Index of reports
> Cases with Hypersensitivity (27)
Below is the selection of side effect reports (a.k.a. adverse event reports) related to Benadryl (Diphenhydramine) where reactions include hypersensitivity. The selected reports were submitted to the FDA during the sample period of about a year.
Possible Benadryl side effects in 21 year old female
Reported by a consumer/non-health professional from United States on 2012-08-23
Patient: 21 year old female, weighing 78.0 kg (171.6 pounds)
Reactions: Hypersensitivity
Drug(s) suspected as cause:
Demerol
Dosage: unk
Indication: Pain
Hydrocodone Bitartrate
Dosage: unk
Indication: Pain
Start date: 2011-11-01
Cortisone Acetate
Dosage: unk
Indication: Pain
Start date: 1988-01-01
Darvocet-N 50
Dosage: unk
Indication: Pain
Start date: 2008-01-01
Morphine Sulfate
Dosage: unk
Indication: Pain
Start date: 1984-01-01
Benadryl
Dosage: unk
Start date: 1988-01-01
Possible Benadryl side effects in female
Reported by a consumer/non-health professional from United States on 2012-07-31
Patient: female, weighing 83.9 kg (184.6 pounds)
Reactions: Procedural Pain, Hypersensitivity, Contusion, Fall
Drug(s) suspected as cause:
Skelaxin
Administration route: Oral
Indication: Muscle Relaxant Therapy
Start date: 2012-06-11
End date: 2012-06-01
Benadryl
Administration route: Oral
Indication: Urticaria
Start date: 2012-06-20
End date: 2012-06-01
Stelara
Indication: Psoriasis
Start date: 2012-03-01
Hydrocodone
Administration route: Oral
Indication: Procedural Pain
Start date: 2012-06-11
End date: 2012-06-01
Hydroxyzine HCL
Administration route: Oral
Indication: Urticaria
Start date: 2012-06-01
Tramadol Hydrochloride
Administration route: Oral
Indication: Procedural Pain
Start date: 2012-06-11
Corticosteroids
Dosage: given once
Indication: Urticaria
Start date: 2012-06-01
End date: 2012-06-01
Possible Benadryl side effects in male
Reported by a physician from United States on 2012-07-24
Patient: male
Reactions: Hypersensitivity, Pain, Eye Oedema
Drug(s) suspected as cause:
Benadryl
Dosage: unk
Bicillin L-A
Dosage: 1.2 mg, unk
Indication: Lyme Disease
Possible Benadryl side effects in female
Reported by a physician from United States on 2012-07-12
Patient: female, weighing 98.9 kg (217.5 pounds)
Reactions: Hypersensitivity, Hypertension, Infusion Related Reaction
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Acetaminophen
Administration route: Oral
Indication: Premedication
Start date: 2012-03-07
End date: 2012-03-07
Acetaminophen
Administration route: Oral
Benadryl
Administration route: Oral
Indication: Premedication
Start date: 2012-03-07
End date: 2012-03-07
Remicade
Indication: Psoriatic Arthropathy
Start date: 2011-06-29
Remicade
Start date: 2012-03-06
End date: 2012-03-08
Other drugs received by patient: Hydroxychloroquine Sulfate; Hydrochlorothiazide; Calcium with Vitamin D; Asacol; Quinapril; Tramadol HCL; Flexeril
Possible Benadryl side effects in female
Reported by a consumer/non-health professional from United States on 2012-07-11
Patient: female, weighing 83.9 kg (184.6 pounds)
Reactions: Procedural Pain, Contusion, Hypersensitivity, Fall
Drug(s) suspected as cause:
Benadryl
Administration route: Oral
Indication: Urticaria
Start date: 2012-06-20
End date: 2012-06-01
Stelara
Indication: Psoriasis
Start date: 2012-03-01
Hydrocodone Bitartrate
Administration route: Oral
Indication: Procedural Pain
Start date: 2012-06-11
End date: 2012-06-01
Hydroxyzine HCL
Administration route: Oral
Indication: Urticaria
Start date: 2012-06-01
Tramadol HCL
Administration route: Oral
Indication: Procedural Pain
Start date: 2012-06-11
Corticosteroids
Dosage: given once
Indication: Urticaria
Start date: 2012-06-01
End date: 2012-06-01
Skelaxin
Administration route: Oral
Indication: Muscle Relaxant Therapy
Start date: 2012-06-11
End date: 2012-06-01
Possible Benadryl side effects in 34 year old female
Reported by a physician from United States on 2012-05-30
Patient: 34 year old female
Reactions: Blood Pressure Increased, Hypersensitivity, Muscle Spasms
Drug(s) suspected as cause:
Benadryl
Indication: Migraine
Phenergan
Indication: Migraine
Toradol
Indication: Migraine
Humira
Indication: Psoriasis
Start date: 2012-02-15
Imitrex
Indication: Migraine
Start date: 2012-03-19
Tylenol
Indication: Migraine
Other drugs received by patient: Triamcinolone; Clonazepam; Unspecified Medication; Halcinonide; Proton Pump Inhibitor; Diphenhydramine HCL
Possible Benadryl side effects in 34 year old female
Reported by a consumer/non-health professional from United States on 2012-05-16
Patient: 34 year old female
Reactions: Off Label Use, Blood Pressure Increased, Hypersensitivity, Muscle Spasms
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Phenergan
Indication: Migraine
Start date: 2012-03-19
Tylenol (Caplet)
Administration route: Oral
Benadryl
Indication: Injection Related Reaction
Start date: 2012-03-19
Unknown Medication
Indication: Migraine
Start date: 2012-03-19
Toradol
Indication: Migraine
Start date: 2012-03-19
Imitrex
Indication: Migraine
Start date: 2012-03-19
Tylenol (Caplet)
Administration route: Oral
Indication: Migraine
Start date: 2012-03-19
Other drugs received by patient: Halcinonide; Humira; Clonazepam; Protonix; Triamcinolone; Triamcinolone Acetonide; Diphenhydramine Hydrochloride
Possible Benadryl side effects in 35 year old female
Reported by a physician from United States on 2012-05-09
Patient: 35 year old female
Reactions: Blood Pressure Increased, Migraine, Hypersensitivity, Injection Site Pain, Muscle Spasms
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Phenergan
Indication: Migraine
Acetaminophen
Indication: Migraine
Benadryl
Indication: Migraine
Humira
Imitrex
Indication: Migraine
Start date: 2012-03-19
Humira
Indication: Psoriasis
Start date: 2012-02-15
Toradol
Indication: Migraine
Other drugs received by patient: Triamcinolone; Vistaril; Allergy Shots; Klonopin; Acetonide; Halog; Protonix
Possible Benadryl side effects in 34 year old female
Reported by a physician from United States on 2012-04-30
Patient: 34 year old female
Reactions: Migraine, Blood Pressure Increased, Hypersensitivity, Injection Site Pain, Muscle Spasms
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Toradol
Indication: Migraine
Benadryl
Indication: Migraine
Tylenol (Caplet)
Indication: Migraine
Humira
Indication: Psoriasis
Start date: 2012-02-15
Phenergan
Indication: Migraine
Imitrex
Indication: Migraine
Start date: 2012-03-19
Other drugs received by patient: Triamcinolone; Protonics; Acetonide; Allergy; Klonopin; Halog
Possible Benadryl side effects in 47 year old female
Reported by a consumer/non-health professional from Canada on 2012-04-30
Patient: 47 year old female, weighing 81.7 kg (179.6 pounds)
Reactions: Hypersensitivity, Cardiovascular Insufficiency, Application Site Pain, Application Site Dryness
Drug(s) suspected as cause:
Benadryl
Possible Benadryl side effects in 34 year old female
Reported by a physician from United States on 2012-04-12
Patient: 34 year old female
Reactions: Blood Pressure Increased, Migraine, Hypersensitivity, Injection Site Pain, Muscle Spasms
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Phenergan HCL
Indication: Migraine
Toradol
Indication: Migraine
Imitrex
Indication: Migraine
Start date: 2012-03-19
Tylenol (Caplet)
Indication: Migraine
Humira
Indication: Psoriasis
Start date: 2012-02-15
Benadryl
Indication: Migraine
Other drugs received by patient: Halog; Allergy; Triamcinolone; Protonics; Klonopin; Acetonide
Possible Benadryl side effects in 34 year old female
Reported by a consumer/non-health professional from United States on 2012-03-30
Patient: 34 year old female
Reactions: Migraine, Blood Pressure Increased, Hypersensitivity, Injection Site Pain, Muscle Spasms
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Toradol
Indication: Migraine
Benadryl
Indication: Migraine
Tylenol
Indication: Migraine
Phenergan HCL
Indication: Migraine
Humira
Indication: Psoriasis
Start date: 2012-02-15
Imitrex
Indication: Migraine
Start date: 2012-03-19
Other drugs received by patient: Triamcinolone; Acetonide; Halog; Protonics; Klonopin; Allergy
Possible Benadryl side effects in 34 year old female
Reported by a consumer/non-health professional from United States on 2012-03-30
Patient: 34 year old female
Reactions: Blood Pressure Increased, Migraine, Hypersensitivity, Injection Site Pain, Muscle Spasms
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Toradol
Indication: Migraine
Humira
Indication: Psoriasis
Start date: 2012-02-15
Benadryl
Indication: Migraine
Imitrex
Indication: Migraine
Start date: 2012-03-19
Tylenol
Indication: Migraine
Phenergan HCL
Indication: Migraine
Other drugs received by patient: Klonopin; Protonics; Allergy; Acetonide; Triamcinolone; Halog
Possible Benadryl side effects in female
Reported by a physician from United States on 2012-03-29
Patient: female, weighing 87.5 kg (192.6 pounds)
Reactions: Myalgia, Pruritus, Hypersensitivity, Drug Ineffective, Arthralgia, Pain, Skin Burning Sensation, Hypersomnia
Drug(s) suspected as cause:
Benadryl
Dosage: 25 mg, unk
Administration route: Oral
Codeine Sulfate
Dosage: unk
Lyrica
Dosage: 150 mg, 2x/day
Administration route: Oral
Indication: Fibromyalgia
Start date: 2011-08-01
End date: 2012-02-01
Hydrocodone Bitartrate
Dosage: unk
Ultram ER
Dosage: 100 mg, 2x/day
Administration route: Oral
Indication: Fibromyalgia
Other drugs received by patient: Levothyroxine; Bisoprolol Fumarate and Hydrochlorothiazide; Aldactone; Metformin; Glimepiride
Possible Benadryl side effects in 47 year old female
Reported by a consumer/non-health professional from Canada on 2012-03-27
Patient: 47 year old female, weighing 81.7 kg (179.6 pounds)
Reactions: Hypersensitivity, Cardiovascular Insufficiency, Application Site Dryness, Application Site Pain
Drug(s) suspected as cause:
Benadryl
Possible Benadryl side effects in 41 year old female
Reported by a consumer/non-health professional from United States on 2012-03-20
Patient: 41 year old female, weighing 49.9 kg (109.8 pounds)
Reactions: Anxiety, Hypersensitivity
Drug(s) suspected as cause:
Benadryl
Administration route: Oral
Benadryl
Dosage: ^two caplets one time only^
Administration route: Oral
Indication: Hypersensitivity
Start date: 2012-01-01
End date: 2012-01-01
Other drugs received by patient: Allegra; Pepcid
Possible Benadryl side effects in female
Reported by a consumer/non-health professional from United States on 2012-03-06
Patient: female, weighing 87.5 kg (192.6 pounds)
Reactions: Myalgia, Pruritus, Hypersensitivity, Drug Ineffective, Arthralgia, Pain, Skin Burning Sensation, Hypersomnia
Drug(s) suspected as cause:
Hydrocodone Bitartrate
Dosage: unk
Benadryl
Dosage: 25 mg, unk
Administration route: Oral
Codeine Sulfate
Dosage: unk
Lyrica
Dosage: 150 mg, 2x/day
Administration route: Oral
Indication: Fibromyalgia
Start date: 2011-08-01
End date: 2012-02-01
Ultram ER
Dosage: 100 mg, 2x/day
Administration route: Oral
Indication: Fibromyalgia
Other drugs received by patient: Levothyroxine; Aldactone; Metformin; Glimepiride; Bisoprolol Fumarate and Hydrochlorothiazide
Possible Benadryl side effects in female
Reported by a consumer/non-health professional from United States on 2012-03-02
Patient: female
Reactions: Respiratory Disorder, Hypersensitivity, Swelling
Drug(s) suspected as cause:
Benadryl
Dosage: daily dose text: unspecified
Administration route: Oral
Indication: Product Used FOR Unknown Indication
Benadryl
Administration route: Oral
Other drugs received by patient: Oral Contraceptive Unspecified
Possible Benadryl side effects in female
Reported by a physician from United States on 2012-03-02
Patient: female
Reactions: Hypersensitivity, Respiratory Disorder, Dyspnoea, Swelling
Drug(s) suspected as cause:
Benadryl
Administration route: Oral
Indication: Product Used FOR Unknown Indication
Acetaminophen
Administration route: Oral
Benadryl
Administration route: Oral
Acetaminophen
Administration route: Oral
Indication: Product Used FOR Unknown Indication
Other drugs received by patient: Oral Contraceptives (Unspecified)
Possible Benadryl side effects in female
Reported by a consumer/non-health professional from United States on 2012-03-02
Patient: female, weighing 87.5 kg (192.6 pounds)
Reactions: Myalgia, Pruritus, Hypersensitivity, Drug Ineffective, Arthralgia, Pain, Skin Burning Sensation, Hypersomnia
Drug(s) suspected as cause:
Benadryl
Dosage: 25 mg, unk
Administration route: Oral
Ultram ER
Dosage: 100 mg, 2x/day
Administration route: Oral
Indication: Fibromyalgia
Lyrica
Dosage: 150 mg, 2x/day
Administration route: Oral
Indication: Fibromyalgia
Start date: 2011-08-01
End date: 2012-02-01
Codeine Sulfate
Dosage: unk
Hydrocodone Bitartrate
Dosage: unk
Other drugs received by patient: Bisoprolol Fumarate and Hydrochlorothiazide; Metformin; Glimepiride; Levothyroxine; Aldactone
Possible Benadryl side effects in 7 year old male
Reported by a consumer/non-health professional from United States on 2012-02-22
Patient: 7 year old male
Reactions: Product Quality Issue, Chest Discomfort, Hypersensitivity, Angioedema, Nausea, Wheezing, Urticaria, Impaired Work Ability, Pyrexia, Rash, Headache, Pallor, Malaise, Cough
Drug(s) suspected as cause:
Acetaminophen
Junior Strength Motrin
Benadryl
Indication: Product Used FOR Unknown Indication
Junior Strength Motrin
Indication: Ill-Defined Disorder
Acetaminophen
Indication: Product Used FOR Unknown Indication
Benadryl
Possible Benadryl side effects in 7 year old male
Reported by a consumer/non-health professional from United States on 2012-02-21
Patient: 7 year old male
Reactions: Hypersensitivity, Chest Discomfort, Angioedema, Nausea, Impaired Work Ability, Urticaria, Wheezing, Headache, Pyrexia, Rash, Pallor, Malaise, Cough
Drug(s) suspected as cause:
Benadryl
Dosage: daily dose text: unspecified
Indication: Product Used FOR Unknown Indication
Benadryl
Motrin
Dosage: daily dose text: unspecified
Indication: Product Used FOR Unknown Indication
Acetaminophen
Dosage: daily dose text: unspecified
Indication: Product Used FOR Unknown Indication
Possible Benadryl side effects in female
Reported by a consumer/non-health professional from United States on 2012-01-20
Patient: female, weighing 93.0 kg (204.5 pounds)
Reactions: Anxiety, Hypersensitivity, Nasopharyngitis, Pain in Extremity, Drug Ineffective, Pain, Disturbance in Attention, Somnolence, Accidental Overdose
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Flovent
Dosage: unk
Indication: Asthma
Glucotrol XL
Dosage: unk
Indication: Diabetes Mellitus
Start date: 2006-12-01
Benadryl
Dosage: unk
Indication: Hypersensitivity
Start date: 2012-01-15
Lyrica
Dosage: unk
Indication: Neuropathy Peripheral
Start date: 2011-10-01
End date: 2012-01-14
Other drugs received by patient: Pravastatin; Amitriptyline; Citalopram; Metoprolol; Fish OIL; Omeprazole; Actos; Metformin; Furosemide; Rapamune; Prednisone; Myfortic; Multi-Vitamins; Potassium Chloride
Possible Benadryl side effects in 53 year old female
Reported by a health professional (non-physician/pharmacist) from United States on 2011-12-15
Patient: 53 year old female
Reactions: Confusional State, Agitation, Hypersensitivity, Aphasia, Panic Disorder
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Morphine
Indication: Product Used FOR Unknown Indication
Start date: 2011-11-19
End date: 2011-11-19
Myoview
Dosage: 814 mbq, single dose
Indication: Abdominal Pain Upper
Start date: 2011-11-19
End date: 2011-11-19
Benadryl
Indication: Pruritus
Start date: 2011-11-19
End date: 2011-11-19
Other drugs received by patient: Technetium (Tc99m) Generator (Manf. Unknown) (Sodium Pertechnetate TC9
Possible Benadryl side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2011-12-01
Patient: female
Reactions: Confusional State, Speech Disorder, Hypersensitivity, Pruritus
Adverse event resulted in: hospitalization
Drug(s) suspected as cause:
Benadryl
Indication: Pruritus
Start date: 2011-11-19
End date: 2011-11-19
Myoview
Dosage: 925 mbq, single dose
Indication: Product Used FOR Unknown Indication
Start date: 2011-11-19
End date: 2011-11-19
Other drugs received by patient: Technetium (Tc99m) (Sodiuim Pertechnetate Tc99m)
Possible Benadryl side effects in 31 year old male
Reported by a consumer/non-health professional from United States on 2011-11-17
Patient: 31 year old male
Reactions: Asthma, Off Label Use, Hypersensitivity, Drug Ineffective FOR Unapproved Indication
Drug(s) suspected as cause:
Benadryl
Administration route: Oral
Benadryl
Dosage: once
Administration route: Oral
Indication: Hypersensitivity
Start date: 2011-11-06
Other drugs received by patient: Lantus
Possible Benadryl side effects in female
Reported by a health professional (non-physician/pharmacist) from United States on 2011-10-11
Patient: female, weighing 93.4 kg (205.5 pounds)
Reactions: Hypersensitivity, Rash
Drug(s) suspected as cause:
Effexor
Dosage: 50 mg, 2x/day
Administration route: Oral
Indication: Depression
Start date: 2010-05-01
End date: 2010-01-01
Benadryl
Dosage: unk
Indication: Dermatitis Allergic
Start date: 2010-01-01
Effexor
Dosage: unk
Start date: 2010-08-01
Other drugs received by patient: Codeine Phosphate / Paracetamol; Ambien; Folic Acid; Humira; Methotrexate; Prevacid; Xanax; Triamterene and Hydrochlorothiazide; Nexiclon XR
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