This is an index of side effect / adverse reaction reports (a.k.a. adverse event reports) related to Allegra (Fexofenadine) 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 (203)
Death (8)
Disability (8)
Reports by Reaction Type
Drug Ineffective (17),
Pruritus (12),
Urticaria (9),
Loss of Consciousness (8),
Condition Aggravated (8),
Insomnia (8),
Headache (7),
Malaise (7),
Dizziness (7),
Abdominal Distension (7),
Blood Pressure Increased (6),
Dyspnoea (6)
Below are a few examples of reports where side effects / adverse reactions may be related to Allegra (Fexofenadine). For a complete list or a specific selection of reports, please use the links above.
Possible Allegra side effects in
Reported by a physician from Brazil on 2012-08-27
Patient:
Reactions: Psychotic Disorder, Suicide Attempt, Headache
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in 51 year old female
Reported by a consumer/non-health professional from United States on 2012-08-24
Patient: 51 year old female
Reactions: Weight Increased, Hypersensitivity, Arthralgia, Insomnia, Depression, Gastric Disorder
Drug(s) suspected as cause:
Allegra
Asmanex Twisthaler
Administration route: Oral
Indication: Asthma
Dulera
Fluticasone Propionate
Loratadine and Pseudoephedrine Sulfate
Prednisone TAB
Pulmicort
Singulair
Symbicort
Zyrtec
Other drugs received by patient: Albuterol; Albuterol
Possible Allegra side effects in
Reported by a physician from Japan on 2012-08-23
Patient:
Reactions: Photosensitivity Reaction, Electrocardiogram QT Prolonged
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in 53 year old female
Reported by a individual with unspecified qualification from United States on 2012-08-21
Patient: 53 year old female, weighing 46.7 kg (102.8 pounds)
Reactions: Personality Change, Urinary Tract Infection, DRY Skin, Amnesia, Muscle Rupture, Anxiety, Product Label Issue, Palpitations, Poisoning, Depression, Gait Disturbance
Drug(s) suspected as cause:
Allegra
Dosage: 180mg 1 ttab 24hrs po
Administration route: Oral
Indication: Rhinorrhoea
Start date: 2010-12-01
End date: 2012-07-28
Allegra
Dosage: 180mg 1 ttab 24hrs po
Administration route: Oral
Indication: Hypersensitivity
Start date: 2010-12-01
End date: 2012-07-28
Allegra
Dosage: 180mg 1 ttab 24hrs po
Administration route: Oral
Indication: Lacrimation Increased
Start date: 2010-12-01
End date: 2012-07-28
Possible Allegra side effects in
Reported by a consumer/non-health professional from Japan on 2012-08-15
Patient:
Reactions: Drug Eruption
Drug(s) suspected as cause:
Allegra
Dosage: unk
Administration route: Oral
Indication: Chronic Sinusitis
Start date: 2011-05-01
Fluticasone Furoate
Dosage: unk
Indication: Chronic Sinusitis
Start date: 2011-05-01
Methista
Dosage: unk
Administration route: Oral
Indication: Chronic Sinusitis
Start date: 2011-05-01
Singulair
Dosage: 10 mg, qd
Administration route: Oral
Indication: Chronic Sinusitis
Start date: 2011-05-01
End date: 2011-06-01
Tranexamic Acid
Dosage: unk
Indication: Chronic Sinusitis
Start date: 2011-05-01
[therapy Unspecified]
Dosage: unk
Indication: Chronic Sinusitis
Start date: 2011-05-01
Other drugs received by patient: Avelox; Clarith
Possible Allegra side effects in male
Reported by a consumer/non-health professional from United States on 2012-08-14
Patient: male
Reactions: Stent Placement, Blood Glucose Increased
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in
Reported by a physician from Japan on 2012-08-13
Patient:
Reactions: Photosensitivity Reaction, Electrocardiogram QT Prolonged
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in
Reported by a pharmacist from Japan on 2012-08-13
Patient:
Reactions: Memory Impairment
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in male
Reported by a consumer/non-health professional from United States on 2012-08-13
Patient: male
Reactions: Hydronephrosis, Dizziness
Drug(s) suspected as cause:
Allegra
Other drugs received by patient: Diuretics
Possible Allegra side effects in 83 year old female
Reported by a physician from United States on 2012-08-10
Patient: 83 year old female
Reactions: Excessive Eye Blinking, Clonus, Muscular Weakness, Hemiparesis, Muscle Twitching
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in 70 year old female
Reported by a physician from United States on 2012-08-10
Patient: 70 year old female
Reactions: Drug Hypersensitivity
Drug(s) suspected as cause:
Allegra
Dosage: 60 mg, unk
Amaryl
Dosage: 4 mg, 2x/day
Start date: 2002-08-03
Avandia
Dosage: 4 mg, 2x/day
Start date: 2002-10-08
Celebrex
Dosage: unk
Daypro
Dosage: unk
Hydromorphone Hydrochloride
Dosage: unk
Lipitor
Dosage: 20 mg, unk
Start date: 2003-05-27
Metformin HCL
Dosage: 500 mg, 2x/day
Start date: 2008-07-24
Mobic
Dosage: 7.5 mg, unk
Start date: 2012-06-18
Moxifloxacin
Dosage: unk
Oxycodone Hydrochloride
Dosage: unk
Pataday
Dosage: unk, daily
Start date: 2010-11-02
Phenergan
Dosage: unk
Pred-G
Dosage: unk
Promethazine HCL
Dosage: 12.5 mg, unk
Administration route: Oral
Indication: Nausea
Propylene Glycol
Dosage: unk
Vesicare
Dosage: unk
Vicodin
Possible Allegra side effects in male
Reported by a consumer/non-health professional from United States on 2012-08-09
Patient: male
Reactions: Hydronephrosis, Dizziness
Drug(s) suspected as cause:
Allegra
Other drugs received by patient: Diuretics
Possible Allegra side effects in
Reported by a health professional (non-physician/pharmacist) from United States on 2012-08-07
Patient:
Reactions: Blood Pressure Increased, Dyspepsia, Chest Pain, Heart Rate Increased
Drug(s) suspected as cause:
Allegra
Administration route: Oral
Astepro
Brovana
Budesonide
Fluticasone Propionate
Ipratropium Bromide
Nasonex
Proventil
Spiriva
Possible Allegra side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-07
Patient: female
Reactions: Diabetes Mellitus, Disability
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Allegra
Other drugs received by patient: Metformin Hydrochloride
Possible Allegra side effects in female
Reported by a consumer/non-health professional from United States on 2012-08-03
Patient: female
Reactions: Arthropathy, Neuropathy Peripheral, Atrial Fibrillation, Back Disorder
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in 70 year old female
Reported by a physician from United States on 2012-08-03
Patient: 70 year old female
Reactions: Hypersensitivity, Rash Pruritic
Drug(s) suspected as cause:
Allegra
Dosage: (60 mg)
Indication: Product Used FOR Unknown Indication
Amaryl
Dosage: 8 mg (4 mg, 2 in 1 d)
Indication: Product Used FOR Unknown Indication
Start date: 2002-08-03
Avandia
Dosage: 8 mg (4 mg, 2 in 1 d)
Indication: Product Used FOR Unknown Indication
Start date: 2002-10-08
Celebrex
Indication: Product Used FOR Unknown Indication
Daypro
Indication: Product Used FOR Unknown Indication
Hydromorphone HCL
Indication: Product Used FOR Unknown Indication
Lipitor
Dosage: (20 mg)
Indication: Product Used FOR Unknown Indication
Start date: 2003-05-27
Metfformin Hydrochloride
Dosage: 1000 mg (500 mg, 2 in 1 d)
Indication: Product Used FOR Unknown Indication
Start date: 2008-07-24
Mobic
Dosage: (7.5 mg)
Indication: Product Used FOR Unknown Indication
Start date: 2012-06-18
Moxifloxacin HCL
Indication: Product Used FOR Unknown Indication
Oxycodone HCL
Indication: Product Used FOR Unknown Indication
Pataday
Dosage: daily, ophthalmic
Indication: Product Used FOR Unknown Indication
Start date: 2010-11-02
Pred-G
Indication: Product Used FOR Unknown Indication
Promethazine
Indication: Product Used FOR Unknown Indication
Promethazine
Dosage: (12.5 mg), oral
Administration route: Oral
Indication: Nausea
Start date: 2012-06-18
Systane (Rhinaris)
Indication: Product Used FOR Unknown Indication
Vesicare
Indication: Product Used FOR Unknown Indication
Vicodin
Indication: Product Used FOR Unknown Indication
Possible Allegra side effects in 67 year old male
Reported by a physician from Japan on 2012-08-02
Patient: 67 year old male, weighing 80.0 kg (176.0 pounds)
Reactions: Drug-Induced Liver Injury, Pyrexia, Cerebral Haemorrhage
Adverse event resulted in: death, hospitalization
Drug(s) suspected as cause:
Allegra
Dosage: 60 mg; bid; po
Administration route: Oral
End date: 2012-05-25
Disopyramide
Dosage: 150 mg; 1x';po
Administration route: Oral
Start date: 2006-08-01
Famotidine
Dosage: 20 mg; bid; po
Administration route: Oral
Start date: 2006-08-01
Livalo
Indication: Dyslipidaemia
Mucodyne (Carbocisteine)
Dosage: 500 mg; tid; po
Administration route: Oral
End date: 2012-05-25
Norvasc
Dosage: 5 mg; 1x; po
Administration route: Oral
Start date: 2006-08-01
Shakuyakukanzoto (Shakuyakukanzoto)
Dosage: 5 gm; bid; po
Administration route: Oral
End date: 2012-05-25
Ticlopidine Hydrochloride
Dosage: 100 mg; bid; po
Administration route: Oral
Start date: 2006-08-01
Other drugs received by patient: Aspirin
Possible Allegra side effects in female
Reported by a consumer/non-health professional from United States on 2012-07-31
Patient: female
Reactions: Neuropathy Peripheral, Arthropathy, Atrial Fibrillation, Back Disorder
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in female
Reported by a consumer/non-health professional from United States on 2012-07-31
Patient: female
Reactions: Drug Hypersensitivity
Drug(s) suspected as cause:
Allegra
Dosage: 60 mg, unk
Amaryl
Dosage: 4 mg, 2x/day
Start date: 2002-08-03
Avandia
Dosage: 4 mg, 2x/day
Start date: 2002-10-08
Celebrex
Dosage: unk
Daypro
Dosage: unk
Hydromorphine Hydrochloride
Dosage: unk
Lipitor
Dosage: 20 mg, unk
Start date: 2003-05-27
Metformin HCL
Dosage: 500 mg, 2x/day
Start date: 2008-07-24
Mobic
Dosage: 7.5 mg, unk
Start date: 2012-06-18
Moxifloxacin
Dosage: unk
Oxycodone HCL
Dosage: unk
Pataday
Dosage: unk, daily
Start date: 2010-11-02
Phenergan HCL
Dosage: unk
Pred-G
Dosage: unk
Promethazine HCL
Dosage: 12.5 mg, unk
Administration route: Oral
Indication: Nausea
Propylene Glycol
Dosage: unk
Vesicare
Dosage: unk
Vicodin
Possible Allegra side effects in female
Reported by a physician from Japan on 2012-07-25
Patient: female, weighing 61.0 kg (134.2 pounds)
Reactions: Death
Adverse event resulted in: death
Drug(s) suspected as cause:
Adalat
Administration route: Oral
Indication: Hypertension
Start date: 2010-09-01
Allegra
Administration route: Oral
Start date: 2010-11-13
Amaryl
Administration route: Oral
Indication: Diabetes Mellitus
Start date: 2010-09-01
Tykerb
Dosage: 1250mg per day
Administration route: Oral
Indication: Breast Cancer
Start date: 2011-09-15
End date: 2011-12-15
Xeloda
Dosage: 1800mg per day
Administration route: Oral
Start date: 2011-09-15
End date: 2011-12-15
Zometa
Indication: Metastases To Bone
Start date: 2010-10-04
Possible Allegra side effects in 57 year old female
Reported by a consumer/non-health professional from United States on 2012-07-23
Patient: 57 year old female
Reactions: Crohn's Disease
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in 63 year old female
Reported by a consumer/non-health professional from United States on 2012-07-19
Patient: 63 year old female, weighing 95.0 kg (209.0 pounds)
Reactions: Drug Interaction
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Abilify
Indication: Depression
ALL Other Therapeutic Products
Allegra
Aspirin
Atorvastatin
Bisacodyl
Indication: Irritable Bowel Syndrome
Lisinopril
Indication: Blood Pressure
Lyrica
Indication: Fibromyalgia
Start date: 2011-01-01
Lyrica
Methadone HCL
Methadone HCL
Indication: Back Disorder
Omeprazole
Osteo BI-Flex
Indication: Back Pain
Tamsulosin HCL
Vitamin D
Indication: Vitamin D Deficiency
Possible Allegra side effects in 3 year old
Reported by a consumer/non-health professional from Brazil on 2012-07-18
Patient: 3 year old
Reactions: Convulsion
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in 72 year old male
Reported by a consumer/non-health professional from United States on 2012-07-18
Patient: 72 year old male
Reactions: Coagulopathy
Drug(s) suspected as cause:
Allegra
Dosage: film coated tabs
Administration route: Oral
Indication: Seasonal Allergy
Start date: 2012-05-01
Coumadin
Possible Allegra side effects in 34 year old female
Reported by a consumer/non-health professional from Canada on 2012-07-17
Patient: 34 year old female
Reactions: Urticaria, Impaired Work Ability
Adverse event resulted in: disablity
Drug(s) suspected as cause:
Allegra
Other drugs received by patient: Effexor
Possible Allegra side effects in 64 year old female
Reported by a consumer/non-health professional from United States on 2012-07-16
Patient: 64 year old female
Reactions: Heart Rate Increased, Atrial Fibrillation
Drug(s) suspected as cause:
Allegra
Possible Allegra side effects in 67 year old male
Reported by a physician from Japan on 2012-07-12
Patient: 67 year old male
Reactions: Hepatic Function Abnormal, C-Reactive Protein Increased, Gamma-Glutamyltransferase Increased, Alanine Aminotransferase Increased, Aspartate Aminotransferase Increased, Cerebral Haemorrhage
Adverse event resulted in: death, hospitalization
Drug(s) suspected as cause:
Allegra
Dosage: po
Administration route: Oral
Disopyramide
Dosage: 150 mg; 1x; po
Administration route: Oral
Start date: 2006-08-01
Famotidine
Dosage: po
Administration route: Oral
Start date: 2006-08-01
Livalo
Dosage: 1 mg; 1x; po, 4 mg; 1x; po, 1 mg; 1x; po
Administration route: Oral
Indication: Hypercholesterolaemia
Start date: 2012-05-15
End date: 2012-05-18
Livalo
Dosage: 1 mg; 1x; po, 4 mg; 1x; po, 1 mg; 1x; po
Administration route: Oral
Indication: Hypercholesterolaemia
Start date: 2012-05-18
Livalo
Dosage: 1 mg; 1x; po, 4 mg; 1x; po, 1 mg; 1x; po
Administration route: Oral
Indication: Hypercholesterolaemia
Start date: 2006-08-01
End date: 2012-05-14
Mucodyne (Carbocisteine)
Dosage: 500 mg; tid; po
Administration route: Oral
Nasonex
Dosage: nas
Norvasc
Dosage: 5 mg; 1x; po
Administration route: Oral
Start date: 2006-08-01
Shakuyakukanzoto (Shakuyakukanzoto)
Dosage: po
Administration route: Oral
Ticlopidine HCL
Dosage: 100 mg; 1x; po
Administration route: Oral
Start date: 2006-08-01
Possible Allegra side effects in female
Reported by a consumer/non-health professional from United States on 2012-07-11
Patient: female, weighing 95.0 kg (209.0 pounds)
Reactions: Drug Interaction
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Allegra
Indication: Hypersensitivity
Aripiprazole
Administration route: Oral
Indication: Depression
Aspirin
Dosage: 81 mg
Indication: Hypertension
Atorvastatin
Dosage: 80 mg
Indication: Blood Cholesterol Increased
Bisacodyl
Dosage: 5 mg
Indication: Irritable Bowel Syndrome
Lisinopril
Dosage: 10 mg
Indication: Hypertension
Lyrica
Dosage: 300 mg
Administration route: Oral
Indication: Fibromyalgia
Start date: 2011-01-01
Methadone HCL
Dosage: 30 mg
Indication: Back Disorder
Omeprazole
Dosage: 20.6 mg
Indication: Gastrooesophageal Reflux Disease
Osteobi Flex
Indication: Back Pain
Tamsulosin HCL
Dosage: 0.4 mg
Administration route: Oral
Indication: Bladder Disorder
Vitamin D
Indication: Vitamin D Deficiency
Possible Allegra side effects in 69 year old male
Reported by a physician from Japan on 2012-07-09
Patient: 69 year old male, weighing 55.0 kg (121.0 pounds)
Reactions: Malaise, Conjunctival Hyperaemia, Decreased Appetite
Drug(s) suspected as cause:
Allegra
Other drugs received by patient: Minocycline Hydrochloride
Possible Allegra side effects in
Reported by a pharmacist from Japan on 2012-07-09
Patient:
Reactions: Candidiasis
Drug(s) suspected as cause:
Allegra
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