This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Zithromax (Azithromycin) 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 (533)
Death (45)
Life Threatening Events (39)
Disability (15)
Reports by Reaction Type
Drug Hypersensitivity (40),
Drug Ineffective (34),
Diarrhoea (32),
Rash (29),
Pyrexia (28),
Dyspnoea (21),
Hypersensitivity (20),
Urticaria (19),
Malaise (19),
Pneumonia (19),
Rhabdomyolysis (17),
Nausea (16)
Below are a few examples of reports where side effects / adverse reactions may be related to Zithromax (Azithromycin). For a complete list or a specific selection of reports, please use the links above.
Possible Zithromax side effects in 38 year old male
Reported by a pharmacist from Japan on 2012-08-23
Patient: 38 year old male, weighing 43.0 kg (94.6 pounds)
Reactions: Electrocardiogram QT Prolonged, Ventricular Tachycardia, Ventricular Fibrillation
Adverse event resulted in: life threatening event, hospitalization
Drug(s) suspected as cause:
Zithromax
Other drugs received by patient: Hydrocortone; Midazolam; Norepinephrine Bitartrate; Cefepime Dihydrochloride Hydrate; Lactec; Isotonic Sodium Chloride; Plasma Protein Fraction (Human); Fentanyl; Humulin R
Possible Zithromax side effects in
Reported by a pharmacist from United States on 2012-08-23
Patient:
Reactions: Migraine
Drug(s) suspected as cause:
Azithromycin
Dosage: 250 mg, unk (tablets)
Brompheniramine Maleate
Dosage: unk
Zithromax
Dosage: unk
Possible Zithromax side effects in 87 year old female
Reported by a physician from Japan on 2012-08-22
Patient: 87 year old female, weighing 42.4 kg (93.3 pounds)
Reactions: Renal Impairment, Atrioventricular Block, Stress Cardiomyopathy, Long QT Syndrome
Adverse event resulted in: life threatening event, hospitalization
Drug(s) suspected as cause:
Omegacin
Dosage: unk
Indication: Pneumonia
Start date: 2012-06-04
End date: 2012-06-10
Zithromax
Dosage: 500 mg, 1x/day
Indication: Respiratory Tract Infection
Start date: 2012-06-04
End date: 2012-06-08
Zithromax
Indication: Pneumonia
Possible Zithromax side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-22
Patient: female
Reactions: Anxiety, Seasonal Allergy, Drug Ineffective, Sinus Headache
Drug(s) suspected as cause:
Flonase
Dosage: unk
Zithromax
Dosage: unk
Possible Zithromax side effects in 102 year old female
Reported by a consumer/non-health professional from United States on 2012-08-20
Patient: 102 year old female, weighing 51.2 kg (112.7 pounds)
Reactions: Activities of Daily Living Impaired, Blindness
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Zithromax
Other drugs received by patient: Nitro-DUR; Diovan
Possible Zithromax side effects in
Reported by a pharmacist from Japan on 2012-08-20
Patient:
Reactions: Pneumonia, Drug Ineffective
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-20
Patient: female
Reactions: Malaise, Dependence
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in 49 year old female
Reported by a consumer/non-health professional from United States on 2012-08-17
Patient: 49 year old female
Reactions: Flushing, Dyspnoea, Immediate Post-Injection Reaction
Drug(s) suspected as cause:
Copaxone
Dosage: 20 mg, unk
Indication: Multiple Sclerosis
Start date: 2012-07-07
Zithromax
Dosage: unk
Indication: Bronchitis
Start date: 2012-07-01
End date: 2012-07-01
Possible Zithromax side effects in 12 year old female
Reported by a physician from Japan on 2012-08-17
Patient: 12 year old female, weighing 39.0 kg (85.8 pounds)
Reactions: Nausea, Loss of Consciousness
Drug(s) suspected as cause:
Acetaminophen
Indication: Mycoplasma Infection
Acetaminophen
Dosage: 300 mg/day, as needed
Administration route: Oral
Indication: Upper Respiratory Tract Inflammation
Start date: 2012-07-24
End date: 2012-07-24
Zithromax
Dosage: 500 mg, 1x/day
Administration route: Oral
Indication: Mycoplasma Infection
Start date: 2012-07-24
End date: 2012-07-24
Zithromax
Indication: Respiratory Tract Inflammation
Possible Zithromax side effects in 58 year old female
Reported by a consumer/non-health professional from United States on 2012-08-17
Patient: 58 year old female, weighing 68.0 kg (149.7 pounds)
Reactions: Flushing, Malaise, Oral Candidiasis, Fungal Infection, Rash
Drug(s) suspected as cause:
Zithromax
Dosage: 250 mg, unk
Indication: Upper Respiratory Tract Infection
Zithromax
Indication: Influenza
Possible Zithromax side effects in 12 year old female
Reported by a pharmacist from Japan on 2012-08-16
Patient: 12 year old female, weighing 39.0 kg (85.8 pounds)
Reactions: Nausea, Loss of Consciousness
Drug(s) suspected as cause:
Acetaminophen
Indication: Mycoplasma Infection
Acetaminophen
Dosage: 300 mg/day, as needed
Administration route: Oral
Indication: Upper Respiratory Tract Inflammation
Start date: 2012-07-24
End date: 2012-07-24
Zithromax
Dosage: 500 mg, 1x/day
Administration route: Oral
Indication: Mycoplasma Infection
Start date: 2012-07-24
End date: 2012-07-24
Zithromax
Indication: Respiratory Tract Inflammation
Possible Zithromax side effects in 18 year old female
Reported by a physician from United States on 2012-08-14
Patient: 18 year old female, weighing 69.3 kg (152.6 pounds)
Reactions: Pneumonia, Respiratory Disorder, Urinary Tract Infection, Toxic Epidermal Necrolysis
Adverse event resulted in: life threatening event, hospitalization
Drug(s) suspected as cause:
Lamictal
Dosage: 50 mg, extended tab
Administration route: Oral
Indication: Bipolar Disorder
Start date: 2012-02-23
End date: 2012-03-08
Lamictal
Indication: Bipolar I Disorder
Lamictal
Indication: Anger
Naproxen
Dosage: 500 mg, as needed
Indication: Ligament Sprain
Start date: 2012-02-22
Zithromax
Dosage: 250 mg, daily (2 on 1st day and once daily for 4 days): duration of treatment: 5 days
Administration route: Oral
Indication: Sinusitis
Start date: 2012-03-07
End date: 2012-03-09
Other drugs received by patient: Flexeril
Possible Zithromax side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-14
Patient: female
Reactions: Dependence
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in 22 year old male
Reported by a health professional (non-physician/pharmacist) from France on 2012-08-14
Patient: 22 year old male, weighing 53.0 kg (116.6 pounds)
Reactions: Cytolytic Hepatitis, Cholestasis
Drug(s) suspected as cause:
Pravastatin
Dosage: 40 mg, 1x/day
Administration route: Oral
End date: 2012-07-26
Zithromax
Dosage: 2 df, 1x/day
Administration route: Oral
End date: 2012-07-26
Other drugs received by patient: Tenormin; Bactrim; Cell Cept; Domperidone; Valganciclovir; Vitamin D; Tacrolimus; Prednisone TAB; Tranxene; Imodium; Creon; Nexium
Possible Zithromax side effects in 18 year old female
Reported by a physician from United States on 2012-08-14
Patient: 18 year old female, weighing 69.3 kg (152.6 pounds)
Reactions: Pneumonia, Respiratory Disorder, Urinary Tract Infection, Toxic Epidermal Necrolysis
Adverse event resulted in: life threatening event, hospitalization
Drug(s) suspected as cause:
Lamictal
Indication: Anger
Lamictal
Indication: Bipolar I Disorder
Lamictal
Dosage: 50 mg, extended tab
Administration route: Oral
Indication: Bipolar Disorder
Start date: 2012-02-23
End date: 2012-03-08
Naproxen
Dosage: 500 mg, as needed
Indication: Ligament Sprain
Start date: 2012-02-22
Zithromax
Dosage: 250 mg, daily (2 on 1st day and once daily for 4 days): duration of treatment: 5 days
Administration route: Oral
Indication: Sinusitis
Start date: 2012-03-07
End date: 2012-03-09
Other drugs received by patient: Flexeril
Possible Zithromax side effects in 93 year old female
Reported by a physician from Japan on 2012-08-13
Patient: 93 year old female, weighing 42.2 kg (92.8 pounds)
Reactions: Hypoglycaemia, Drug Interaction
Adverse event resulted in: life threatening event
Drug(s) suspected as cause:
Zithromax
Other drugs received by patient possibly interacting with the suspect drug:
Amaryl
Dosage: 1 mg, 1x/day
Administration route: Oral
Indication: Type 2 Diabetes Mellitus
Start date: 2009-06-18
End date: 2012-07-18
Other drugs received by patient: Detantol; Methista; Posterisan Forte; Senevacul; Shinluck; Zesulan; Acecol
Possible Zithromax side effects in 82 year old male
Reported by a pharmacist from Japan on 2012-08-13
Patient: 82 year old male
Reactions: Pneumonia, Blood Potassium Increased
Adverse event resulted in: death
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in 46 year old
Reported by a consumer/non-health professional from United States on 2012-08-13
Patient: 46 year old
Reactions: Drug Hypersensitivity
Drug(s) suspected as cause:
Aspirin
Dosage: unk
Phenergan HCL
Dosage: unk
Phentermine
Dosage: unk
Tetracycline HCL
Dosage: unk
Tizanidine
Dosage: unk
Zithromax
Dosage: unk
Possible Zithromax side effects in 57 year old female
Reported by a physician from United States on 2012-08-10
Patient: 57 year old female
Reactions: Nausea, Drug Hypersensitivity
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in 27 year old male
Reported by a pharmacist from Japan on 2012-08-09
Patient: 27 year old male
Reactions: NO Adverse Event
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in 40 year old female
Reported by a physician from Japan on 2012-08-09
Patient: 40 year old female
Reactions: Haematochezia
Drug(s) suspected as cause:
Zithromax
Other drugs received by patient: Mucodyne
Possible Zithromax side effects in 75 year old female
Reported by a pharmacist from Japan on 2012-08-08
Patient: 75 year old female
Reactions: Haematochezia, Polyp, Enterocolitis
Drug(s) suspected as cause:
Ibruprofen
Indication: Nasopharyngitis
Ibruprofen
Dosage: 100 mg, 3x/day
Administration route: Oral
Indication: Cough
Start date: 2012-05-07
End date: 2012-05-08
Toclase
Dosage: 30 mg, 2x/day
Administration route: Oral
Indication: Cough
Start date: 2012-05-07
End date: 2012-05-08
Toclase
Indication: Nasopharyngitis
Zithromax
Dosage: 500 mg, 1x/day
Administration route: Oral
Indication: Cough
Start date: 2012-05-07
End date: 2012-05-08
Zithromax
Indication: Nasopharyngitis
Other drugs received by patient: Crestor; Baycaron
Possible Zithromax side effects in 12 year old female
Reported by a pharmacist from Japan on 2012-08-08
Patient: 12 year old female
Reactions: Nausea, Loss of Consciousness
Drug(s) suspected as cause:
Acetaminophen
Dosage: 300 mg/day
Start date: 2012-07-24
Zithromax
Dosage: 500 mg, 1x/day
Administration route: Oral
Indication: Pneumonia Mycoplasmal
Start date: 2012-07-24
Possible Zithromax side effects in 57 year old female
Reported by a physician from United States on 2012-08-06
Patient: 57 year old female
Reactions: Nausea, Drug Hypersensitivity
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in
Reported by a consumer/non-health professional from United States on 2012-08-06
Patient:
Reactions: Oral Candidiasis, Fungal Infection
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-06
Patient: female
Reactions: Abdominal Discomfort
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in 68 year old female
Reported by a consumer/non-health professional from United States on 2012-08-02
Patient: 68 year old female
Reactions: Drug Ineffective
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in 27 year old male
Reported by a pharmacist from Japan on 2012-08-01
Patient: 27 year old male
Reactions: NO Adverse Event
Drug(s) suspected as cause:
Zithromax
Possible Zithromax side effects in 68 year old female
Reported by a pharmacist from Japan on 2012-07-31
Patient: 68 year old female
Reactions: Hallucination, Auditory, Hallucination, Visual
Drug(s) suspected as cause:
Vfend
Dosage: 100 mg, 2x/day
Administration route: Oral
Zithromax
Dosage: 500 mg, 1x/day
Administration route: Oral
Indication: Pneumonia
Start date: 2012-06-15
End date: 2012-06-17
Possible Zithromax side effects in 51 year old female
Reported by a health professional (non-physician/pharmacist) from United States on 2012-07-31
Patient: 51 year old female
Reactions: Flushing, Pruritus, Fungal Infection, Upper Respiratory Tract Infection, Heart Rate Abnormal
Drug(s) suspected as cause:
Epoprostenol Sodium
Dosage: 38.3 ng/kg, per min
Indication: Pulmonary Arterial Hypertension
Start date: 2012-04-18
Zithromax
Other drugs received by patient: Letairis; Aspirin; Coumadin; Plavix
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