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Tambocor Side Effects

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Common Tambocor Side Effects


The most commonly reported Tambocor side effects (click to view or check a box to report):

Atrial Fibrillation (14)
Hypotension (7)
Bradycardia (7)
Ventricular Tachycardia (6)
Heart Rate Increased (6)
Arrhythmia (6)
Cardiac Failure (6)
Electrocardiogram Qt Prolonged (5)
Dyspnoea (5)
Fatigue (4)
Malaise (4)
Supraventricular Tachycardia (4)
Electrocardiogram Qrs Complex Prolonged (4)
Renal Failure Acute (4)
Coronary Artery Occlusion (4)
Loss Of Consciousness (4)
Chest Pain (4)
Haemoptysis (3)
Nausea (3)
Blood Lactate Dehydrogenase Increased (3)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Tambocor Side Effects Reported to FDA



Tambocor Side Effect Report#9848348
Cerebrovascular Accident, Paranoia, Agitation, Delusion, Ammonia Increased
This is a report of a 84-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: arrhythmia supraventricular, who was treated with Tambocor (dosage: NA, start time: NS), combined with:
  • Atorvastatin (lipitor)
  • Cholecalciferol (vitamin D-3)
  • Cionldine (catapres)
  • Coenzyme Q10 (co 0.70)
  • Lacto Gasseri-b Bifid-b Longum (phillips^ Colon Health)
  • Levothyroxine (synthroid)
  • Losartan (cozaar)
  • Magnesium Hydroxide (pedia-lax)
and developed a serious reaction and side effect(s): Cerebrovascular Accident, Paranoia, Agitation, Delusion, Ammonia Increased after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tambocor treatment in female patients, resulting in Cerebrovascular Accident side effect.
Tambocor Side Effect Report#9803986
Visual Impairment, Dizziness, Abdominal Pain, Dyspnoea, Depressed Mood, Hallucination, Auditory, Memory Impairment, Anger
This report suggests a potential Tambocor Visual Impairment side effect(s) that can have serious consequences. A 6-year-old male patient (weight: NA) from AU was diagnosed with the following symptoms/conditions: arrhythmia and used Tambocor (dosage: NA) starting 201306. After starting Tambocor the patient began experiencing various side effects, including: Visual Impairment, Dizziness, Abdominal Pain, Dyspnoea, Depressed Mood, Hallucination, Auditory, Memory Impairment, AngerAdditional drugs used concurrently: NA. Although Tambocor demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Visual Impairment, may still occur.
Tambocor Side Effect Report#9555925
Bradycardia
This Bradycardia problem was reported by a health professional from US. A 75-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: atrial fibrillation,percutaneous coronary intervention. On
Jan 11, 2012 this consumer started treatment with Tambocor (dosage: NA). The following drugs were being taken at the same time:
  • Clopidogrel (clopidogrel) (clopidogrel)
  • Niacin
  • Acetylsalicylic Acid
  • Furosemide
  • Nitroglycerin (glyceryl Trinitrate) (glyceryl Trinitrate)
  • Simvastatin (simvastatin) (simvastatin)
  • Metoprolol (metoprolol) (metoprolol)
  • Famotidine (famotidine) (famotidine)
When using Tambocor, the patient experienced the following unwanted symptoms/side effects: BradycardiaThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Bradycardia, may become evident only after a product is in use by the general population.
Tambocor Side Effect Report#9555915
Toxicity To Various Agents, Electrocardiogram Pr Prolongation, Electrocardiogram Qt Prolonged, Bundle Branch Block Bilateral
This Toxicity To Various Agents side effect was reported by a health professional from US. A 46-year-old female patient (weight:NA) experienced the following symptoms/conditions: arrhythmia.The patient was prescribed Tambocor (drug dosage: NA), which was initiated on NS. Concurrently used drugs: NA..After starting to take Tambocor the consumer reported adverse symptoms, such as: Toxicity To Various Agents, Electrocardiogram Pr Prolongation, Electrocardiogram Qt Prolonged, Bundle Branch Block BilateralThese side effects may potentially be related to Tambocor.
Tambocor Side Effect Report#9491933
Suicide Attempt, Hypotension, Somnolence, Electrocardiogram Qrs Complex Prolonged, Bundle Branch Block Right, Electrocardiogram Qt Prolonged, Poisoning, Incorrect Dose Administered
This is a report of a 18-year-old female patient (weight: NA) from ES, suffering from the following health symptoms/conditions: suicide attempt, who was treated with Tambocor (dosage: 1 In 1 Total, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Suicide Attempt, Hypotension, Somnolence, Electrocardiogram Qrs Complex Prolonged, Bundle Branch Block Right, Electrocardiogram Qt Prolonged, Poisoning, Incorrect Dose Administered after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tambocor treatment in female patients, resulting in Suicide Attempt side effect. The patient was hospitalized.
Tambocor Side Effect Report#9487032
Heart Valve Incompetence, Coronary Artery Occlusion, Treatment Noncompliance
This report suggests a potential Tambocor Heart Valve Incompetence side effect(s) that can have serious consequences. A 65-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Tambocor (dosage: 2 In 1 D) starting
Oct 22, 2012. After starting Tambocor the patient began experiencing various side effects, including: Heart Valve Incompetence, Coronary Artery Occlusion, Treatment NoncomplianceAdditional drugs used concurrently:
  • Multivitamin
  • Diltiazem
  • Simvastatin
  • Vitamin B12
  • Vitamin D3
  • Pneumococcal
  • Aspirin
  • Effient
The patient was hospitalized. Although Tambocor demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Heart Valve Incompetence, may still occur.
Tambocor Side Effect Report#9486965
Atrial Fibrillation, Thyroid Cancer, Colon Cancer, Enteritis, Breast Cancer, Toxicity To Various Agents, Parathyroid Tumour Benign
This Atrial Fibrillation problem was reported by a consumer or non-health professional from US. A 74-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: atrial fibrillation. On 2000 this consumer started treatment with Tambocor (dosage: NA). The following drugs were being taken at the same time:
  • Flecainide
  • Azor
  • Synthroid
  • Livalo
  • Celebrex
When using Tambocor, the patient experienced the following unwanted symptoms/side effects: Atrial Fibrillation, Thyroid Cancer, Colon Cancer, Enteritis, Breast Cancer, Toxicity To Various Agents, Parathyroid Tumour BenignThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Atrial Fibrillation, may become evident only after a product is in use by the general population.
Tambocor Side Effect Report#9066880
Thyroid Cancer, Colon Cancer, Enteritis, Breast Cancer, Parathyroid Tumour Benign
This Thyroid Cancer side effect was reported by a health professional from US. A 74-year-old female patient (weight:NA) experienced the following symptoms/conditions: atrial fibrillation.The patient was prescribed Tambocor (drug dosage: NA), which was initiated on 2000. Concurrently used drugs:
  • Flecainide
  • Azor
  • Synthroid
  • Livalo
  • Celebrex
.After starting to take Tambocor the consumer reported adverse symptoms, such as: Thyroid Cancer, Colon Cancer, Enteritis, Breast Cancer, Parathyroid Tumour BenignThese side effects may potentially be related to Tambocor. The patient was hospitalized.
Tambocor Side Effect Report#8886091
Heart Valve Incompetence, Coronary Artery Occlusion
This is a report of a 65-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Tambocor (dosage: NA, start time:
Oct 25, 2012), combined with: NA. and developed a serious reaction and side effect(s): Heart Valve Incompetence, Coronary Artery Occlusion after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tambocor treatment in male patients, resulting in Heart Valve Incompetence side effect. The patient was hospitalized.
Tambocor Side Effect Report#8165348-6
Abdominal Pain Upper, Product Substitution Issue, Nausea
This report suggests a potential Tambocor Abdominal Pain Upper side effect(s) that can have serious consequences. A female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: atrial fibrillation and used Tambocor (dosage: 100mg Bid Orally) starting
Jan 19, 2012. After starting Tambocor the patient began experiencing various side effects, including: Abdominal Pain Upper, Product Substitution Issue, NauseaAdditional drugs used concurrently: NA. Although Tambocor demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Abdominal Pain Upper, may still occur.
Tambocor Side Effect Report#7966027-8
This Death problem was reported by a physician from Japan. A female patient (weight: NA) was diagnosed with the following symptoms/conditions: atrial fibrillation. On
Aug 10, 2011 this consumer started treatment with Tambocor (dosage: NA). The following drugs were being taken at the same time:
  • Verapamil Hcl (240 Mg)
  • Digoxin (0.25 Mg)
  • Pradaxa (220 Mg)
  • Digoxin
  • Pradaxa (300 Mg)
When using Tambocor, the patient experienced the following unwanted symptoms/side effects:Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Death, may become evident only after a product is in use by the general population.
Tambocor Side Effect Report#7792619-5
Muscle Spasms, Nausea, Abdominal Discomfort, Muscle Contractions Involuntary, Myalgia
This Muscle Spasms side effect was reported by a physician from United States. A 89-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Tambocor (drug dosage: NA), which was initiated on
Jan 01, 2011. Concurrently used drugs:
  • Pradaxa (300 Mg)
.After starting to take Tambocor the consumer reported adverse symptoms, such as: Muscle Spasms, Nausea, Abdominal Discomfort, Muscle Contractions Involuntary, MyalgiaThese side effects may potentially be related to Tambocor.
Tambocor Side Effect Report#7571816-8
Thrombosis In Device
This is a report of a 62-year-old male patient (weight: NA) from Japan, suffering from the following health symptoms/conditions: atrial fibrillation,acute myocardial infarction,hypertension, who was treated with Tambocor (dosage: Unk, start time:
Oct 11, 2010), combined with:
  • Plavix (Unk)
  • Calblock (Unk)
  • Ecard Combination (Unk)
  • Lipitor (10 Mg, 1x/day)
  • Aspirin (Unk)
  • Rabeprazole Sodium (Unk)
and developed a serious reaction and side effect(s): Thrombosis In Device after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tambocor treatment in male patients, resulting in Thrombosis In Device side effect.
Tambocor Side Effect Report#7571775-8
Electrocardiogram Qt Prolonged, Tachyarrhythmia, Chest Discomfort, Rotator Cuff Syndrome
This report suggests a potential Tambocor Electrocardiogram Qt Prolonged side effect(s) that can have serious consequences. A female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: NA and used Tambocor (dosage: NA) starting
Feb 24, 2011. After starting Tambocor the patient began experiencing various side effects, including: Electrocardiogram Qt Prolonged, Tachyarrhythmia, Chest Discomfort, Rotator Cuff SyndromeAdditional drugs used concurrently:
  • Sutent (25 Mg, 1x/day, Cyclically)
Although Tambocor demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Electrocardiogram Qt Prolonged, may still occur.
Tambocor Side Effect Report#7503328-1
Ventricular Extrasystoles, Atrial Fibrillation
This Ventricular Extrasystoles problem was reported by a physician from Germany. A 71-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Oct 12, 2010 this consumer started treatment with Tambocor (dosage: 100 Mg, Unk). The following drugs were being taken at the same time:
  • Denosumab (60 Mg, Unk)
When using Tambocor, the patient experienced the following unwanted symptoms/side effects: Ventricular Extrasystoles, Atrial FibrillationAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Ventricular Extrasystoles, may become evident only after a product is in use by the general population.
Tambocor Side Effect Report#7487422-X
Extrasystoles, Atrial Fibrillation
This Extrasystoles side effect was reported by a physician from Germany. A 71-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Tambocor (drug dosage: 100 Mg, Unk), which was initiated on
Oct 12, 2010. Concurrently used drugs:
  • Denosumab (60 Mg, Unk)
.After starting to take Tambocor the consumer reported adverse symptoms, such as: Extrasystoles, Atrial FibrillationThese side effects may potentially be related to Tambocor.
Tambocor Side Effect Report#7463763-7
Interstitial Lung Disease, Haemoptysis
This is a report of a male patient (weight: NA) from Japan, suffering from the following health symptoms/conditions: arrhythmia prophylaxis,pneumonia,bronchitis chronic,atrial fibrillation,hypertension, who was treated with Tambocor (dosage: 100 Mg, start time:
Dec 22, 2009), combined with:
  • Carbenin (1 G)
  • Musosal-l (45 Mg)
  • Pradaxa (300 Mg)
  • Amlodin Od (7.5 Mg)
  • Tanatril (5 Mg)
  • Celectol (200 Mg)
and developed a serious reaction and side effect(s): Interstitial Lung Disease, Haemoptysis after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tambocor treatment in male patients, resulting in Interstitial Lung Disease side effect. The patient was hospitalized.
Tambocor Side Effect Report#7370342-9
Urticaria
This report suggests a potential Tambocor Urticaria side effect(s) that can have serious consequences. A 54-year-old female patient (weight: NA) from Sweden was diagnosed with the following symptoms/conditions: NA and used Tambocor (dosage: 100 Mg, Unk) starting
Dec 10, 2010. After starting Tambocor the patient began experiencing various side effects, including: UrticariaAdditional drugs used concurrently:
  • Fluoxetine Hydrochloride (Unk)
  • Levothyroxine Sodium (100 Ug, Unk)
  • Furix (40 Mg, Unk)
  • Warfarin
  • Novastan (100 Mg/ml (for Infusion))
  • Simvastatin (Unk)
  • Ketogan Novum (5 Mg/ml, Unk)
  • Oxycodone (Unk)
The patient was hospitalized. Although Tambocor demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Urticaria, may still occur.
Tambocor Side Effect Report#7359692-X
Urticaria
This Urticaria problem was reported by a health professional from Sweden. A 54-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Dec 10, 2010 this consumer started treatment with Tambocor (dosage: 100 Mg, Unk). The following drugs were being taken at the same time:
  • Simvastatin
  • Furix (40 Mg, Unk)
  • Emgesan (250 Mg, Unk)
  • Ketogan Novum (5 Mg/ml, Unk)
  • Omeprazole
  • Oxycodone
  • Levothyroxine Sodium (100 Ug, Unk)
  • Novastan (100 Mg/ml, Daily)
When using Tambocor, the patient experienced the following unwanted symptoms/side effects: UrticariaThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Urticaria, may become evident only after a product is in use by the general population.
Tambocor Side Effect Report#7248741-5
Atrial Fibrillation, Arrhythmia, Product Substitution Issue
This Atrial Fibrillation side effect was reported by a consumer or non-health professional from United States. A 62-year-old female patient (weight:NA) experienced the following symptoms/conditions: arrhythmia.The patient was prescribed Tambocor (drug dosage: NA), which was initiated on NS. Concurrently used drugs: NA..After starting to take Tambocor the consumer reported adverse symptoms, such as: Atrial Fibrillation, Arrhythmia, Product Substitution IssueThese side effects may potentially be related to Tambocor.
Tambocor Side Effect Report#7150243-1
Arrhythmia, Breast Cancer Female, Breast Cellulitis, Constipation, Coombs Positive Haemolytic Anaemia, Hyperglycaemia, Oestrogen Receptor Assay Positive, Progesterone Receptor Assay Positive, Pyuria
This is a report of a 67-year-old female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: arrhythmia, who was treated with Tambocor (dosage: 100 Mg;bid;po, 200 Mg;bid;po, start time:
Nov 14, 2010), combined with: NA. and developed a serious reaction and side effect(s): Arrhythmia, Breast Cancer Female, Breast Cellulitis, Constipation, Coombs Positive Haemolytic Anaemia, Hyperglycaemia, Oestrogen Receptor Assay Positive, Progesterone Receptor Assay Positive, Pyuria after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tambocor treatment in female patients, resulting in Arrhythmia side effect. The patient was hospitalized.
Tambocor Side Effect Report#7080596-4
Blood Pressure Diastolic Decreased, Cardiac Failure, Hypercapnia, Hypoglycaemia, Hypoxia, Treatment Noncompliance, Ventricular Tachycardia, Vision Blurred, Weight Increased
This report suggests a potential Tambocor Blood Pressure Diastolic Decreased side effect(s) that can have serious consequences. A 65-year-old male patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: atrial fibrillation and used Tambocor (dosage: Po) starting
May 14, 2010. After starting Tambocor the patient began experiencing various side effects, including: Blood Pressure Diastolic Decreased, Cardiac Failure, Hypercapnia, Hypoglycaemia, Hypoxia, Treatment Noncompliance, Ventricular Tachycardia, Vision Blurred, Weight IncreasedAdditional drugs used concurrently:
  • Sildenafil Citrate (20 Mg; Tid)
The patient was hospitalized. Although Tambocor demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Blood Pressure Diastolic Decreased, may still occur.
Tambocor Side Effect Report#6936861-1
Base Excess Increased, Blood Glucose Increased, Blood Ph Decreased, Bradycardia, Cardiogenic Shock, Electrocardiogram P Wave Abnormal, Electrocardiogram Qrs Complex Prolonged, Hypotonia
This Base Excess Increased problem was reported by a physician from Germany. A 48-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: suicide attempt. On NS this consumer started treatment with Tambocor (flecainide Acetate) (dosage: Po). The following drugs were being taken at the same time:
  • Citalopram
  • Lamotrigine
When using Tambocor (flecainide Acetate), the patient experienced the following unwanted symptoms/side effects: Base Excess Increased, Blood Glucose Increased, Blood Ph Decreased, Bradycardia, Cardiogenic Shock, Electrocardiogram P Wave Abnormal, Electrocardiogram Qrs Complex Prolonged, HypotoniaThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Base Excess Increased, may become evident only after a product is in use by the general population.
Tambocor Side Effect Report#6874878-6
Atrial Fibrillation, Atrial Flutter, Cyanosis, Electrocardiogram Qrs Complex Prolonged, Haemodynamic Instability, Heart Rate Increased, Hypotension, Oedema, Oedema Peripheral
This Atrial Fibrillation side effect was reported by a health professional from Belgium. A 56-year-old female patient (weight:NA) experienced the following symptoms/conditions: atrial fibrillation.The patient was prescribed Tambocor (flecainide Acetate) (drug dosage: 100 Mg;qd;po), which was initiated on NS. Concurrently used drugs:
  • Pulmicort
  • Atrovent
  • Ventolin
  • Serevent
  • Paracodin /00063002/
  • Acetylcysteine
.After starting to take Tambocor (flecainide Acetate) the consumer reported adverse symptoms, such as: Atrial Fibrillation, Atrial Flutter, Cyanosis, Electrocardiogram Qrs Complex Prolonged, Haemodynamic Instability, Heart Rate Increased, Hypotension, Oedema, Oedema PeripheralThese side effects may potentially be related to Tambocor (flecainide Acetate). The patient was hospitalized.
Tambocor Side Effect Report#6752740-7
Heart Rate Irregular, Hypotension, Incorrect Dose Administered, Overdose, Supraventricular Tachycardia
This is a report of a female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: heart rate irregular, who was treated with Tambocor (dosage: 4 Mg; Q8h; Po, start time:
Aug 01, 2009), combined with: NA. and developed a serious reaction and side effect(s): Heart Rate Irregular, Hypotension, Incorrect Dose Administered, Overdose, Supraventricular Tachycardia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tambocor treatment in female patients, resulting in Heart Rate Irregular side effect. The patient was hospitalized.


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The appearance of Tambocor on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.

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  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

    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.

    Tambocor reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
    FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.

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