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Benadryl Heart Rate Increased Side Effects

Benadryl Heart Rate Increased Side Effect Reports


The following Benadryl Heart Rate Increased side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Heart Rate Increased, can occur, and what you can do about them.

A side effect could appear soon after you start Benadryl or it might take time to develop.



Unevaluable Event, Delusion, Heart Rate Increased

This Heart Rate Increased side effect was reported by a health professional from CA. A 16-year-old patient (weight:NA) experienced the following symptoms/conditions: euphoric mood. The patient was prescribed Benadryl (dosage: NA), which was started on Sep 20, 2013. Concurrently used drugs: NA. When starting to take Benadryl the consumer reported the following symptoms:
  • Unevaluable Event
  • Delusion
  • Heart Rate Increased
These side effects may potentially be related to Benadryl.
Heart Rate Increased

This Heart Rate Increased Benadryl side effect was reported by a physician from US on Oct 01, 2013. A Female , weighting 108.4 lb, was treated with Benadryl. The patient presented the following health conditions:
  • Heart Rate Increased
. Benadryl dosage: NA. Additional drugs used at the same time: NA.
Heart Rate Increased, Off Label Use, Product Formulation Issue

This is a Benadryl side effect report of a 68-year-old female patient (weight:NA) from US, suffering from the following symptoms/conditions: NA, who was treated with Benadryl (dosage:NA, start time: 1992), combined with:
  • Aspirin
  • Folic Acid
, and developed a serious reaction and a Heart Rate Increased side effect. The patient presented with:
  • Heart Rate Increased
  • Off Label Use
  • Product Formulation Issue
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Benadryl treatment in female patients suffering from NA, resulting in Heart Rate Increased.

Heart Rate Increased, Cold Sweat, Dizziness

A 23-year-old female patient (weight: NA) from US with the following symptoms: seasonal allergy started Benadryl Allergy treatment (dosage: NA) on Apr 18, 2011. Soon after starting Benadryl Allergy treatment, the consumer experienced several side effects, including:
  • Heart Rate Increased
  • Cold Sweat
  • Dizziness
. Concurrently used drugs:
  • Multivitamins
  • Trimethoprim
The patient was hospitalized. This finding indicates that some patients can be more vulnerable to developing Benadryl Allergy side effects, such as Heart Rate Increased.
Tinnitus, Dyspnoea, Erythema, Burning Sensation, Swelling Face, Heart Rate Increased, Off Label Use, Therapeutic Response Unexpected

A female patient from US was prescribed and started Benadryl Allergy Ultratab on Sep 11, 2012. Patient felt the following Benadryl side effects: tinnitus, dyspnoea, erythema, burning sensation, swelling face, heart rate increased, off label use, therapeutic response unexpected Additional patient health information: Female , 55 years of age, weighting 125.0 lb, The consumer reported the following symptoms: was diagnosed with and. Benadryl Allergy Ultratab dosage: NA. Concurrently used drugs:
  • Diovan Hct
  • Diltiazem
  • Xanax
  • Dexilant
  • Hydrocodone
  • Oxygen
Meningioma, Motion Sickness, Blood Calcium Increased, Dry Mouth, Decreased Appetite, Renal Impairment, Tremor, Heart Rate Increased, Musculoskeletal Stiffness

This report suggests a potential Benadryl Heart Rate Increased side effect(s) that can have serious consequences. A 52-year-old female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): NA and used Benadryl (dosage: NA) starting Jan 10, 2008. Soon after starting Benadryl the patient began experiencing various side effects, including:
  • Meningioma
  • Motion Sickness
  • Blood Calcium Increased
  • Dry Mouth
  • Decreased Appetite
  • Renal Impairment
  • Tremor
  • Heart Rate Increased
  • Musculoskeletal Stiffness
Drugs used concurrently:
  • Toradol
  • Symbicort (160/4.5, Two Puffs, Bid)
  • Voltarine
  • Cefepime
  • Prednisone
  • Fiorinal
  • Albuterol (2 Puffs As Needed)
  • Motrin
Although Benadryl demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Heart Rate Increased, may still occur.
Heart Rate Increased, Hypersensitivity

An adverse event was reported by a health professional on Aug 17, 2011 by a Female taking Benadryl (dosage: NA) . Location: UNITED STATES , 44 years of age, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Benadryl side effects: heart rate increased, hypersensitivity. Additional medications/treatments:
Associated medications used:
  • Tysabri
Heart Rate Increased, Gait Disturbance, Anxiety, Hypersensitivity

This Heart Rate Increased problem was reported by a consumer or non-health professional from UNITED STATES. A 47-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On Jul 13, 2011 a consumer started treatment with Benadryl (dosage: NA). The following drugs/medications were being taken at the same time:
  • Xanax
  • Pristiq
When commencing Benadryl, the patient experienced the following unwanted symptoms /side effects:
  • Heart Rate Increased
  • Gait Disturbance
  • Anxiety
  • Hypersensitivity
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Heart Rate Increased, may become evident only after a product is in use by the general population.
Heart Rate Increased, Urticaria

This is a Benadryl side effect report of a 44-year-old female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: NA and was treated with Benadryl (dosage: NA) starting Apr 29, 2011. Concurrently used drugs:
  • Tysabri
Soon after that, the consumer experienced the following of symptoms:
  • Heart Rate Increased
  • Urticaria
This opens a possibility that Benadryl could cause Heart Rate Increased and that some female patients may be more susceptible.
Infusion Related Reaction, Chills, Heart Rate Increased, Oxygen Saturation Decreased

This Heart Rate Increased side effect was reported by a health professional from UNITED STATES on Jun 08, 2011. A female patient from UNITED STATES , weighting 117.0 lb, was treated with Benadryl. Directly after treatment started, patient experienced the unwanted or unexpected Benadryl side effects: infusion related reaction, chills, heart rate increased, oxygen saturation decreased. Benadryl dosage: NA.
Associated medications used:
  • Ms Contin
  • Remicade
  • Remicade (2nd Dose)
  • Methotrexate
  • Norco (10/325 - 2 Tabs Every 6 Hrs Prn)
  • Aspirin
  • Elavil
  • Solu-medrol
These side effects may potentially be related to Benadryl.
Dyspnoea, Heart Rate Increased, Dizziness

This Heart Rate Increased side effect was reported by a consumer or non-health professional from UNITED STATES. A 2-year-old patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Benadryl (dosage: NA), which was started on NS. Concurrently used drugs: NA. When starting to take Benadryl the consumer reported the following symptoms:
  • Dyspnoea
  • Heart Rate Increased
  • Dizziness
These side effects may potentially be related to Benadryl.
Dyspnoea, Flushing, Chest Pain, Pain In Extremity, Heart Rate Increased, Tremor, Back Pain, Arthralgia, Blood Pressure Increased

This Heart Rate Increased Benadryl side effect was reported by a consumer or non-health professional from CANADA on Apr 14, 2011. A male , 51 years of age, weighting 178.6 lb, was treated with Benadryl. The patient presented the following health conditions:
  • Dyspnoea
  • Flushing
  • Chest Pain
  • Pain In Extremity
  • Heart Rate Increased
  • Tremor
  • Back Pain
  • Arthralgia
  • Blood Pressure Increased
. Benadryl dosage: NA. Additional drugs used at the same time:
  • Remicade
  • Acetaminophen
  • Remicade
  • Hydrocortisone
Erythema, Heart Rate Increased, Body Temperature Increased, Hypersensitivity, Urticaria

This is a Benadryl side effect report of a patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: NA, who was treated with Benadryl (dosage:NA, start time: Feb 01, 2011), combined with:
  • Treanda
  • Aloxi
  • Treanda
  • Treanda
  • Rituximab
  • Rituximab
  • Emend
, and developed a serious reaction and a Heart Rate Increased side effect. The patient presented with:
  • Erythema
  • Heart Rate Increased
  • Body Temperature Increased
  • Hypersensitivity
  • Urticaria
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Benadryl treatment in patients suffering from NA, resulting in Heart Rate Increased.
Heart Rate Increased, Dyspnoea, Infusion Related Reaction, Pharyngitis Streptococcal, Urticaria, Rash Erythematous, Throat Tightness

A patient (weight: NA) from UNITED STATES with the following symptoms: NA started Benadryl treatment (dosage: NA) on NS. Soon after starting Benadryl treatment, the consumer experienced several side effects, including:
  • Heart Rate Increased
  • Dyspnoea
  • Infusion Related Reaction
  • Pharyngitis Streptococcal
  • Urticaria
  • Rash Erythematous
  • Throat Tightness
. Concurrently used drugs:
  • Remicade
  • Remicade
  • Amoxicillin
  • Acetaminophen
This finding indicates that some patients can be more vulnerable to developing Benadryl side effects, such as Heart Rate Increased.
Dyspnoea, Nausea, Anaphylactic Reaction, Vomiting, Pharyngeal Oedema, Flushing, Heart Rate Increased, Respiratory Rate Increased

A female patient from UNITED STATES was prescribed and started Benadryl on Jan 24, 2011. After Benadryl was administered, patient encountered several Benadryl side effects: dyspnoea, nausea, anaphylactic reaction, vomiting, pharyngeal oedema, flushing, heart rate increased, respiratory rate increased Additional patient health information: Female , 17 years of age, weighting 176.4 lb, The consumer reported the following symptoms: . Benadryl dosage: NA. Concurrently used drugs:
  • Tylenol-500
  • Anakinra
  • Tocilizumab (Rate Reduced To 50%; At Half The Suggested Rate.)
  • Tocilizumab (Rate Reduced To 1/10th; Form: Infusion)
  • Tocilizumab
  • Methotrexate
  • Prednisone
  • Folic Acid
The patient was hospitalized.
Anxiety, Blood Pressure Increased, Dyspnoea, Heart Rate Increased, Oropharyngeal Spasm

This report suggests a potential Benadryl Heart Rate Increased side effect(s) that can have serious consequences. A 38-year-old female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): hypersensitivity and used Benadryl (dosage: 50mg One Time Dose Iv) starting Dec 18, 2010. Soon after starting Benadryl the patient began experiencing various side effects, including:
  • Anxiety
  • Blood Pressure Increased
  • Dyspnoea
  • Heart Rate Increased
  • Oropharyngeal Spasm
Drugs used concurrently:NA. Although Benadryl demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Heart Rate Increased, may still occur.
Frequent Bowel Movements, Hallucination, Heart Rate Increased

An adverse event was reported by a consumer or non-health professional on Oct 22, 2010 by a male taking Benadryl (dosage: Text:recommended Dosage Once Or Twice Daily) was diagnosed with and. Location: AUSTRALIA , child 8 years of age, patient began experiencing various side effects, including: Patient felt the following Benadryl side effects: frequent bowel movements, hallucination, heart rate increased. Additional medications/treatments:
Heart Rate Increased, Off Label Use, Palpitations

This Heart Rate Increased problem was reported by a consumer or non-health professional from UNITED STATES. A 65-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): sleep disorder,panic attack.On NS a consumer started treatment with Benadryl (dosage: Text:one 25mg At Night). The following drugs/medications were being taken at the same time:
  • Cymbalta (Text:60 Mg One Daily)
When commencing Benadryl, the patient experienced the following unwanted symptoms /side effects:
  • Heart Rate Increased
  • Off Label Use
  • Palpitations
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Heart Rate Increased, may become evident only after a product is in use by the general population.
Abasia, Chest Pain, Dizziness, Heart Rate Increased, Malaise, Nausea, Off Label Use, Vision Blurred, Vomiting

This is a Benadryl side effect report of a 40-year-old female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: sleep disorder and was treated with Benadryl (dosage: Text:two Pills 1x Per Day) starting Mar 25, 2010. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Abasia
  • Chest Pain
  • Dizziness
  • Heart Rate Increased
  • Malaise
  • Nausea
  • Off Label Use
  • Vision Blurred
  • Vomiting
The patient was hospitalized. This opens a possibility that Benadryl could cause Heart Rate Increased and that some female patients may be more susceptible.
Abasia, Chest Pain, Dizziness, Heart Rate Increased, Malaise, Nausea, Off Label Use, Vision Blurred, Vomiting

This Heart Rate Increased side effect was reported by a consumer or non-health professional from UNITED STATES on May 26, 2010. A female patient from UNITED STATES , 40 years of age, weighting 128.1 lb, was diagnosed with and was treated with Benadryl. Patient felt the following Benadryl side effects: abasia, chest pain, dizziness, heart rate increased, malaise, nausea, off label use, vision blurred, vomiting. Benadryl dosage: Text:two Pills 1x Per Day. The patient was hospitalized. These side effects may potentially be related to Benadryl.
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DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Benadryl Heart Rate Increased Causes and Reviews


An arrhythmia is a problem with the rate or rhythm of your heartbeat. It means that your heart beats too quickly, too slowly, or with an irregular pattern. When the heart beats faster than normal, it is called tachycardia. When the heart beats too slowly, it is called bradycardia. The most common type of arrhythmia is atrial fibrillation, which causes an irregular and fast heart beat.

Many factors can affect your heart's rhythm, such as having had a heart attack, smoking, congenital heart defects, and stress. Some substances or medicines may also cause arrhythmias.

Symptoms of arrhythmias include

  • Fast or slow heart beat
  • Skipping beats
  • Lightheadedness or dizziness
  • Chest pain
  • Shortness of breath
  • Sweating

Your doctor can run tests to find out if you have an arrhythmia. Treatment to restore a normal heart rhythm may include medicines, an implantable cardioverter-defibrillator (ICD) or pacemaker, or sometimes surgery.

NIH: National Heart, Lung, and Blood Institute


Benadryl Heart Rate Increased Reviews

Sun, 04 Sep 2011

Can I die from taking this many. Is it physicly addicting? Sorry about my spelling.

Mon, 18 Jul 2011

I loved these strips. I have had allergic reactions to my own allergy shots. After waiting at the Dr.'s office for 15 minutes after my allergy shot, I leave to go shopping. Sometimes I can feel a little thickening in my throat, similar to when I've had a really bad reaction and had to go to the ER for help, or went back to the Dr.'s office for a shot of epinepherine. When I feel just a small reaction beginning, I have put one of the Benadryl Quick Dissolve Strips on my tongue. I get a pretty fast result and I can continue shopping rather than worrying about a worse reaction.

Now, when I went to buy more of this product, it isn't available at any local stores, or on line at safe sites. Each store tells me that people are coming in and wanting them and getting upset when they can't find them.

Why were these strips taken off the market?

Sun, 21 Mar 2010
Does taking too much Benadryl cause a person to fall asleep and not wake up?
Wed, 01 Sep 2010
It was given to me in a hospital through emergency room, for nauseau. Nusrse said that they use it for that as well. Is true and can it be usedat home for the same?
Thu, 24 Mar 2011
My son is allergic to children's Benadryl. It causes him to develop eye infections (conjunctivitus).
Sat, 30 Apr 2011
I've noticed that it when I am with my partner it makes me sensitive, but I am not able to be aroused. Is anyone else having the same issue. I've been taking it for alergies since I was a teenager. Its the only thing that has ever worked for me.
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Benadryl Side Effects

Off Label Use (181)
Dyspnoea (162)
Nausea (142)
Hypersensitivity (139)
Urticaria (126)
Somnolence (119)
Vomiting (116)
Loss Of Consciousness (113)
Rash (110)
Pain (109)
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Headache (108)
Overdose (105)
Dizziness (102)
Product Quality Issue (102)
Insomnia (96)
Heart Rate Increased (86)
Hallucination (80)
Feeling Abnormal (79)
Condition Aggravated (78)
Anxiety (46)
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Tremor (45)
Fatigue (45)
Diarrhoea (43)
Convulsion (42)
Erythema (38)
Malaise (38)
Pyrexia (38)
Asthenia (37)
Swelling Face (37)
Blood Pressure Increased (37)
Pharyngeal Oedema (35)
Throat Tightness (34)
Dehydration (32)
Chest Pain (31)
Swollen Tongue (30)
Pain In Extremity (30)
Cough (30)
Oedema Peripheral (29)
Hypoaesthesia (29)
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Incorrect Dose Administered (28)
Abdominal Pain Upper (27)
Eye Swelling (27)
Flushing (26)
Fall (26)
Confusional State (25)
Lip Swelling (24)
Syncope (24)

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