This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Zantac (Ranitidine) 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 (424)
Death (16)
Life Threatening Events (28)
Disability (29)
Reports by Reaction Type
Drug Ineffective (76),
Dyspepsia (39),
Malaise (35),
Dyspnoea (29),
Chronic Obstructive Pulmonary Disease (24),
Gastrooesophageal Reflux Disease (23),
Emphysema (23),
Nausea (22),
Amnesia (22),
Bedridden (21),
Chest Pain (19),
Erythema (18)
Below are a few examples of reports where side effects / adverse reactions may be related to Zantac (Ranitidine). For a complete list or a specific selection of reports, please use the links above.
Possible Zantac side effects in
Reported by a health professional (non-physician/pharmacist) from France on 2012-08-27
Patient:
Reactions: Neutropenia
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Desloratadine
Dosage: unk
Administration route: Oral
Indication: Eyelid Oedema
Start date: 2012-07-26
Zantac
Dosage: unk
Administration route: Oral
Indication: Product Used FOR Unknown Indication
Start date: 2012-07-26
Possible Zantac side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: female
Reactions: Drug Ineffective
Drug(s) suspected as cause:
Zantac
Possible Zantac side effects in male
Reported by a consumer/non-health professional from United States on 2012-08-27
Patient: male
Reactions: Dyspepsia
Drug(s) suspected as cause:
Zantac
Zantac
Dosage: 300 mg
Administration route: Oral
Indication: Dyspepsia
Start date: 2012-07-30
Possible Zantac side effects in
Reported by a consumer/non-health professional from United States on 2012-08-23
Patient:
Reactions: Bedridden, Emphysema, Off Label Use, Lung Disorder, Amnesia, Chronic Obstructive Pulmonary Disease
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Aspirin
Dosage: 81 mg, prn
Indication: Chest Pain
Atenolol
Dosage: 25 mg, qd
Administration route: Oral
Indication: Hypertension
Ativan
Dosage: 1 mg, tid
Administration route: Oral
Indication: Nervousness
Atropine Sulfate
Dosage: 2.5 mg, qid
Administration route: Oral
Indication: Crohn's Disease
Depakote
Dosage: 500 mg, bid
Administration route: Oral
Indication: Convulsion
Dilantin
Dosage: 300 mg, bid
Administration route: Oral
Indication: Convulsion
Furosemide
Dosage: 40 mg, bid
Administration route: Oral
Indication: Diuretic Therapy
Generlac
Dosage: 30 mg, prn
Indication: Crohn's Disease
Humulin R
Dosage: 24 units
Indication: Diabetes Mellitus
Imdur
Dosage: 30 mg, tid
Indication: Cardiac Disorder
Lantus
Dosage: 80 units in the moring and 90 units at night
Indication: Diabetes Mellitus
Lantus
Dosage: unk
Methocarbamol
Indication: Neuropathy Peripheral
Methocarbamol
Dosage: 750 mg, prn
Administration route: Oral
Indication: Muscle Spasms
Nitrostat
Dosage: 0.4 mg, prn
Indication: Chest Pain
Norvasc
Administration route: Oral
Indication: Palpitations
Potassium Chloride
Potassium Chloride (KV / 24)
Dosage: 8 meq, qd
Indication: Blood Potassium
Remeron
Dosage: 30 mg, qd
Administration route: Oral
Indication: Insomnia
Tylenol
Dosage: unk unk, qd
Indication: Migraine
Zantac
Dosage: 30 mg, tid
Administration route: Oral
Indication: Gastrooesophageal Reflux Disease
Zocor
Dosage: 40 mg, qd
Administration route: Oral
Possible Zantac side effects in 29 year old female
Reported by a lawyer from United States on 2012-08-23
Patient: 29 year old female
Reactions: Emotional Disorder
Drug(s) suspected as cause:
Flexeril
Dosage: 10 mg, 1x/day (at hour of sleep)
Administration route: Oral
Ibuprofen
Dosage: 600 mg, 3x/day
Administration route: Oral
Indication: Pain
Miralax
Dosage: unk
Topamax
Dosage: 100 mg, 3x/day
Administration route: Oral
Indication: Grand MAL Convulsion
Start date: 2005-01-01
End date: 2007-01-01
Topamax
Dosage: unk, twice daily
Administration route: Oral
Indication: Epilepsy
Start date: 2007-01-11
Topamax
Dosage: 200 mg, 1x/day
Administration route: Oral
Start date: 2007-01-16
End date: 2007-07-01
Zantac
Dosage: 150 mg, 2x/day
Administration route: Oral
Other drugs received by patient: Folic Acid
Possible Zantac side effects in male
Reported by a consumer/non-health professional from United States on 2012-08-22
Patient: male
Reactions: Dyspepsia
Drug(s) suspected as cause:
Zantac
Dosage: 150 mg
Administration route: Oral
Indication: Dyspepsia
Start date: 2012-08-15
End date: 2012-08-15
Zantac
Possible Zantac side effects in 67 year old female
Reported by a health professional (non-physician/pharmacist) from France on 2012-08-22
Patient: 67 year old female
Reactions: Fatigue, Nausea, Herpes Zoster
Drug(s) suspected as cause:
Ebastine
Dosage: 10 mg, unk
Indication: Faecaloma
Ebastine
Indication: Pruritus
Halaven
Dosage: unk
Indication: Faecaloma
Start date: 2012-06-19
Halaven
Dosage: 1.58 mg, unk
Indication: Pruritus
Start date: 2012-06-26
Loratadine
Indication: Pruritus
Loratadine
Indication: Faecaloma
Neulasta
Indication: Pruritus
Neulasta
Dosage: unk
Indication: Faecaloma
Solu-Medrol
Dosage: 20 mg, unk
Indication: Faecaloma
Start date: 2012-06-26
Solu-Medrol
Indication: Pruritus
Zantac
Indication: Pruritus
Zantac
Dosage: 50 mg, unk
Indication: Faecaloma
Start date: 2012-06-26
Zofran
Dosage: 8 mg, unk
Indication: Faecaloma
Start date: 2012-06-26
Zofran
Indication: Pruritus
Other drugs received by patient: Acebutolol; Nexium
Possible Zantac side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-22
Patient: female
Reactions: Dyspepsia
Drug(s) suspected as cause:
Zantac
Other drugs received by patient: Lisinopril
Possible Zantac side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-22
Patient:
Reactions: Bedridden, Emphysema, Amnesia, Chronic Obstructive Pulmonary Disease
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Aspirin
Atenolol
Administration route: Oral
Ativan
Administration route: Oral
Depakote
Administration route: Oral
Dilantin
Administration route: Oral
Furosemide
Administration route: Oral
Generlac
Humulin R
Isosorbide Mononitrate
Lantus
Dosage: 80 iu, qam
Lantus
Dosage: 90 df, qpm
Lomotil
Administration route: Oral
Methocarbamol
Administration route: Oral
Nitrostat
Norvasc
Administration route: Oral
Potassium Chloride
Remeron
Administration route: Oral
Tylenol W / Codeine NO. 3
Zantac
Zocor
Administration route: Oral
Possible Zantac side effects in female
Reported by a physician from France on 2012-08-22
Patient: female
Reactions: Respiratory Disorder, Malaise, Erythema
Adverse event resulted in: life threatening event
Drug(s) suspected as cause:
Methylprednisolone
Dosage: 120mg unknown
Indication: Premedication
Start date: 2012-05-18
End date: 2012-05-18
Plitican
Dosage: 50mg unknown
Indication: Premedication
Start date: 2012-05-18
End date: 2012-05-18
Polaramine
Dosage: 5mg unknown
Indication: Premedication
Start date: 2012-05-18
End date: 2012-05-18
Zantac
Dosage: 50mg unknown
Indication: Premedication
Start date: 2012-05-18
End date: 2012-05-18
Zofran
Dosage: 8mg per day
Indication: Premedication
Start date: 2012-05-18
End date: 2012-05-18
Other drugs received by patient: 5% Glucose; Taxol; Cisplatin
Possible Zantac side effects in female
Reported by a consumer/non-health professional from France on 2012-08-21
Patient: female
Reactions: Fatigue, Nausea, Herpes Zoster
Drug(s) suspected as cause:
Ebsatine
Indication: Faecaloma
Ebsatine
Indication: Pruritus
Halaven
Dosage: 1.58 mg/day
Start date: 2012-06-26
Halaven
Dosage: unk
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-19
Loratadine
Indication: Pruritus
Loratadine
Indication: Faecaloma
Neulasta
Dosage: unk
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-27
Solu-Medrol
Dosage: 20 mg/day
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-26
Zantac
Dosage: 50 mg/day
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-26
Zofran
Dosage: 8 mg/day
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-26
Other drugs received by patient: Acebutolol; Nexium
Possible Zantac side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-21
Patient: female
Reactions: Accidental Overdose
Drug(s) suspected as cause:
Zantac
Zantac
Administration route: Oral
Indication: Dyspepsia
Start date: 2012-08-14
End date: 2012-08-14
Possible Zantac side effects in female
Reported by a physician from France on 2012-08-20
Patient: female
Reactions: Chest Discomfort, Pruritus, Rash
Drug(s) suspected as cause:
Dexamethasone
Dosage: 8mg per day
Indication: Premedication
Start date: 2012-07-19
End date: 2012-07-19
Zantac
Indication: Premedication
Start date: 2012-07-19
End date: 2012-07-19
Other drugs received by patient: Epirubicin; Fluorouracil; Cyclophosphamide; Polaramine
Possible Zantac side effects in
Reported by a pharmacist from Japan on 2012-08-20
Patient:
Reactions: Dyspnoea, Blood Pressure Decreased, Shock
Drug(s) suspected as cause:
Zantac
Possible Zantac side effects in female
Reported by a consumer/non-health professional from Brazil on 2012-08-17
Patient: female
Reactions: Weight Decreased, Dyspnoea, Diabetes Mellitus, Osteoarthritis, Speech Disorder, Fatigue, Malaise, DRY Mouth, Insomnia, Blood Pressure Inadequately Controlled, Chest Pain, Blood Cholesterol Increased, Venous Occlusion
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Aspirin
Dosage: unk
Atorvastatin
Dosage: unk
Cardizem
Dosage: 60 mg, unk
Carvedilol
Dosage: unk
Clopidogrel
Diovan HCT
Dosage: 1 tablet (320 mg val/125 mg hct) twice a day
Indication: Hypertension
Enalapril Maleate
Dosage: unk
Losartan Potassium
Dosage: unk
Indication: Blood Pressure
Metformin Hydrochloride
Omeprazole
Dosage: unk
Sertraline Hydrochloride
Dosage: unk
Simvastatin
Dosage: unk
Topiramate
Dosage: unk
Zantac
Dosage: unk
Other drugs received by patient: Clonidine Hydrochloride
Possible Zantac side effects in female
Reported by a consumer/non-health professional from Brazil on 2012-08-17
Patient: female
Reactions: Weight Decreased, Dyspnoea, Diabetes Mellitus, Osteoarthritis, Speech Disorder, Fatigue, Malaise, Insomnia, DRY Mouth, Chest Pain, Blood Pressure Inadequately Controlled, Blood Cholesterol Increased, Venous Occlusion
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Aspirin
Dosage: unk
Atorvastatin
Dosage: unk
Cardizem
Dosage: 60 mg, unk
Carvedilol
Dosage: unk
Clopidogrel
Diovan HCT
Dosage: 1 tablet (320 mg val/125 mg hct) twice a day
Indication: Hypertension
Enalapril Maleate
Dosage: unk
Losartan Potassium
Dosage: unk
Indication: Blood Pressure
Metformin HCL
Omeprazole
Dosage: unk
Sertraline Hydrochloride
Dosage: unk
Simvastatin
Dosage: unk
Topiramate
Dosage: unk
Zantac
Dosage: unk
Other drugs received by patient: Clonidine Hydrochloride
Possible Zantac side effects in female
Reported by a consumer/non-health professional from Brazil on 2012-08-17
Patient: female
Reactions: Weight Decreased, Dyspnoea, Diabetes Mellitus, Osteoarthritis, Speech Disorder, Malaise, Fatigue, Insomnia, Chest Pain, Blood Pressure Inadequately Controlled, DRY Mouth, Blood Cholesterol Increased, Venous Occlusion
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Aspirin
Dosage: unk
Atorvastatin
Dosage: unk
Cardizem
Dosage: 60 mg, unk
Carvedilol
Dosage: unk
Clopidogrel
Diovan HCT
Dosage: 1 tablet (320 mg val/125 mg hct) twice a day
Indication: Hypertension
Enalapril Maleate
Dosage: unk
Losartan Potassium
Dosage: unk
Indication: Blood Pressure
Metformin Hydrochloride
Omeprazole
Dosage: unk
Sertraline Hydrochloride
Dosage: unk
Simvastatin
Dosage: unk
Topiramate
Dosage: unk
Zantac
Dosage: unk
Other drugs received by patient: Clonidine Hydrochloride
Possible Zantac side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-17
Patient: female
Reactions: Drug Ineffective
Drug(s) suspected as cause:
Zantac
Possible Zantac side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-17
Patient: female
Reactions: Increased Bronchial Secretion
Drug(s) suspected as cause:
Zantac
Dosage: 300 mg
Administration route: Oral
Indication: Gastrooesophageal Reflux Disease
Start date: 2012-06-01
Zantac
Indication: Cough
Possible Zantac side effects in female
Reported by a physician from France on 2012-08-17
Patient: female
Reactions: Tongue Oedema, Suffocation Feeling, LIP Oedema, Headache, Erythema, Paraesthesia, Anaphylactoid Reaction, Hypertension, Oxygen Saturation Decreased
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Methylprednisolone
Dosage: 80mg single dose
Indication: Premedication
Start date: 2012-07-11
End date: 2012-07-11
Zantac
Dosage: 50mg single dose
Indication: Premedication
Start date: 2012-07-11
End date: 2012-07-11
Other drugs received by patient: Kytril; Polaramine
Possible Zantac side effects in female
Reported by a physician from France on 2012-08-15
Patient: female
Reactions: Fatigue, Pruritus, Nausea, Faecaloma, Herpes Zoster
Drug(s) suspected as cause:
Ebastine
Indication: Pruritus
Halaven
Dosage: 1.58mg per day
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-26
Loratadine
Indication: Pruritus
Neulasta
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-27
Solu-Medrol
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-26
Zantac
Dosage: 50mg per day
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-26
Zofran
Dosage: 8mg per day
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-26
Other drugs received by patient: Cyclophosphamide; Fluorouracil; Methotrexate; Nexium; Bevacizumab; Doxorubicin HCL; Acebutolol
Possible Zantac side effects in 1 year old
Reported by a consumer/non-health professional from United States on 2012-08-15
Patient: 1 year old
Reactions: Accidental Exposure
Drug(s) suspected as cause:
Zantac
Possible Zantac side effects in
Reported by a lawyer from United States on 2012-08-15
Patient:
Reactions: Atrial Septal Defect, Patent Ductus Arteriosus, Ventricular Septal Defect, Maternal Exposure Timing Unspecified, Transposition of THE Great Vessels
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Flexeril
Dosage: 10 mg, unk
Ibuprofen
Dosage: 600 mg, 3x/day
Miralax
Dosage: unk
Topiramate
Dosage: 100 mg, 3x/day
Start date: 2007-01-16
End date: 2007-07-01
Zantac
Dosage: 150 mg, 2x/day
Other drugs received by patient: Folic Acid
Possible Zantac side effects in male
Reported by a consumer/non-health professional from United States on 2012-08-14
Patient: male
Reactions: Dyspepsia
Drug(s) suspected as cause:
Zantac
Possible Zantac side effects in 89 year old male
Reported by a consumer/non-health professional from United States on 2012-08-13
Patient: 89 year old male
Reactions: Pruritus
Drug(s) suspected as cause:
Zantac
Other drugs received by patient: Spiriva; Insulin
Possible Zantac side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-10
Patient: female
Reactions: Disturbance in Attention, Memory Impairment
Drug(s) suspected as cause:
Zantac
Zantac
Dosage: 150 mg
Administration route: Oral
Indication: Dyspepsia
Start date: 2011-08-01
End date: 2012-07-01
Other drugs received by patient: Lipitor
Possible Zantac side effects in 78 year old male
Reported by a consumer/non-health professional from United States on 2012-08-10
Patient: 78 year old male
Reactions: Musculoskeletal Pain, Musculoskeletal Chest Pain
Drug(s) suspected as cause:
Zantac
Other drugs received by patient: Magnesium Hydroxide TAB
Possible Zantac side effects in female
Reported by a physician from United States on 2012-08-10
Patient: female
Reactions: LOW Birth Weight Baby, Foetal Exposure During Pregnancy, Drug Withdrawal Syndrome Neonatal
Drug(s) suspected as cause:
Multi-Vitamins
Dosage: unknown dosage
Indication: Pregnancy
End date: 2012-07-27
Phenergan HCL
Dosage: prn - as needed dosage
Indication: Nausea
End date: 2012-07-27
Subutex
Indication: Drug Dependence
Start date: 2011-10-01
End date: 2012-07-27
Zantac
Indication: Gastrooesophageal Reflux Disease
End date: 2012-07-27
Possible Zantac side effects in 71 year old female
Reported by a health professional (non-physician/pharmacist) from Japan on 2012-08-09
Patient: 71 year old female
Reactions: Palpitations, Nausea, Cold Sweat, Shock
Drug(s) suspected as cause:
Decadron Phosphate
Dosage: .3mg two times per week
Start date: 2012-06-07
End date: 2012-06-07
Decadron Phosphate
Dosage: .3mg two times per week
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-21
End date: 2012-06-21
Decadron Phosphate
Dosage: .3mg two times per week
Start date: 2012-07-19
End date: 2012-07-19
Decadron Phosphate
Dosage: .3mg two times per week
Zantac
Dosage: 50mg two times per week
Start date: 2012-07-19
End date: 2012-07-19
Zantac
Dosage: 50mg two times per week
Zantac
Dosage: 50mg two times per week
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-07
End date: 2012-06-07
Zantac
Dosage: 50mg two times per week
Start date: 2012-06-21
End date: 2012-06-21
Other drugs received by patient: Celestamine TAB; Carboplatin; Paclitaxel; Ramosetron Hydrochloride
Possible Zantac side effects in
Reported by a lawyer from United States on 2012-08-09
Patient:
Reactions: Atrial Septal Defect, Patent Ductus Arteriosus, Ventricular Septal Defect, Transposition of THE Great Vessels
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Flexeril
Indication: Foetal Exposure During Pregnancy
Ibuprofen
Indication: Foetal Exposure During Pregnancy
Ibuprofen
Miralax
Indication: Foetal Exposure During Pregnancy
Topamax
Indication: Foetal Exposure During Pregnancy
Zantac
Indication: Foetal Exposure During Pregnancy
Other drugs received by patient: Folic Acid
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