This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Calan (Verapamil) and submitted to the FDA during the sample period of about a year. The information is not vetted and should not be considered as verified clinical evidence.
Reports by Event Outcome
All Cases (155)
Death (38)
Disability (3)
Reports by Reaction Type
Completed Suicide (31),
Intentional Overdose (15),
Headache (11),
Somnolence (11),
Medication Error (11),
Dizziness (10),
Malaise (9),
Migraine (9),
Drug Ineffective (8),
Nausea (8),
Blood Pressure Fluctuation (8),
Feeling Abnormal (8)
Below are a few examples of reports where side effects / adverse reactions may be related to Calan (Verapamil). For a complete list or a specific selection of reports, please use the links above.
Possible Calan side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Dysgeusia
Drug(s) suspected as cause:
Calan
Celebrex
Dosage: unk
Verapamil HCL
Dosage: unk
Possible Calan side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-23
Patient: female
Reactions: Dyspnoea, Dyskinesia, Erythema
Drug(s) suspected as cause:
Calan
Possible Calan side effects in male
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-22
Patient: male
Reactions: Lung Neoplasm Malignant
Drug(s) suspected as cause:
Calan
Calan SR
Lipitor
Possible Calan side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-09
Patient: female
Reactions: Spinal Disorder
Drug(s) suspected as cause:
Calan
Possible Calan side effects in
Reported by a individual with unspecified qualification from United States on 2012-07-26
Patient:
Reactions: Nephrolithiasis, Hypersensitivity, Chest Pain, Drug Hypersensitivity, Urticaria Chronic, Cardiac Disorder
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Calan
Dosage: 120 mg, qd
Lyrica
Dosage: 75 mg, unk
Lyrica
Dosage: 50 mg, unk
Meclizine HCL
Dosage: 25 mg, prn
Xanax
Zetia
Dosage: 10 mg, qd
Administration route: Oral
Zoloft
Other drugs received by patient: Allegra; Coumadin; Anusol (Bismuth Subgallate (+) Pramoxine Hydrochloride); Calcium (Unspecified); Bystolic; MK-9278; Vitamin B Complex CAP; Plaquenil; Macrobid (Clarithromycin); Syncol; Avapro; Cholecalciferol; Ascorbic Acid; Maxzide
Possible Calan side effects in male
Reported by a consumer/non-health professional from United States on 2012-07-23
Patient: male
Reactions: Cardiac Disorder
Drug(s) suspected as cause:
Aldactazide
Dosage: unk
Calan
Dosage: unk
Calan SR
Dosage: unk
Possible Calan side effects in male
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-11
Patient: male, weighing 72.6 kg (159.7 pounds)
Reactions: Oesophageal Disorder, Gastrooesophageal Reflux Disease, Eructation
Drug(s) suspected as cause:
Calan
Dosage: 240 mg, 1x/day
Administration route: Oral
Indication: Hypertension
Cardura
Dosage: 2 mg, unk
Administration route: Oral
Cardura
Dosage: 1 mg, unk
Administration route: Oral
Indication: Hypertension
Possible Calan side effects in male
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-11
Patient: male, weighing 72.6 kg (159.7 pounds)
Reactions: Oesophageal Disorder, Gastrooesophageal Reflux Disease, Eructation
Drug(s) suspected as cause:
Calan
Dosage: 240 mg, daily
Administration route: Oral
Indication: Hypertension
Cardura
Dosage: 2 mg, a day
Administration route: Oral
Cardura
Dosage: 1 mg, a day
Administration route: Oral
Indication: Hypertension
Possible Calan side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-11
Patient: female, weighing 65.0 kg (143.0 pounds)
Reactions: Dizziness
Drug(s) suspected as cause:
Calan
Dosage: 240 mg, unk
Administration route: Oral
Start date: 2008-01-16
Calan
Dosage: 180 mg
Administration route: Oral
Indication: Sinus Tachycardia
Start date: 2007-01-12
Calan
Dosage: 120 mg
Administration route: Oral
Start date: 2008-03-11
Other drugs received by patient: Coumadin; Reglan; Lipitor; Prevacid; Vesicare
Possible Calan side effects in male
Reported by a physician from United States on 2012-07-11
Patient: male, weighing 125.0 kg (275.0 pounds)
Reactions: Drug Ineffective, Erectile Dysfunction
Drug(s) suspected as cause:
Calan
Dosage: 240 mg, 2x/day
Administration route: Oral
Indication: Hypertension
Cardura
Dosage: 4 mg, qd
Administration route: Oral
Cardura
Dosage: 1 mg, qd
Administration route: Oral
Indication: Hypertension
Trazodone HCL
Dosage: daily
Administration route: Oral
Indication: Depression
Start date: 1998-01-01
Viagra
Dosage: 50 mg-100 mg, as needed
Administration route: Oral
Indication: Erectile Dysfunction
Start date: 1998-01-01
Other drugs received by patient: Ventolin; Flovent
Possible Calan side effects in female
Reported by a physician from United States on 2012-07-11
Patient: female, weighing 65.0 kg (143.0 pounds)
Reactions: Heart Rate Increased, Dizziness
Drug(s) suspected as cause:
Calan
Dosage: 240 mg, daily
Administration route: Oral
Indication: Sinus Tachycardia
Start date: 2008-01-16
Calan
Dosage: 180 mg, unk
Administration route: Oral
Indication: Hypertension
Start date: 2007-01-12
Calan
Dosage: 120 mg, daily
Administration route: Oral
Indication: Heart Rate Increased
Start date: 2008-03-11
Other drugs received by patient: Coumadin; Prevacid; Reglan; Lipitor; Vesicare
Possible Calan side effects in 47 year old male
Reported by a physician from United States on 2012-07-11
Patient: 47 year old male
Reactions: Drug Screen False Positive
Drug(s) suspected as cause:
Calan
Dosage: 180 mg, 1x/day
Administration route: Oral
Indication: Hypertension
Zoloft
Dosage: 100 mg, 1x/day
Administration route: Oral
Indication: Migraine
End date: 1995-10-01
Zoloft
Indication: Depression
Other drugs received by patient: Hydrochlorothiazide
Possible Calan side effects in female
Reported by a physician from United States on 2012-07-11
Patient: female
Reactions: Migraine, Hypertension
Drug(s) suspected as cause:
Calan
Dosage: 240 mg, once daily
Administration route: Oral
Indication: Blood Pressure Abnormal
Calan
Indication: Migraine
Calan
Indication: Cerebrovascular Accident
Possible Calan side effects in female
Reported by a consumer/non-health professional from United States on 2012-07-10
Patient: female, weighing 60.0 kg (132.0 pounds)
Reactions: Pneumonia, Bronchitis
Drug(s) suspected as cause:
Calan
Other drugs received by patient: Lyrica; Nexium; Toprol-XL; Carisoprodol
Possible Calan side effects in female
Reported by a consumer/non-health professional from United States on 2012-07-10
Patient: female
Reactions: Malaise, Gait Disturbance, Somnolence
Drug(s) suspected as cause:
Calan
Possible Calan side effects in male
Reported by a consumer/non-health professional from United States on 2012-07-10
Patient: male, weighing 111.0 kg (244.2 pounds)
Reactions: Arthropathy
Drug(s) suspected as cause:
Calan
Other drugs received by patient: Albuterol; Lisinopril; Metformin; Prevacid
Possible Calan side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-10
Patient: female
Reactions: Syncope, Balance Disorder, Presyncope, Visual Acuity Reduced, Unevaluable Event, Fall, Arrhythmia
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Calan
Indication: Ill-Defined Disorder
Lasix
Indication: Ill-Defined Disorder
Rezulin
Dosage: unk
Administration route: Oral
Indication: Type 1 Diabetes Mellitus
Start date: 1999-09-27
Zestril
Indication: Ill-Defined Disorder
Other drugs received by patient: Zyloprim; Proventil / OLD Form /; Potassium Chloride; Ticlid
Possible Calan side effects in female
Reported by a consumer/non-health professional from United States on 2012-07-10
Patient: female, weighing 61.0 kg (134.2 pounds)
Reactions: Knee Arthroplasty, Blood Pressure Decreased, Loss of Consciousness
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Calan
Dosage: 120 mg, 1x/day
Administration route: Oral
Indication: Mitral Valve Prolapse
Verapamil HCL
Dosage: unk
End date: 1996-01-01
Other drugs received by patient: Hyoscyamine; Amitriptyline; Singulair; Robaxin
Possible Calan side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-10
Patient: female
Reactions: Malaise, Gait Disturbance, Somnolence
Drug(s) suspected as cause:
Calan
Possible Calan side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-10
Patient: female, weighing 61.0 kg (134.2 pounds)
Reactions: Knee Operation, Blood Pressure Decreased, Loss of Consciousness
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Calan
Dosage: 120 mg, qd
Administration route: Oral
Calan
Dosage: 120 mg, at night
Indication: Mitral Valve Prolapse
Verapamil
Dosage: unk
End date: 1996-01-01
Other drugs received by patient: Robaxin; Hyoscyamine; Singulair; Amitriptyline
Possible Calan side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-10
Patient: female
Reactions: Syncope, Balance Disorder, Presyncope, Visual Acuity Reduced, Fall, Arrhythmia
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Calan
Dosage: daily
Indication: Ill-Defined Disorder
Lasix
Dosage: daily
Indication: Ill-Defined Disorder
Rezulin
Dosage: daily
Administration route: Oral
Indication: Type 1 Diabetes Mellitus
Start date: 1999-09-27
Zestril
Dosage: daily
Indication: Ill-Defined Disorder
Other drugs received by patient: Ticlid; Potassium Chloride; Zyloprim; Proventil
Possible Calan side effects in male
Reported by a consumer/non-health professional from United States on 2012-07-10
Patient: male, weighing 104.0 kg (228.8 pounds)
Reactions: Cardiac Pacemaker Insertion, Disability
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Calan
Dosage: unk
Indication: Cardiac Disorder
Start date: 2004-01-01
Zoloft
Indication: Personality Disorder
Zoloft
Dosage: unk
Indication: Anxiety
Start date: 2004-01-01
Other drugs received by patient: Lopressor; Lotensin; Lanoxin; Cordarone
Possible Calan side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-09
Patient: female
Reactions: Inappropriate Schedule of Drug Administration, Medication Error, Reaction To Drug Excipients, Oropharyngeal Pain, Hypertension
Drug(s) suspected as cause:
Calan
Possible Calan side effects in female
Reported by a consumer/non-health professional from United States on 2012-07-09
Patient: female
Reactions: Inappropriate Schedule of Drug Administration, Oropharyngeal Pain, Reaction To Drug Excipients, Hypertension
Drug(s) suspected as cause:
Calan
Possible Calan side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-06
Patient: female, weighing 58.0 kg (127.7 pounds)
Reactions: Dyspnoea, Medication Error, Blood Pressure Fluctuation
Drug(s) suspected as cause:
Calan
Other drugs received by patient: Calcium; Tenormin; Multi-Vitamins; Premarin
Possible Calan side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-06
Patient: female
Reactions: Constipation, Myocardial Infarction
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Calan
Possible Calan side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-06
Patient: female
Reactions: Somnolence
Drug(s) suspected as cause:
Calan
Dosage: 120 mg, unk
Indication: Hypertension
Cozaar
Dosage: unk
Possible Calan side effects in female
Reported by a consumer/non-health professional from United States on 2012-07-05
Patient: female
Reactions: Myocardial Infarction, Constipation
Drug(s) suspected as cause:
Calan
Possible Calan side effects in female
Reported by a physician from United States on 2012-07-05
Patient: female
Reactions: Presyncope, Drug Dispensing Error
Drug(s) suspected as cause:
Calan
Possible Calan side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-05
Patient: female, weighing 68.0 kg (149.6 pounds)
Reactions: Abdominal Discomfort, Weight Increased, Sleep Disorder, Diarrhoea, Hernia
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Calan
Other drugs received by patient: Catapres; Benicar; Nexium; Insulin; Lyrica; Aliskiren; Potassium; Prednisone; Amaryl; Multi-Vitamins; Fish OIL; Ibandronate Sodium; Levoxyl; Ascorbic Acid; Acetylsalicylic Acid; Zetia; Methotrexate Sodium
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