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Methycobal Side Effects

PatientsVille

Common Methycobal Side Effects


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

Interstitial Lung Disease (8)
Altered State Of Consciousness (7)
Hepatic Function Abnormal (4)
Neoplasm Progression (4)
Dizziness (4)
Pyrexia (4)
Platelet Count Decreased (4)
C-reactive Protein Increased (3)
Atrial Fibrillation (3)
Chest Pain (3)
Cough (3)
Malaise (3)
Dehydration (3)
Rash (3)
Weight Increased (3)
Vomiting (3)
Pleural Effusion (3)
Neutrophil Count Decreased (3)
Oedema (3)
Oedema Peripheral (2)

➢ 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.

Methycobal Side Effects Reported to FDA



Methycobal Side Effect Report#8405966-0
Supraventricular Tachycardia, Pleural Effusion, Sinus Tachycardia, Ventricular Hypokinesia, Cardiac Failure Congestive, Bundle Branch Block Left, Cough
This is a report of a 72-year-old male patient (weight: NA) from Japan, suffering from the following health symptoms/conditions: NA, who was treated with Methycobal (mecobalamin) Tablet, 500 Ug 11/02/1999 To 01/25/2001 (dosage: NA, start time:
Sep 07, 1999), combined with:
  • Norvask (amlodipine) Tablet, 5 Mg Ongoing
  • Dibetos (buformin Hydrochloride) Tablet, 50 Mg Unk To 01/25/2001
  • Liple (alprostadil) Injection, 10 Ug 08/10/1999 To --/--/1999
  • Anplag (sarpogrelate Hydrochloride) Tablet, 100 Mg 08/28/2000 To 01/25
  • Gyusha-kenkigan Extract (chinese Herbal Medicine) Powder (except [dpo]
  • Euglucon (glibenclamide) Tablet, 2.5 Mg Ongoing
  • Glucobay (acarbose) Tablet, 100 Mg Ongoing
  • Juzen-taiho-to (chinese Herbal Medicine) Powder (except [dpo]) Unk To
and developed a serious reaction and side effect(s): Supraventricular Tachycardia, Pleural Effusion, Sinus Tachycardia, Ventricular Hypokinesia, Cardiac Failure Congestive, Bundle Branch Block Left, Cough after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Methycobal (mecobalamin) Tablet, 500 Ug 11/02/1999 To 01/25/2001 treatment in male patients, resulting in Supraventricular Tachycardia side effect. The patient was hospitalized.
Methycobal Side Effect Report#8274659-5
Oedema, Weight Increased, Tubulointerstitial Nephritis
This report suggests a potential Methycobal Oedema side effect(s) that can have serious consequences. A 51-year-old female patient (weight: NA) from Japan was diagnosed with the following symptoms/conditions: herpes zoster and used Methycobal (dosage: 1500mcg Per Day) starting
Mar 12, 2012. After starting Methycobal the patient began experiencing various side effects, including: Oedema, Weight Increased, Tubulointerstitial NephritisAdditional drugs used concurrently:
  • Valtrex (3000mg Per Day)
  • Mucosta (300mg Per Day)
  • Lorfenamin (180mg Per Day)
The patient was hospitalized. Although Methycobal demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Oedema, may still occur.
Methycobal Side Effect Report#8269601-7
Hepatic Neoplasm Malignant
This Hepatic Neoplasm Malignant problem was reported by a physician from Japan. A 78-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Dec 05, 2009 this consumer started treatment with Methycobal (dosage: NA). The following drugs were being taken at the same time:
  • Plavix
  • Cilostazol
  • Avonex
When using Methycobal, the patient experienced the following unwanted symptoms/side effects: Hepatic Neoplasm MalignantAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Hepatic Neoplasm Malignant, may become evident only after a product is in use by the general population.
Methycobal Side Effect Report#8262276-2
Interstitial Lung Disease, Rash, Haemoglobin Decreased
This Interstitial Lung Disease side effect was reported by a consumer or non-health professional from Japan. A female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Methycobal (drug dosage: 1 Mg, Unk), which was initiated on
Nov 06, 2011. Concurrently used drugs:
  • Loxonin (60 Mg, Qd)
  • Sairei-to (3 G, Tid)
  • Panvitan (1 G, Unk)
  • Medicon (15 Mg, Tid)
  • Lansoprazole (15 Mg, Qd)
  • Alimta (500 Mg/m2, Unk)
  • Carboplatin (625 Mg, Unk)
  • Mucosta (100 Mg, Qd)
.After starting to take Methycobal the consumer reported adverse symptoms, such as: Interstitial Lung Disease, Rash, Haemoglobin DecreasedThese side effects may potentially be related to Methycobal. The patient was hospitalized.
Methycobal Side Effect Report#8238094-8
Tubulointerstitial Nephritis, Oedema, Weight Increased
This is a report of a 51-year-old female patient (weight: NA) from Japan, suffering from the following health symptoms/conditions: NA, who was treated with Methycobal (dosage: NA, start time:
Mar 12, 2012), combined with:
  • Valtrex (3000mg Per Day)
  • Loxonin
  • Mucosta
and developed a serious reaction and side effect(s): Tubulointerstitial Nephritis, Oedema, Weight Increased after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Methycobal treatment in female patients, resulting in Tubulointerstitial Nephritis side effect. The patient was hospitalized.
Methycobal Side Effect Report#8237022-9
Pyrexia, Salivary Hypersecretion, Platelet Count Decreased, Dizziness, Rash, Thrombocytopenia, Viith Nerve Paralysis, Vomiting
This report suggests a potential Methycobal Pyrexia side effect(s) that can have serious consequences. A 71-year-old male patient (weight: NA) from Japan was diagnosed with the following symptoms/conditions: NA and used Methycobal (dosage: NA) starting
May 11, 2011. After starting Methycobal the patient began experiencing various side effects, including: Pyrexia, Salivary Hypersecretion, Platelet Count Decreased, Dizziness, Rash, Thrombocytopenia, Viith Nerve Paralysis, VomitingAdditional drugs used concurrently:
  • Hydrocortisone Sodium Succinate
  • Tegretol (800 Mg, Daily)
  • Flivas
  • Loxonin
  • Adenosine
  • Tegretol (1200 Mg, Daily)
  • Mucosta
  • Dogmatyl
The patient was hospitalized. Although Methycobal demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Pyrexia, may still occur.
Methycobal Side Effect Report#8185112-1
Pancytopenia
This Pancytopenia problem was reported by a physician from Japan. A 63-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: complex regional pain syndrome. On
Mar 12, 2011 this consumer started treatment with Methycobal (dosage: Unk). The following drugs were being taken at the same time:
  • Amitriptyline Hcl (Unk)
  • Atorvastatin Calcium (10 Mg, 1x/day)
  • Pursennid (Unk)
When using Methycobal, the patient experienced the following unwanted symptoms/side effects: PancytopeniaAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Pancytopenia, may become evident only after a product is in use by the general population.
Methycobal Side Effect Report#8179945-5
Loss Of Consciousness
This Loss Of Consciousness side effect was reported by a consumer or non-health professional from Germany. A 83-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Methycobal (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Amaryl
  • Metformin Hcl
  • Candesartan Cilexetil
  • Kinedak
.After starting to take Methycobal the consumer reported adverse symptoms, such as: Loss Of ConsciousnessThese side effects may potentially be related to Methycobal. The patient was hospitalized.
Methycobal Side Effect Report#8170701-0
Anaphylactic Reaction
This is a report of a male patient (weight: NA) from Japan, suffering from the following health symptoms/conditions: NA, who was treated with Methycobal (dosage: 1000 Unk, Unk, start time:
Jan 04, 2012), combined with:
  • Alimta (800 Mg, Unk)
  • Granisetron Hydrochloride (Unk)
  • Dexamethasone Sodium Phosphate (Unk)
  • Panvitan /00466101/ (1 G, Qd)
  • Emend (125 Mg, Unk)
and developed a serious reaction and side effect(s): Anaphylactic Reaction after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Methycobal treatment in male patients, resulting in Anaphylactic Reaction side effect.
Methycobal Side Effect Report#8130243-5
Hypokalaemia, Blood Pressure Diastolic Decreased, Metabolic Alkalosis, Hypercalcaemia, Dehydration, Dyschezia, Abnormal Faeces, Flank Pain, Renal Failure Chronic
This report suggests a potential Methycobal Hypokalaemia side effect(s) that can have serious consequences. A female patient (weight: NA) from Japan was diagnosed with the following symptoms/conditions: NA and used Methycobal (dosage: 1500 Ug, Unk) starting
Oct 01, 2009. After starting Methycobal the patient began experiencing various side effects, including: Hypokalaemia, Blood Pressure Diastolic Decreased, Metabolic Alkalosis, Hypercalcaemia, Dehydration, Dyschezia, Abnormal Faeces, Flank Pain, Renal Failure ChronicAdditional drugs used concurrently:
  • Calcium Polystyrene Sulfonate (75 G, Unk)
  • Valsartan/hydrochlorothiazide (1 Df, Daily)
  • Alfacalcidol (1 Ug, Daily)
  • Mucosta (300 Mg, Unk)
  • Famotidine (10 Mg, Unk)
The patient was hospitalized. Although Methycobal demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Hypokalaemia, may still occur.
Methycobal Side Effect Report#8126227-3
Eosinophil Count Increased, C-reactive Protein Increased, Lymphocyte Count Decreased, Blood Urea Increased, Blood Creatinine Increased, Haemoglobin Decreased, Pleural Effusion, Haematocrit Decreased
This Eosinophil Count Increased problem was reported by a physician from Japan. A male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Sep 28, 2011 this consumer started treatment with Methycobal (dosage: 2000 Ug, Unk). The following drugs were being taken at the same time:
  • Nirena (20 Mg, Unk)
  • Sodium Chloride (200 Ml, Unk)
  • Veen-f (500 Ml, Unk)
  • Veen-f (1000 Ml, Unk)
  • Aspirin (100 Mg,)
When using Methycobal, the patient experienced the following unwanted symptoms/side effects: Eosinophil Count Increased, C-reactive Protein Increased, Lymphocyte Count Decreased, Blood Urea Increased, Blood Creatinine Increased, Haemoglobin Decreased, Pleural Effusion, Haematocrit DecreasedThe 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 Eosinophil Count Increased, may become evident only after a product is in use by the general population.
Methycobal Side Effect Report#8125616-0
Hyperlipidaemia, Diabetes Mellitus, Hepatic Function Abnormal
This Hyperlipidaemia side effect was reported by a physician from Japan. A 41-year-old female patient (weight:NA) experienced the following symptoms/conditions: neuropathy peripheral,arteriosclerosis,thrombosis prophylaxis.The patient was prescribed Methycobal (drug dosage: 500 Ug, 2x/day), which was initiated on
Jan 19, 2009. Concurrently used drugs:
  • Myser (5 G, As Needed)
  • Aspirin (100 Mg, 1x/day)
  • Flomox (100 Mg, 3x/day)
  • Medroxyprogesterone Acetate (200 Mg, 2x/day)
  • Loxonin (60 Mg, As Needed)
  • Pl (1 G, 3x/day)
  • Ketoprofen (20 Mg, 1x/day)
  • Gentamicin Sulfate (10 G, As Needed)
.After starting to take Methycobal the consumer reported adverse symptoms, such as: Hyperlipidaemia, Diabetes Mellitus, Hepatic Function AbnormalThese side effects may potentially be related to Methycobal.
Methycobal Side Effect Report#8104330-1
Altered State Of Consciousness, Condition Aggravated
This is a report of a male patient (weight: NA) from Netherlands, suffering from the following health symptoms/conditions: NA, who was treated with Methycobal (dosage: Unk, start time:
Apr 03, 2007), combined with:
  • Alendronate Sodium (Unk)
  • Dantrium (75 Mg, Daily)
  • Tizanidine Hcl (Unk)
  • Opalmon (Unk)
  • Loxonin (Unk)
  • Adenosine (Unk)
  • Dantrium (50 Mg, Tid)
  • Dantrium (150 Mg, Daily)
and developed a serious reaction and side effect(s): Altered State Of Consciousness, Condition Aggravated after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Methycobal treatment in male patients, resulting in Altered State Of Consciousness side effect.
Methycobal Side Effect Report#8057263-3
Neoplasm Malignant, Neoplasm Progression, Neutrophil Count Decreased
This report suggests a potential Methycobal Neoplasm Malignant side effect(s) that can have serious consequences. A male patient (weight: NA) from Japan was diagnosed with the following symptoms/conditions: NA and used Methycobal (dosage: 500 Ug) starting
Sep 12, 2011. After starting Methycobal the patient began experiencing various side effects, including: Neoplasm Malignant, Neoplasm Progression, Neutrophil Count DecreasedAdditional drugs used concurrently:
  • Urief (4 Mg)
  • Lansoprazole (15 Mg)
  • Seltouch
  • Amlodipine Maleate (5 Mg)
  • Afinitor (10 Mg Daily)
  • Allopurinol (Unk Ukn, Unk)
  • Afinitor (10 Mg Daily)
Although Methycobal demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Neoplasm Malignant, may still occur.
Methycobal Side Effect Report#8053575-8
Seronegative Arthritis
This Seronegative Arthritis problem was reported by a physician from Japan. A 73-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: diabetic neuropathy,type 2 diabetes mellitus,hypertension. On
Jul 06, 2011 this consumer started treatment with Methycobal (dosage: Administering For A Long Term). The following drugs were being taken at the same time:
  • Januvia
  • Atelec (10 Mg In Morning And 5mg In Evening-administering For A Long Term)
When using Methycobal, the patient experienced the following unwanted symptoms/side effects: Seronegative ArthritisThe 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 Seronegative Arthritis, may become evident only after a product is in use by the general population.
Methycobal Side Effect Report#8047274-6
Blood Disorder
This Blood Disorder side effect was reported by a physician from Japan. A 64-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Methycobal (drug dosage: NA), which was initiated on
Jul 12, 2010. Concurrently used drugs:
  • Cefazolin Sodium
  • Clopidogrel Bisulfate (Loading Dose)
  • Clopidogrel Bisulfate (1st Day 2nd Month)
  • Aspirin
  • Lansoprazole
.After starting to take Methycobal the consumer reported adverse symptoms, such as: Blood DisorderThese side effects may potentially be related to Methycobal. The patient was hospitalized.
Methycobal Side Effect Report#8022599-9
Malaise, Jaundice
This is a report of a female patient (weight: NA) from Japan, suffering from the following health symptoms/conditions: neuropathy peripheral,breast cancer,nausea,cancer pain, who was treated with Methycobal (dosage: NA, start time:
Apr 15, 2010), combined with:
  • Tykerb (1250mg Per Day)
and developed a serious reaction and side effect(s): Malaise, Jaundice after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Methycobal treatment in female patients, resulting in Malaise side effect. The patient was hospitalized.
Methycobal Side Effect Report#8017365-4
Pyelonephritis, Platelet Count Decreased, Gastric Ulcer, Haemorrhage Subcutaneous, Cholecystitis, Cholecystitis Acute
This report suggests a potential Methycobal Pyelonephritis side effect(s) that can have serious consequences. A male patient (weight: NA) from Japan was diagnosed with the following symptoms/conditions: neuropathy peripheral and used Methycobal (dosage: Doseform: Peroral Agent.) starting
Mar 05, 2009. After starting Methycobal the patient began experiencing various side effects, including: Pyelonephritis, Platelet Count Decreased, Gastric Ulcer, Haemorrhage Subcutaneous, Cholecystitis, Cholecystitis AcuteAdditional drugs used concurrently:
  • Tacrolimus
  • Methotrexate
  • Isoniazid (Dose Form: Peroral Agent.)
  • Alfarol
  • Allopurinol
  • Lasix (Doseform: Peroral Agent.)
  • Crestor
  • Flivas
The patient was hospitalized. Although Methycobal demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Pyelonephritis, may still occur.
Methycobal Side Effect Report#8010952-9
Cognitive Disorder, Speech Disorder, Malaise
This Cognitive Disorder problem was reported by a pharmacist from Japan. A 75-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Dec 03, 2011 this consumer started treatment with Methycobal (dosage: Unk). The following drugs were being taken at the same time:
  • Lyrica (25 Mg, 1x/day)
  • Aspirin (Unk)
  • Calcium Carbonate (Unk)
  • Promacta (Unk)
  • Cytotec (Unk)
  • Mucosil-10 (Unk)
  • Zolpidem (Unk)
  • Amoban (Unk)
When using Methycobal, the patient experienced the following unwanted symptoms/side effects: Cognitive Disorder, Speech Disorder, MalaiseAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Cognitive Disorder, may become evident only after a product is in use by the general population.
Methycobal Side Effect Report#7998544-9
Intra-abdominal Haemorrhage, Pyrexia, Platelet Count Decreased, Palmar-plantar Erythrodysaesthesia Syndrome, Liver Carcinoma Ruptured
This Intra-abdominal Haemorrhage side effect was reported by a physician from Japan. A 70-year-old male patient (weight:NA) experienced the following symptoms/conditions: neuropathy peripheral,bronchitis,hypoalbuminaemia,osteoporosis,cancer pain.The patient was prescribed Methycobal (drug dosage: Daily Dose 1500 ?g), which was initiated on
Jul 04, 2005. Concurrently used drugs:
  • Bisolvon (Daily Dose 12 Mg)
  • Livact (Daily Dose 12.45 G)
  • Glakay (Daily Dose 60 Mg)
  • Loxonin (60 Mg, Prn)
  • Nexavar (400 Mg, Qd)
  • Nexavar (400 Mg, Bid)
  • Aminoleban En (Daily Dose 50 G)
  • Halcion (Daily Dose .25 Mg)
.After starting to take Methycobal the consumer reported adverse symptoms, such as: Intra-abdominal Haemorrhage, Pyrexia, Platelet Count Decreased, Palmar-plantar Erythrodysaesthesia Syndrome, Liver Carcinoma RupturedThese side effects may potentially be related to Methycobal. The patient was hospitalized.
Methycobal Side Effect Report#7969247-1
Seronegative Arthritis
This is a report of a 73-year-old female patient (weight: NA) from Japan, suffering from the following health symptoms/conditions: diabetic neuropathy,type 2 diabetes mellitus,hypertension, who was treated with Methycobal (dosage: Administering For A Long Term, start time:
Jul 06, 2011), combined with:
  • Januvia
  • Atelec (10 Mg In Morning And 5mg In Evening-administering For A Long Term)
and developed a serious reaction and side effect(s): Seronegative Arthritis after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Methycobal treatment in female patients, resulting in Seronegative Arthritis side effect. The patient was hospitalized.
Methycobal Side Effect Report#7953039-3
Sick Sinus Syndrome, Atrial Fibrillation
This report suggests a potential Methycobal Sick Sinus Syndrome side effect(s) that can have serious consequences. A 70-year-old female patient (weight: NA) from Japan was diagnosed with the following symptoms/conditions: NA and used Methycobal (dosage: NA) starting
Feb 24, 2010. After starting Methycobal the patient began experiencing various side effects, including: Sick Sinus Syndrome, Atrial FibrillationAdditional drugs used concurrently:
  • Dianeal Low Calcium W/ Dextrose 1.5%
  • Pursennide
  • Calcium Carbonate
  • Bisoprolol Fumarate
  • Nitroderm
  • Rhythmy
  • Mucosta
  • Humulin 70/30
Although Methycobal demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Sick Sinus Syndrome, may still occur.
Methycobal Side Effect Report#7946873-7
Dementia, Neutrophil Count Decreased
This Dementia problem was reported by a physician from Japan. A male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Sep 12, 2011 this consumer started treatment with Methycobal (dosage: 500 Ug). The following drugs were being taken at the same time:
  • Amlodipine Maleate (5 Mg)
  • Urief (4 Mg)
  • Lansoprazole (15 Mg)
  • Afinitor (10 Mg Daily)
  • Afinitor (10 Mg Daily)
  • Interferon Alfa (6000000 Iu)
When using Methycobal, the patient experienced the following unwanted symptoms/side effects: Dementia, Neutrophil Count DecreasedAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Dementia, may become evident only after a product is in use by the general population.
Methycobal Side Effect Report#7944791-1
Interstitial Lung Disease
This Interstitial Lung Disease side effect was reported by a consumer or non-health professional from Japan. A 89-year-old female patient (weight:NA) experienced the following symptoms/conditions: diabetes mellitus.The patient was prescribed Methycobal (drug dosage: NA), which was initiated on
Oct 06, 2011. Concurrently used drugs:
  • Ketoprofen
  • Lasix
  • Aspirin
  • Irbesartan (Stop Date:24oct2011.)
  • Magnesium Sulfate
.After starting to take Methycobal the consumer reported adverse symptoms, such as: Interstitial Lung DiseaseThese side effects may potentially be related to Methycobal.
Methycobal Side Effect Report#7940773-4
Gastric Ulcer, Helicobacter Test Positive
This is a report of a 73-year-old male patient (weight: NA) from Japan, suffering from the following health symptoms/conditions: NA, who was treated with Methycobal (dosage: NA, start time:
Aug 22, 2011), combined with:
  • Celecoxib (200 Mg/day)
  • Bufferin (Unk)
  • Ludiomil
and developed a serious reaction and side effect(s): Gastric Ulcer, Helicobacter Test Positive after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Methycobal treatment in male patients, resulting in Gastric Ulcer side effect. The patient was hospitalized.


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The appearance of Methycobal 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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Note Your Observations

It is really important to keep track of your health symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • 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.

    Methycobal 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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