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This is an index of reports of adverse events (side effects, adverse reactions, etc.) related to Clarithromycin. Click on the relevant link below to view a selection of reports according to the event's seriousness level and/or the nature of the side effect / adverse reaction. Or scroll down to view a sample of recent reports further on this page.
Our database includes reports from Jan 2007 to Dec 2007. The information is not vetted and should not be cosidered as verified clinical evidence.
All cases (318)
Cases resulting in a serious event (312)
Cases resulting in death (37)
Cases resulting in life threatening events (41)
Cases resulting in hospitalization (177)
Cases resulting in disability (25)
Cases resulting in other serious reactions (129)
Below is a sample of reports where side effects / adverse reactions may be related to Clarithromycin. For a complete list and/or a specific selection of reports, please use the links in the index above.
Adverse event in 84 year old female receiving Clarithromycin
Reported by a physician from United States on 2007-10-31
Patient: 84 year old female, weighing 43.1 kg (94.8 pounds)
Adverse reactions / side effects: Electrocardiogram QT Prolonged, Hyperkalaemia, Tachycardia, Drug Interaction, Chronic Obstructive Pulmonary Disease, Liver Function Test Abnormal, Pleural Effusion, Circulatory Collapse, Renal Failure Acute, Dyspnoea, Pneumonia, Supraventricular Extrasystoles, Hypotension, Lung Neoplasm, Blood Amylase Increased, Bradycardia, Lipase Increased, Hypertension, Electrocardiogram ST Segment Elevation
Adverse event resulted in: life threatening event
Suspect drug(s):
Clarithromycin
Dosage: 500mg bid po
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-10-16
End date: 2007-10-21
Moxifloxacin 400mg UNK
Dosage: 400mg one iv (one dose)
Indication: Pneumonia
Start date: 2007-10-22
End date: 2007-10-22
Other drugs received by patient: Omeprazole; Varenicline Tartrate; Irbesartan; Atenolol; Furosemide; Felodipine; Aspirin; Atorvastatin Calcium; Albuterol; Salmeterol / Fluticasone; Tiotropium Bromide; Sodium Chloride; Guaiafenesin / Dextomet; Gabapentin; Olopatadine
Adverse event in 76 year old male receiving Clarithromycin
Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2007-10-31
Patient: 76 year old male, weighing 70.0 kg (154.0 pounds)
Adverse reactions / side effects: Clostridium Difficile Sepsis
Adverse event resulted in: death, life threatening event
Suspect drug(s):
Carboplatin
Indication: Small Cell Lung Cancer Stage Unspecified
Start date: 2006-01-25
End date: 2006-01-25
Ciprofloxacin
Dosage: total daily dose: 500 mg
Clarithromycin
Dosage: total daily dose: 500 mg
Etoposide
Indication: Small Cell Lung Cancer Stage Unspecified
Start date: 2006-01-25
End date: 2006-01-27
Other drugs received by patient: Bisoprolol Fumarate; Amoxicillin + Clavulanate Potassium; Dexamethasone 0.5mg TAB; Domperidone; Omeprazole
Adverse event in 58 year old male receiving Clarithromycin
Reported by a physician from United Kingdom on 2007-10-30
Patient: 58 year old male
Adverse reactions / side effects: Anxiety, Pressure of Speech, Psychomotor Hyperactivity, Drug Interaction, Mental Disorder, Homicidal Ideation, Suicidal Ideation
Adverse event resulted in: hospitalization
Suspect drug(s):
Clarithromycin
Dosage: 500 mg, bid, oral
Administration route: Oral
Indication: Lower Respiratory Tract Infection
Nevirapine
Dosage: 200 mg, bid, oral
Administration route: Oral
Indication: HIV Antibody Positive
Other drugs received by patient: Zidovudine; Didanosine (Didanosine, Didoxyinosine); Simvastatin
Adverse event in 76 year old male receiving Clarithromycin
Reported by a pharmacist from United Kingdom on 2007-10-30
Patient: 76 year old male, weighing 70.0 kg (154.0 pounds)
Adverse reactions / side effects: Neutropenic Sepsis, Clostridial Infection
Adverse event resulted in: death
Suspect drug(s):
Carboplatin
Dosage: units not specified
Indication: Small Cell Lung Cancer Stage Unspecified
Start date: 2006-01-25
End date: 2006-01-25
Carboplatin
Ciprofloxacin
Indication: Drug USE FOR Unknown Indication
Clarithromycin
Indication: Drug USE FOR Unknown Indication
Etoposide
Dosage: units not specified
Indication: Small Cell Lung Cancer Stage Unspecified
Start date: 2006-01-25
End date: 2006-01-27
Etoposide
Other drugs received by patient: Bisoprolol Fumarate; Omeprazole; Dexamethasone 0.5mg TAB; Domperidone; Amoxicillin + Clavulanate Potassium
Adverse event in 78 year old female receiving Clarithromycin
Reported by a physician from Japan on 2007-10-29
Patient: 78 year old female
Adverse reactions / side effects: Renal Impairment, Hyperkalaemia, Hyperparathyroidism Primary, Drug Hypersensitivity, Blood Calcium Increased, Blood Parathyroid Hormone Increased
Adverse event resulted in: hospitalization
Suspect drug(s):
Clarithromycin
Dosage: 200mg twice per day
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-10
End date: 2007-07-13
Rabeprazole Sodium
Dosage: 10mg see dosage text
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-04-14
End date: 2007-07-13
Sawacillin
Dosage: 750mg twice per day
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-10
End date: 2007-07-13
Other drugs received by patient: Magmitt; Osteluc; Marzulene-S; Famotidine
Adverse event in 78 year old female receiving Clarithromycin
Reported by a individual with unspecified qualification from Japan on 2007-10-29
Patient: 78 year old female
Adverse reactions / side effects: Renal Impairment, Hyperkalaemia, Hyperparathyroidism Primary, Electrocardiogram Abnormal, Helicobacter Infection, Parathyroid Disorder, Hypercalcaemia, Blood Parathyroid Hormone Increased
Adverse event resulted in: hospitalization
Suspect drug(s):
Amoxicillin Trihydrate
Dosage: 1500 mg (750 mg,2 in 1 d), per oral
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-10
End date: 2007-07-13
Clarithromycin
Dosage: 400 mg (200 mg,2 in 1 d), per oral
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-10
End date: 2007-07-13
Lansoprazole
Dosage: 30 mg (15 mg,2 in 1 d), per oral
Administration route: Oral
Indication: Gastric Ulcer
Start date: 2007-03-21
End date: 2007-04-13
Rabeprazole Sodium
Dosage: see image
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-04-14
End date: 2007-04-18
Rabeprazole Sodium
Dosage: see image
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-02
End date: 2007-07-09
Rabeprazole Sodium
Dosage: see image
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-10
End date: 2007-07-13
Other drugs received by patient: Magnesium Oxide (Preparation FOR Oral Use(nos)); Etodolac; (Azulene Sulfonate Sodium / L-Glutamine) (Preparation FOR Oral Use(nos)); Famotidine
Adverse event in 48 year old female receiving Clarithromycin
Reported by a health professional (non-physician/pharmacist) from France on 2007-10-29
Patient: 48 year old female
Adverse reactions / side effects: Rhabdomyolysis, Drug Interaction, Mycobacterium Avium Complex Infection, Renal Failure Acute
Adverse event resulted in: hospitalization
Suspect drug(s):
Clarithromycin
Administration route: Oral
Indication: Mycobacterium Avium Complex Infection
Zocor
Administration route: Oral
Indication: Hypercholesterolaemia
Other drugs received by patient: Darbepoetin Alfa; Allopurinol; Aspirin Lysine; Sodium Polystyrene Sulfonate; Betaxolol Hydrochloride; Ramipril; Cyanocobalamin; Ethambutol Hydrochloride; Rifabutin
Adverse event in female receiving Clarithromycin
Reported by a pharmacist from Australia on 2007-10-26
Patient: female
Adverse reactions / side effects: Angina Pectoris
Adverse event resulted in: hospitalization
Suspect drug(s):
Amoxicillin
Administration route: Oral
Clarithromycin
Administration route: Oral
Nexium
Administration route: Oral
Adverse event in 78 year old female receiving Clarithromycin
Reported by a individual with unspecified qualification from Japan on 2007-10-25
Patient: 78 year old female
Adverse reactions / side effects: Renal Impairment, Hyperkalaemia, Hyperparathyroidism, Electrocardiogram Abnormal, Parathyroid Disorder, Hypercalcaemia, Blood Parathyroid Hormone Increased
Adverse event resulted in: hospitalization
Suspect drug(s):
Amoxicillin Trihydrate
Dosage: 1500 mg (750 mg, 2 in 1 d) per oral
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-10
End date: 2007-07-13
Clarithromycin
Dosage: 400 mg (200 mg, 2 in 1 d) per oral
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-10
End date: 2007-07-13
Lansoprazole
Dosage: 30 mg (15 mg, 2 in 1 d) per oral
Administration route: Oral
Indication: Gastric Ulcer
Start date: 2007-03-21
End date: 2007-04-13
Rabeprazole Sodium
Dosage: 10 mg (10 mg, 1 in 1 d) per oral, 20 mg (10 mg, 2 in 1 d) per oral
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-04-14
End date: 2007-04-18
Rabeprazole Sodium
Dosage: 10 mg (10 mg, 1 in 1 d) per oral, 20 mg (10 mg, 2 in 1 d) per oral
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-02
End date: 2007-07-09
Rabeprazole Sodium
Dosage: 10 mg (10 mg, 1 in 1 d) per oral, 20 mg (10 mg, 2 in 1 d) per oral
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-10
End date: 2007-07-13
Other drugs received by patient: Magnesium Oxide (Preparation FOR Oral USE (Nos) ); Etodolac; Azulene Sulfonate Sodium / L-Glutamine (Preparation FOR Oral USE (Nos) ); Famotidine
Adverse event in 15 year old female receiving Clarithromycin
Reported by a individual with unspecified qualification from Belgium on 2007-10-25
Patient: 15 year old female
Adverse reactions / side effects: Renal Disorder, Vomiting, Drug Level Increased, Drug Interaction, Convulsion, Diarrhoea, Dehydration, Oliguria, Liver Transplant Rejection
Suspect drug(s):
Clarithromycin
Dosage: oral
Administration route: Oral
Indication: Helicobacter Gastritis
Tacrolimus
Indication: Immunosuppression
Other drugs received by patient: Amoxicillin; Omeprazole
Adverse event in 15 year old female receiving Clarithromycin
Reported by a individual with unspecified qualification from Belgium on 2007-10-25
Patient: 15 year old female
Adverse reactions / side effects: Renal Disorder, Vomiting, Drug Level Increased, Drug Interaction, Convulsion, Diarrhoea, Dehydration, Oliguria
Suspect drug(s):
Clarithromycin
Dosage: oral
Administration route: Oral
Indication: Helicobacter Gastritis
Tacrolimus
Indication: Immunosuppression
Other drugs received by patient: Amoxicillin; Omeprazole
Adverse event in 58 year old male receiving Clarithromycin
Reported by a individual with unspecified qualification from United Kingdom on 2007-10-24
Patient: 58 year old male
Adverse reactions / side effects: Anxiety, Pressure of Speech, Psychomotor Hyperactivity, Psychiatric Symptom, Disturbance in Attention, Mental Disorder, Drug Interaction, Homicidal Ideation, Suicidal Ideation
Adverse event resulted in: hospitalization
Suspect drug(s):
Clarithromycin
Dosage: 1000 mg (500 mg, 2 in 1 d)
Didanosine
Dosage: 400 mg (200 mg, 2 in 1 d)
Administration route: Oral
Indication: HIV Infection
Nevirapine
Dosage: 400 mg (200 mg, 2 in 1 d)
Administration route: Oral
Indication: HIV Infection
Simvastatin
Dosage: 20 mg (20 mg, 1 in 1 d)
Administration route: Oral
Indication: Hypercholesterolaemia
Zidovudine
Dosage: 500 mg (250 mg, 2 in 1d)
Administration route: Oral
Indication: HIV Infection
Adverse event in 28 year old female receiving Clarithromycin
Reported by a individual with unspecified qualification from Japan on 2007-10-24
Patient: 28 year old female
Adverse reactions / side effects: Dystonia, Drug Interaction
Suspect drug(s):
Clarithromycin
Other drugs received by patient possibly interacting with the suspect drug: Perospirone Hydrochloride Hydrate
Indication: Mental Disorder
Adverse event in 79 year old female receiving Clarithromycin
Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2007-10-23
Patient: 79 year old female
Adverse reactions / side effects: Dehydration, Dizziness, Myopathy
Adverse event resulted in: hospitalization
Suspect drug(s):
Clarithromycin
Administration route: Oral
Indication: Lower Respiratory Tract Infection
Start date: 2006-01-12
End date: 2006-01-19
Erythromycin
Administration route: Oral
Indication: Lower Respiratory Tract Infection
Start date: 2006-01-02
End date: 2006-01-09
Zocor
Administration route: Oral
Indication: Blood Cholesterol Increased
Start date: 2001-01-01
End date: 2006-01-19
Zocor
Administration route: Oral
Indication: Myocardial Infarction
Start date: 2001-01-01
End date: 2006-01-19
Other drugs received by patient: Adcal-D3; Aspirin; Furosemide; Imdur; Prinivil
Adverse event in 58 year old male receiving Clarithromycin
Reported by a individual with unspecified qualification from United Kingdom on 2007-10-23
Patient: 58 year old male
Adverse reactions / side effects: Psychomotor Hyperactivity, Drug Interaction, Homicidal Ideation, Suicidal Ideation
Adverse event resulted in: hospitalization
Suspect drug(s):
Clarithromycin
Dosage: 500mg twice daily oral
Administration route: Oral
Indication: Bacterial Infection
Clarithromycin
Dosage: 500mg twice daily oral
Administration route: Oral
Indication: Lower Respiratory Tract Infection
Didanosine (Didanosine) (Didanosine)
Dosage: 200mg twice daily oral
Administration route: Oral
Indication: HIV Infection
Nevirapine (Nevirapine) (Nevirapine)
Dosage: 200mg twice daily oral
Administration route: Oral
Indication: HIV Infection
Zidovudine
Dosage: 250mg twice daily oral
Administration route: Oral
Indication: HIV Infection
Other drugs received by patient: Simvastatin
Adverse event in 41 year old male receiving Clarithromycin
Reported by a physician from Japan on 2007-10-22
Patient: 41 year old male
Adverse reactions / side effects: Hepatic Function Abnormal, Immune Reconstitution Syndrome, Visual Field Defect, Atypical Mycobacterial Infection, Kaposi's Sarcoma, Lymphoma, Progressive Multifocal Leukoencephalopathy
Suspect drug(s):
Clarithromycin
Administration route: Oral
Start date: 2006-09-25
End date: 2006-10-02
Clarithromycin
Administration route: Oral
Start date: 2006-10-10
End date: 2006-12-11
Esanbutol
Administration route: Oral
Start date: 2006-09-25
Reyataz
Administration route: Oral
Indication: HIV Infection
Start date: 2006-09-05
Rifabutin
Start date: 2006-10-03
End date: 2007-03-31
Valixa
Administration route: Oral
Indication: Cytomegalovirus Oesophagitis
Start date: 2006-07-07
End date: 2006-07-13
Zithromax
Administration route: Oral
Start date: 2006-10-03
End date: 2006-10-09
Zithromax
Administration route: Oral
Start date: 2006-12-12
End date: 2007-01-22
Other drugs received by patient: Baktar; Baktar; Diflucan; Fungizone; Fungizone; Norvir; Epzicom; Rifadin; Doxorubicin HCL; Doxorubicin Hydrochloride
Adverse event in 58 year old male receiving Clarithromycin
Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2007-10-19
Patient: 58 year old male
Adverse reactions / side effects: Psychomotor Hyperactivity, Psychiatric Symptom, Drug Interaction, Homicidal Ideation, Suicidal Ideation
Adverse event resulted in: hospitalization
Suspect drug(s):
Clarithromycin
Administration route: Oral
Indication: Lower Respiratory Tract Infection
Didanosine
Administration route: Oral
Indication: HIV Infection
Nevirapine
Administration route: Oral
Indication: HIV Infection
Zidovudine
Administration route: Oral
Indication: HIV Infection
Zocor
Administration route: Oral
Indication: Hypercholesterolaemia
Adverse event in 3 year old male receiving Clarithromycin
Reported by a individual with unspecified qualification on 2007-10-19
Patient: 3 year old male
Adverse reactions / side effects: Drug Ineffective
Adverse event resulted in: life threatening event, hospitalization
Suspect drug(s):
Albuterol
Indication: Status Asthmaticus
Albuterol
Dosage: 0.2 mcg/kg/min up to 2 mcg/kg/min
Aminophylline
Indication: Status Asthmaticus
Cefotaxime Sodium
Indication: Status Asthmaticus
Clarithromycin
Indication: Status Asthmaticus
Ipratropium Bromide
Indication: Status Asthmaticus
Magnesium Sulfate
Dosage: 40 mg/kg
Indication: Status Asthmaticus
Methylprednisolone
Dosage: 4 mg/kg
Indication: Status Asthmaticus
Adverse event in 58 year old male receiving Clarithromycin
Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2007-10-18
Patient: 58 year old male
Adverse reactions / side effects: Psychomotor Hyperactivity, Psychiatric Symptom, Drug Interaction, Homicidal Ideation, Suicidal Ideation
Adverse event resulted in: hospitalization
Suspect drug(s):
Clarithromycin
Administration route: Oral
Indication: Lower Respiratory Tract Infection
Didanosine
Administration route: Oral
Indication: HIV Infection
Nevirapine
Administration route: Oral
Indication: HIV Infection
Zidovudine
Administration route: Oral
Indication: HIV Infection
Zocor
Administration route: Oral
Indication: Hypercholesterolaemia
Adverse event in 62 year old female receiving Clarithromycin
Reported by a individual with unspecified qualification from United Kingdom on 2007-10-18
Patient: 62 year old female
Adverse reactions / side effects: Eye Haemorrhage, Hyphaema, International Normalised Ratio Increased, Choroidal Haemorrhage, Drug Interaction, Visual Acuity Reduced, Pyrexia
Adverse event resulted in: hospitalization, disablity
Suspect drug(s):
Clarithromycin
Administration route: Oral
Indication: Lower Respiratory Tract Infection
Warfarin
Dosage: not reported
Indication: Anticoagulant Therapy
Adverse event in 58 year old male receiving Clarithromycin
Reported by a health professional (non-physician/pharmacist) from United Kingdom on 2007-10-17
Patient: 58 year old male
Adverse reactions / side effects: Psychomotor Hyperactivity, Psychiatric Symptom, Drug Interaction, Homicidal Ideation, Suicidal Ideation
Adverse event resulted in: hospitalization
Suspect drug(s):
Clarithromycin
Administration route: Oral
Indication: Lower Respiratory Tract Infection
Didanosine
Administration route: Oral
Indication: HIV Infection
Nevirapine
Administration route: Oral
Indication: HIV Infection
Simvastatin
Administration route: Oral
Indication: Hypercholesterolaemia
Zidovudine
Administration route: Oral
Indication: HIV Infection
Adverse event in 60 year old female receiving Clarithromycin
Reported by a physician from Japan on 2007-10-11
Patient: 60 year old female
Adverse reactions / side effects: Dysgeusia, Vertigo, Anosmia
Adverse event resulted in: disablity
Suspect drug(s):
Clarithromycin
Adverse event in female receiving Clarithromycin
Reported by a physician from Japan on 2007-10-11
Patient: female, weighing 54.0 kg (118.8 pounds)
Adverse reactions / side effects: Osteoporosis, Helicobacter Infection, Stevens-Johnson Syndrome
Adverse event resulted in: hospitalization
Suspect drug(s):
Amoxicillin
Dosage: combined drug
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-06-26
End date: 2007-07-02
Atelec
Administration route: Oral
Indication: Hypertension
Start date: 2007-05-17
End date: 2007-07-19
Bonalon
Administration route: Oral
Indication: Osteoporosis
Start date: 2007-06-25
End date: 2007-07-19
Clarithromycin
Dosage: combined drug
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-06-26
End date: 2007-07-02
Lansoprazole
Dosage: combined drug
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-06-26
End date: 2007-07-02
Omepral
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-06-26
End date: 2007-07-19
Pletal
Administration route: Oral
Indication: Hypertension
Start date: 2007-02-15
End date: 2007-07-19
Adverse event in 69 year old female receiving Clarithromycin
Reported by a individual with unspecified qualification from United States on 2007-10-04
Patient: 69 year old female
Adverse reactions / side effects: Burning Sensation, Pruritus, Drug Hypersensitivity, Hypotension, Urticaria, Swollen Tongue, Hyperhidrosis, Blood Pressure Diastolic Decreased
Adverse event resulted in: hospitalization
Suspect drug(s):
Clarithromycin
Dosage: 500 mg, qd
Indication: Mitral Valve Prolapse
Start date: 2007-07-27
End date: 2007-07-28
Clarithromycin
Dosage: 500 mg, qd
Indication: Prophylaxis
Start date: 2007-07-27
End date: 2007-07-28
Other drugs received by patient: Toprol-XL; Atacand; Prevacid; Siquilfate; Fluticasone Propionate
Adverse event in 78 year old female receiving Clarithromycin
Reported by a physician from Japan on 2007-10-04
Patient: 78 year old female, weighing 35.0 kg (77.0 pounds)
Adverse reactions / side effects: Creatinine Renal Clearance Decreased, Renal Impairment, Hyperkalaemia, Blood Calcium Increased, Blood Parathyroid Hormone Increased
Adverse event resulted in: hospitalization
Suspect drug(s):
Amoxicillin
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-10
End date: 2007-07-13
Clarithromycin
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-07-10
End date: 2007-07-13
Rabeprazole Sodium
Administration route: Oral
Indication: Helicobacter Infection
Start date: 2007-04-14
End date: 2007-04-18
Rabeprazole Sodium
Administration route: Oral
Start date: 2007-07-02
End date: 2007-07-09
Rabeprazole Sodium
Administration route: Oral
Start date: 2007-07-10
End date: 2007-07-13
Takepron OD
Administration route: Oral
Indication: Gastric Ulcer
Start date: 2007-03-21
End date: 2007-04-13
Other drugs received by patient: Magnesium Oxide; Etodolac; Azulene Sulfonate Sodium / L-Glutamine; Famotidine
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