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What symptoms can Benadryl cause?

Benadryl Safety Information and Side Effects

Benadryl Safety Information



Off Label Use ( 140 reports)    ➢ More

Jaundice, Hepatic Enzyme Increased, Hepatic Pain, Renal Pain, Off Label Use

This case suggests a potential Benadryl Allergy Dye-free Off Label Use side effect(s) that can have serious consequences. A 55-year-old patient from US (weight:NA) was diagnosed with the following health condition(s): nasal congestion,multiple allergies and used Benadryl Allergy Dye-free (dosage: NA) starting Jan 11, 2014. Soon after starting Benadryl Allergy Dye-free the patient began experiencing various side effects, including:
  • Jaundice
  • Hepatic Enzyme Increased
  • Hepatic Pain
  • Renal Pain
  • Off Label Use
Drugs used concurrently:NA. Although Benadryl Allergy Dye-free demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Off Label Use, may still occur.

Dyspnoea ( 137 reports)    ➢ More

Dyspnoea, Pharyngeal Oedema, Lip Swelling, Eye Swelling, Hypersensitivity

Adverse event was reported on Oct 09, 2013 by a Female taking Benadryl Allergy Kapgels (Dosage: 1 Kapgel Once) was diagnosed with and. Location: US , 25 years of age, weighting 130.0 lb, Directly after treatment started, patient experienced the unwanted or unexpected Benadryl side effects: dyspnoea, pharyngeal oedema, lip swelling, eye swelling, hypersensitivity.

Nausea ( 100 reports)    ➢ More

Loss Of Consciousness, Convulsion, Restlessness, Tremor, Tachycardia, Hypotension, Nausea, Vomiting, Headache

This Nausea problem was reported by a health professional from US. A 32-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): anaphylactic reaction.On NS a consumer started treatment with Benadryl (dosage: Frequency Text: 25 Mg Once). The following health products were being taken at the same time:
  • Amoxil
  • Solu-medrol
  • Sus-phrine
  • Sodium Chloride
  • When commencing Benadryl, the patient experienced the following unwanted symptoms /side effects:
    • Loss Of Consciousness
    • Convulsion
    • Restlessness
    • Tremor
    • Tachycardia
    • Hypotension
    • Nausea
    • Vomiting
    • Headache
    The patient was hospitalized. Although all health products are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Nausea, may become evident only after a product is in use by the general population.

    Hypersensitivity ( 99 reports)    ➢ More

    Dyspnoea, Pharyngeal Oedema, Lip Swelling, Eye Swelling, Hypersensitivity

    A case of a 25-year-old female patient (weight: NA) from US was presented. The patient developed the following symptoms/conditions: seasonal allergy and was treated with Benadryl Allergy Kapgels (dosage: 1 Kapgel Once) starting NS. Concurrently used drugs: NA. Soon after that, the subject experienced the following of symptoms:
    • Dyspnoea
    • Pharyngeal Oedema
    • Lip Swelling
    • Eye Swelling
    • Hypersensitivity
    This opens a possibility that Benadryl Allergy Kapgels could cause Hypersensitivity and that some female subjects may be more susceptible.

    Urticaria ( 85 reports)    ➢ More

    Food Allergy, Local Swelling, Arthralgia, Off Label Use, Urticaria, Diarrhoea, Dyspepsia, Headache

    on Sep 11, 2013 a Female from CA , 58 years of age, weighting 140.0 lb, was diagnosed with and was treated with Benadryl Rs Allergy 25mg Caplets. Directly after treatment started, patient experienced the unwanted or unexpected Benadryl side effects: food allergy, local swelling, arthralgia, off label use, urticaria, diarrhoea, dyspepsia, headache. Benadryl Rs Allergy 25mg Caplets dosage: 1-2 Caplets.

    Common Benadryl Side Effects

    Click to view detailed reports:

    Off Label Use (140)
    Dyspnoea (137)
    Nausea (100)
    Hypersensitivity (99)
    Urticaria (85)
    Somnolence (78)
    Dizziness (76)
    Vomiting (75)
    Loss Of Consciousness (72)
    Headache (68)
    Rash (68)
    Pruritus (67)
    Pain (66)
    Overdose (63)
    Product Quality Issue (61)
    Condition Aggravated (56)
    Insomnia (50)
    Feeling Abnormal (49)
    Heart Rate Increased (49)
    Hallucination (48)
    Infusion Related Reaction (46)
    Anxiety (46)
    Tremor (45)
    Fatigue (45)
    Diarrhoea (43)
    Convulsion (42)
    Malaise (38)
    Pyrexia (38)
    Erythema (38)
    Blood Pressure Increased (37)
    Swelling Face (37)
    Asthenia (37)
    Pharyngeal Oedema (35)
    Throat Tightness (34)
    Dehydration (32)
    Chest Pain (31)
    Swollen Tongue (30)
    Cough (30)
    Pain In Extremity (30)
    Chest Discomfort (29)
    Oedema Peripheral (29)
    Hypoaesthesia (29)
    Incorrect Dose Administered (28)
    Abdominal Pain Upper (27)
    Eye Swelling (27)
    Flushing (26)
    Fall (26)
    Confusional State (25)
    Chills (24)
    Depression (24)

    ➢ More



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    Benadryl Forum

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