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Review: Levothroid and Tambocor

Summary: drug interactions are reported among people who take Levothroid and Tambocor together.

This review analyzes the effectiveness and drug interactions between Levothroid and Tambocor. It is created by eHealthMe based on reports of 470 people who take the same drugs from FDA and social media, and is updated regularly.

You are not alone: join a mobile support group for people who take Levothroid and Tambocor >>>

What are the drugs

Levothroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. (latest outcomes from Levothroid 5,591 users)

Tambocor has active ingredients of flecainide acetate. It is often used in atrial fibrillation/flutter. (latest outcomes from Tambocor 1,450 users)

On Dec, 20, 2014: 470 people who take Levothroid, Tambocor are studied

Levothroid, Tambocor outcomes

Drug combinations in study:
- Levothroid (levothyroxine sodium)
- Tambocor (flecainide acetate)

Drug effectiveness over time :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Levothroid is effectiven/an/a100.00%
(1 of 1 people)
(3 of 3 people)
(3 of 5 people)
(5 of 5 people)
(9 of 10 people)
Tambocor is effectiven/a75.00%
(3 of 4 people)
(3 of 6 people)
(5 of 6 people)
(4 of 5 people)
(3 of 3 people)
(2 of 2 people)

Most common drug interactions over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Cardiac Output DecreasedGastrointestinal UlcerChest DiscomfortElevated Liver EnzymesSyncopeAtrial FibrillationHeartburnDyspnoea
Ventricular TachycardiaGastric HaemorrhageHot FlashesRinging In The EarsAtrial FibrillationLoss Of ConsciousnessAtrial FibrillationAtrial Fibrillation
Cerebral HaemorrhageBlood Pressure DecreasedIrregular HeartbeatDry MouthLoss Of ConsciousnessMalaisePancreatic Enzymes AbnormalFatigue
FatigueWeight DecreasedVaginal IrritationNightmaresSinus BradycardiaLethargyNightmaresNausea
Drug Level Above TherapeuticDehydrationElevated Liver EnzymesBradycardiaHyperhidrosisVaginal PainFall
HyponatraemiaMalnutritionFood InteractionHead InjuryBlood Glucose DecreasedDry MouthPain In Extremity
Atrial FibrillationItchingWeight DecreasedBronchitisVaginal IrritationHyponatraemia
PancytopeniaDrowsinessVaginal PainNervousnessDrowsinessPain
Interstitial Lung DiseaseAcute Stress DisorderUrinary Tract InfectionBlood Glucose IncreasedDupuytren's ContractureMalaise
DizzinessDupuytren's ContractureRestless Legs SyndromeVomitingFood InteractionDizziness

Drug effectiveness by gender :

Levothroid is effective93.75%
(15 of 16 people)
(6 of 8 people)
Tambocor is effective77.78%
(14 of 18 people)
(6 of 8 people)

Most common drug interactions by gender * :

DyspnoeaAtrial Fibrillation
Atrial FibrillationChest Pain
Pain In ExtremityCardiac Output Decreased

Drug effectiveness by age :

Levothroid is effectiven/an/an/an/a100.00%
(2 of 2 people)
(3 of 5 people)
(2 of 3 people)
(14 of 27 people)
Tambocor is effectiven/an/an/an/a100.00%
(2 of 2 people)
(2 of 6 people)
(3 of 3 people)
(13 of 28 people)

Most common drug interactions by age * :

n/an/an/an/aMyocardial InfarctionPainMuscular WeaknessDyspnoea
Pulmonary EmbolismGeneral Physical Health DeteriorationIntestinal ObstructionAtrial Fibrillation
Emotional DistressCardiac Output DecreasedNausea
Nephrogenic Systemic FibrosisAnaemiaHyponatraemia
Joint SwellingMyopathyHypotension
Musculoskeletal StiffnessUrticariaPalpitations
Mobility DecreasedLoss Of ConsciousnessDizziness
Pain In ExtremityVomitingAsthenia
Skin DiscolourationDrug IneffectiveMalaise

* Some reports may have incomplete information.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

Do you take Levothroid and Tambocor?

You are not alone! Join a related mobile support group:
- support group for people who take Levothroid and Tambocor
- support group for people who take Levothroid
- support group for people who take Tambocor

Can you answer these questions (Ask a question):

More questions for: Levothroid, Tambocor

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    Have twice used levoflaxin 500 for diverticulitis both times resulted in flutter and atrial fibrillation. I have a history of a fib and have had an ablation. I don't recommend this drug if you have a history, or are prone to it
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    Right hip fracture. When prepping for surgery AFIB was found. Surgery was cancelled and they attempted to get AFIB under control. Finally, cardioversion was performed. When my nails started to grow out they all had two horizontal lines that cause the nail to break when it grows out to that point.
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    I went off after 7 years on it when I discovered a link to a higher rate of lung cancer. I switched to Armour and it handled the hypothyroidism way better.

More reviews for: Levothroid, Tambocor

Comments from related studies:

  • From this study (10 months ago):

  • Nightmares more frequently since starting Flecainide about 1 1/2 years ago. The dreams vary in intensity and seem to be less on days when I have been very active and tired at bed time.


  • From this study (2 years ago):

  • Since being on Pradaxa I have extreme vaginal itching. I have no yeast infection or UTI


  • From this study (2 years ago):

  • It seems that the side effects of the meds I take always seem to present other problems; in other words, more meds hit me with more problems. I really become upset when doctors don't understand what I'm saying or what I'm dealing with.


    Natalie on Sep, 28, 2012:

    Side effects of high doses of Lortab suck. You will feel sleepy. If you are taking it frequently, you will not want to eat. Feel somewhat depressed, yet it takes away the pain.


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Complete drug side effects:

On eHealthMe, Levothroid (levothyroxine sodium) is often used to treat hypothyroidism. Tambocor (flecainide acetate) is often used to treat atrial fibrillation/flutter. Find out below the conditions the drugs are used for, how effective they are, and any alternative drugs that you can use to treat those same conditions.

What is the drug used for and how effective is it:

Other drugs that are used to treat the same conditions:

NOTE: The study is based on active ingredients. Other drugs that have the same active ingredients are also considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.


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