today I began having muscle spasms in my neck and shoulder and lower back.

Fri, 12 Feb 2010

I have been taking Synthroid for 6 months. I have been experiencing numbness in the face and arms. I have alos had neck pain. Have also had bouts of anxiety. My nos e is cold and feels funny when I breathe.

Thu, 30 Dec 2010

I am having repeated bladder infections and my head feels woozy at times I have alot of upset stomach , chest pains, anxiety,

DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Synthroid Side Effects

Fatigue (535)
Headache (334)
Alopecia (330)
Dizziness (328)
Nausea (322)
Weight Increased (301)
Palpitations (272)
Feeling Abnormal (271)
Insomnia (269)
Dyspnoea (245)
Blood Thyroid Stimulating Hormone Increased (243)
Diarrhoea (242)
Rash (236)
Anxiety (232)
Pain (230)
Pruritus (228)
Malaise (202)
Asthenia (201)
Arthralgia (196)
Chest Pain (176)
Vomiting (121)
Weight Decreased (118)
Depression (112)
Heart Rate Increased (111)
Coeliac Disease (110)
Pain In Extremity (107)
Muscle Spasms (107)
Myalgia (106)
Abdominal Pain Upper (106)
Hyperhidrosis (106)
Abdominal Pain (104)
Tremor (101)
Urticaria (100)
Hypertension (99)
Fall (93)
Constipation (88)
Blood Pressure Increased (88)
Pulmonary Embolism (84)
Thyroid Function Test Abnormal (83)
Hypersensitivity (83)
Product Quality Issue (82)
Oedema Peripheral (82)
Nervousness (77)
Blood Thyroid Stimulating Hormone Decreased (76)
Hypothyroidism (76)
Blood Thyroid Stimulating Hormone Abnormal (74)
Hypoaesthesia (73)
Paraesthesia (70)
Abdominal Distension (70)
Pyrexia (67)

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