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Benadryl Diarrhoea Side Effects

Benadryl Diarrhoea Side Effect Reports


The following Benadryl Diarrhoea side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Diarrhoea, 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.



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

This Diarrhoea side effect was reported by a consumer or non-health professional from CA. A 58-year-old female patient (weight:NA) experienced the following symptoms/conditions: allergy to arthropod sting. The patient was prescribed Benadryl Rs Allergy 25mg Caplets (dosage: 1-2 Caplets), which was started on Aug 12, 2013. Concurrently used drugs: NA. When starting to take Benadryl Rs Allergy 25mg Caplets the consumer reported the following symptoms:
  • Food Allergy
  • Local Swelling
  • Arthralgia
  • Off Label Use
  • Urticaria
  • Diarrhoea
  • Dyspepsia
  • Headache
These side effects may potentially be related to Benadryl Rs Allergy 25mg Caplets.
Hypersensitivity, Abdominal Pain, Diarrhoea, Pollakiuria

This Diarrhoea Benadryl side effect was reported by a consumer or non-health professional from US on Dec 07, 2012. A Female , 57 years of age, weighting 267.0 lb, was treated with Benadryl. The patient presented the following health conditions:
  • Hypersensitivity
  • Abdominal Pain
  • Diarrhoea
  • Pollakiuria
. Benadryl dosage: NA. Additional drugs used at the same time: NA. The patient was hospitalized.
Headache, Tachycardia, Soft Tissue Inflammation, Diarrhoea, Ileus, Pneumonia, Depression, Osteopenia, Blood Magnesium Decreased

This is a Benadryl ^pfizer Warner-lambert^ side effect report of a female patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: NA, who was treated with Benadryl ^pfizer Warner-lambert^ (dosage:NA, start time: Jan 01, 1995), combined with:
  • Tagamet
  • Morphine Sulfate
  • Taxol
  • Uro-mag
  • Calcium With Vitamin D
  • Prozac
  • Potassium Chloride
  • Temazepam
, and developed a serious reaction and a Diarrhoea side effect. The patient presented with:
  • Headache
  • Tachycardia
  • Soft Tissue Inflammation
  • Diarrhoea
  • Ileus
  • Pneumonia
  • Depression
  • Osteopenia
  • Blood Magnesium Decreased
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 ^pfizer Warner-lambert^ treatment in female patients suffering from NA, resulting in Diarrhoea.

Renal Failure Acute, Dehydration, Diarrhoea

A 73-year-old female patient (weight: NA) from UNITED STATES with the following symptoms: NA started Benadryl treatment (dosage: NA) on Jan 31, 2012. Soon after starting Benadryl treatment, the consumer experienced several side effects, including:
  • Renal Failure Acute
  • Dehydration
  • Diarrhoea
. Concurrently used drugs:
  • Depo-medrol
  • Multihance (Given At Around 20:14)
The patient was hospitalized. This finding indicates that some patients can be more vulnerable to developing Benadryl side effects, such as Diarrhoea.
Paraesthesia, Dizziness, Diarrhoea, Pain, Dyspnoea, Rash, Scab, Headache, Influenza Like Illness

A female patient from UNITED STATES was prescribed and started Benadryl ^ache^ (ammonium Chloride, Diphenhydramine Hydrochloride, Men on Jan 03, 2011. Patient felt the following Benadryl side effects: paraesthesia, dizziness, diarrhoea, pain, dyspnoea, rash, scab, headache, influenza like illness Additional patient health information: Female , 64 years of age, The consumer reported the following symptoms: . Benadryl ^ache^ (ammonium Chloride, Diphenhydramine Hydrochloride, Men dosage: NA. Concurrently used drugs:
  • Gammagard
  • Extavia (0.062 Mg, Qod, Subcutaneous)
  • Acetaminophen
Nausea, Abdominal Pain Upper, Vomiting, Influenza Like Illness, Diarrhoea, Back Pain

This report suggests a potential Benadryl Diarrhoea side effect(s) that can have serious consequences. A female patient from CANADA (weight:NA) was diagnosed with the following health condition(s): NA and used Benadryl (dosage: NA) starting Feb 13, 2012. Soon after starting Benadryl the patient began experiencing various side effects, including:
  • Nausea
  • Abdominal Pain Upper
  • Vomiting
  • Influenza Like Illness
  • Diarrhoea
  • Back Pain
Drugs used concurrently:
  • Tylenol-500
  • Synthroid
  • Remicade
  • Remicade
The patient was hospitalized. Although Benadryl demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Diarrhoea, may still occur.
Abnormal Dreams, Stress, Mood Altered, Feeling Abnormal, Flatulence, Diarrhoea, Malaise

An adverse event was reported by a consumer or non-health professional on Mar 04, 2012 by a Female taking Benadryl (dosage: NA) was diagnosed with and. Location: UNITED STATES , weighting 175.0 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Benadryl side effects: abnormal dreams, stress, mood altered, feeling abnormal, flatulence, diarrhoea, malaise. Additional medications/treatments:
Nausea, Myalgia, Alopecia, Vision Blurred, Off Label Use, Bedridden, Insomnia, Diarrhoea, Vomiting

This Diarrhoea problem was reported by a consumer or non-health professional from UNITED STATES. A 43-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): swelling face.On Jan 02, 2012 a consumer started treatment with Benadryl (dosage: NA). The following drugs/medications were being taken at the same time:
  • Bactrim
When commencing Benadryl, the patient experienced the following unwanted symptoms /side effects:
  • Nausea
  • Myalgia
  • Alopecia
  • Vision Blurred
  • Off Label Use
  • Bedridden
  • Insomnia
  • Diarrhoea
  • Vomiting
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Diarrhoea, may become evident only after a product is in use by the general population.
Dehydration, Diarrhoea, Renal Failure Acute

This is a Benadryl side effect report of a 73-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 Jan 31, 2012. Concurrently used drugs:
  • Depo-medrol
  • Multihance (Given At Around 20:14)
Soon after that, the consumer experienced the following of symptoms:
  • Dehydration
  • Diarrhoea
  • Renal Failure Acute
The patient was hospitalized. This opens a possibility that Benadryl could cause Diarrhoea and that some female patients may be more susceptible.
Abdominal Pain Upper, Diarrhoea, Vomiting, Pain In Extremity, Nausea, Convulsion, Sickle Cell Anaemia With Crisis

This Diarrhoea side effect was reported by a consumer or non-health professional from UNITED STATES on Nov 09, 2011. A female patient from UNITED STATES , weighting 121.3 lb, was treated with Benadryl. Directly after treatment started, patient experienced the unwanted or unexpected Benadryl side effects: abdominal pain upper, diarrhoea, vomiting, pain in extremity, nausea, convulsion, sickle cell anaemia with crisis. Benadryl dosage: 50 Mg, Prn.
Associated medications used:
  • Diphenhydramine Hcl (Unk)
  • Exjade (1000 Mg, Daily)
  • Exjade
  • Oxycontin (160 Mg,)
  • Folic Acid (Unk)
  • Elavil
  • Topamax (Unk)
  • Aspirin (Unk)
The patient was hospitalized. These side effects may potentially be related to Benadryl.
Dehydration, Diarrhoea, Renal Failure Acute

This Diarrhoea side effect was reported by a health professional from UNITED STATES. A 73-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Benadryl (dosage: NA), which was started on Jan 31, 2012. Concurrently used drugs:
  • Depo-medrol
  • Multihance
When starting to take Benadryl the consumer reported the following symptoms:
  • Dehydration
  • Diarrhoea
  • Renal Failure Acute
The patient was hospitalized. These side effects may potentially be related to Benadryl.
Dehydration, Fall, Laceration, Aphagia, Clostridial Infection, Breast Cancer, Contusion, Abdominal Pain, Diarrhoea

This Diarrhoea Benadryl side effect was reported by a physician from UNITED STATES on Nov 03, 2011. A Female , weighting 190.2 lb, was diagnosed with and was treated with Benadryl. The patient presented the following health conditions:
  • Dehydration
  • Fall
  • Laceration
  • Aphagia
  • Clostridial Infection
  • Breast Cancer
  • Contusion
  • Abdominal Pain
  • Diarrhoea
. Benadryl dosage: NA. Additional drugs used at the same time:
  • Prilosec
  • Cozaar
  • Propranolol
  • Hydrochlorothiazide
  • Humira
  • Humira
  • Tylenol-500 (1000 Mg Twice A Day)
  • Taclonex
The patient was hospitalized.
Diarrhoea

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:Unk Unk, Once, start time: Feb 10, 2011), combined with:
  • Aleve (caplet) (2 Df, Bid)
  • Aspirin (2 Df, Once)
, and developed a serious reaction and a Diarrhoea side effect. The patient presented with:
  • Diarrhoea
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Benadryl treatment in patients suffering from NA, resulting in Diarrhoea.
Maternal Exposure During Pregnancy, Abdominal Pain, Muscle Spasms, Nephrolithiasis, Haemorrhage, Nausea, Diarrhoea

A female patient (weight: NA) from UNITED STATES with the following symptoms: multiple allergies started Benadryl treatment (dosage: NA) on May 16, 2011. Soon after starting Benadryl treatment, the consumer experienced several side effects, including:
  • Maternal Exposure During Pregnancy
  • Abdominal Pain
  • Muscle Spasms
  • Nephrolithiasis
  • Haemorrhage
  • Nausea
  • Diarrhoea
. Concurrently used drugs:
  • Symbicort
  • Hydrochlorothiazide
  • Seroquel
  • Ibuprofen
  • Ventolin
  • Lansoprazole
  • Lisinopril And Hydrochlorothiazide (20/12.5mg Daily)
  • Extra Strength Tylenol (1000 Mg Once Every 4-6 Hours)
This finding indicates that some patients can be more vulnerable to developing Benadryl side effects, such as Diarrhoea.
Malignant Melanoma, Diarrhoea, Dehydration

A patient from INDIA was prescribed and started Benadryl on Aug 16, 2011. After Benadryl was administered, patient encountered several Benadryl side effects: malignant melanoma, diarrhoea, dehydration Additional patient health information: male , 62 years of age, The consumer reported the following symptoms: was diagnosed with and. Benadryl dosage: NA. Concurrently used drugs:
  • Oxycodone Hcl
The patient was hospitalized.
Stress, Diarrhoea, Headache, Anxiety, Migraine, Full Blood Count Decreased

This report suggests a potential Benadryl Diarrhoea side effect(s) that can have serious consequences. A 40-year-old female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): NA and used Benadryl (dosage: NA) starting Jul 01, 2011. Soon after starting Benadryl the patient began experiencing various side effects, including:
  • Stress
  • Diarrhoea
  • Headache
  • Anxiety
  • Migraine
  • Full Blood Count Decreased
Drugs used concurrently:
  • Solu-medrol
  • Azathioprine
  • Remicade
Although Benadryl demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Diarrhoea, may still occur.
Feeling Abnormal, Blister, Rash, Pruritus, Pain, Diarrhoea, Depression

An adverse event was reported by a consumer or non-health professional on Jul 11, 2011 by a male taking Benadryl (dosage: Unk) was diagnosed with and. Location: UNITED STATES , weighting 140.0 lb, patient began experiencing various side effects, including: Patient felt the following Benadryl side effects: feeling abnormal, blister, rash, pruritus, pain, diarrhoea, depression. Additional medications/treatments:
Multiple prescriptions taken:
  • Neurontin (Unk)
  • Lamictal (Unk)
Constipation, Asthenia, Oedema, Hyponatraemia, Hepatorenal Syndrome, Diarrhoea, Neoplasm Malignant, Vision Blurred

This Diarrhoea problem was reported by a health professional from UNITED STATES. A 73-year-old patient (weight: NA) was diagnosed with the following medical condition(s): NA.On May 11, 2011 a consumer started treatment with Benadryl (dosage: NA). The following drugs/medications were being taken at the same time:
  • Steroids
  • Yervoy
When commencing Benadryl, the patient experienced the following unwanted symptoms /side effects:
  • Constipation
  • Asthenia
  • Oedema
  • Hyponatraemia
  • Hepatorenal Syndrome
  • Diarrhoea
  • Neoplasm Malignant
  • Vision Blurred
The patient was hospitalized. Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Diarrhoea, may become evident only after a product is in use by the general population.
Renal Embolism, Thrombotic Thrombocytopenic Purpura, Vomiting, Emotional Disorder, Renal Failure Acute, Pain, Diarrhoea, Nausea, Mental Disorder

This is a Benadryl side effect report of a 35-year-old female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: multiple allergies and was treated with Benadryl (dosage: NA) starting NS. Concurrently used drugs:
  • Flonase
  • Uncodeable ^unclassifiable^
  • Fluticasone Propionate
  • Yasmin
  • Bismuth Subsalicylate
  • Advil Liqui-gels
  • Mucinex
Soon after that, the consumer experienced the following of symptoms:
  • Renal Embolism
  • Thrombotic Thrombocytopenic Purpura
  • Vomiting
  • Emotional Disorder
  • Renal Failure Acute
  • Pain
  • Diarrhoea
  • Nausea
  • Mental Disorder
This opens a possibility that Benadryl could cause Diarrhoea and that some female patients may be more susceptible.
Convulsion, Diarrhoea, Vomiting, Abdominal Pain Upper, Sickle Cell Anaemia With Crisis, Nausea

This Diarrhoea side effect was reported by a consumer or non-health professional from UNITED STATES on Jun 08, 2011. A female patient from UNITED STATES , weighting 121.1 lb, was treated with Benadryl. Patient felt the following Benadryl side effects: convulsion, diarrhoea, vomiting, abdominal pain upper, sickle cell anaemia with crisis, nausea. Benadryl dosage: NA.
Multiple prescriptions taken:
  • Oxycontin
  • Dilaudid
  • Keppra
  • Elavil
  • Exjade (1000 Mg, Daily)
  • Exjade
  • Zofran
  • Folic Acid
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 Diarrhoea Causes and Reviews


What is diarrhea?

Diarrhea is loose, watery stools (bowel movements). You have diarrhea if you have loose stools three or more times in one day. Acute diarrhea is diarrhea that lasts a short time. It is a common problem. It usually lasts about one or two days, but it may last longer. Then it goes away on its own.

Diarrhea lasting more than a few days may be a sign of a more serious problem. Chronic diarrhea -- diarrhea that lasts at least four weeks -- can be a symptom of a chronic disease. Chronic diarrhea symptoms may be continual, or they may come and go.

Who gets diarrhea?

People of all ages can get diarrhea. On average, adults In the United States have acute diarrhea once a year. Young children have it an average of twice a year.

People who visit developing countries are at risk for traveler's diarrhea. It is caused by consuming contaminated food or water.

What causes diarrhea?

The most common causes of diarrhea include

  • Bacteria from contaminated food or water
  • Viruses such as the flu, norovirus, or rotavirus . Rotavirus is the most common cause of acute diarrhea in children.
  • Parasites, which are tiny organisms found in contaminated food or water
  • Medicines such as antibiotics, cancer drugs, and antacids that contain magnesium
  • Food intolerances and sensitivities, which are problems digesting certain ingredients or foods. An example is lactose intolerance.
  • Diseases that affect the stomach, small intestine, or colon, such as Crohn's disease
  • Problems with how the colon functions, such as irritable bowel syndrome

Some people also get diarrhea after stomach surgery, because sometimes the surgeries can cause food to move through your digestive system more quickly.

Sometimes no cause can be found. If your diarrhea goes away within a few days, finding the cause is usually not necessary.

What other symptoms might I have with diarrhea?

Other possible symptoms of diarrhea include

  • Cramps or pain in the abdomen
  • An urgent need to use the bathroom
  • Loss of bowel control

If a virus or bacteria is the cause of your diarrhea, you may also have a fever, chills, and bloody stools.

Diarrhea can cause dehydration, which means that your body does not have enough fluid to work properly. Dehydration can be serious, especially for children, older adults, and people with weakened immune systems.

When should I see a doctor for diarrhea?

Although it is usually not harmful, diarrhea can become dangerous or signal a more serious problem. Contact your health care provider if you have

  • Signs of dehydration
  • Diarrhea for more than 2 days, if you are an adult. For children, contact the provider if it lasts more than 24 hours.
  • Severe pain in your abdomen or rectum (for adults)
  • A fever of 102 degrees or higher
  • Stools containing blood or pus
  • Stools that are black and tarry

If children have diarrhea, parents or caregivers should not hesitate to call a health care provider. Diarrhea can be especially dangerous in newborns and infants.

How is the cause of diarrhea diagnosed?

To find the cause of diarrhea, your health care provider may

  • Do a physical exam
  • Ask about any medicines you are taking
  • Test your stool or blood to look for bacteria, parasites, or other signs of disease or infection
  • Ask you to stop eating certain foods to see whether your diarrhea goes away

If you have chronic diarrhea, your health care provider may perform other tests to look for signs of disease.

What are the treatments for diarrhea?

Diarrhea is treated by replacing lost fluids and electrolytes to prevent dehydration. Depending on the cause of the problem, you may need medicines to stop the diarrhea or treat an infection.

Adults with diarrhea should drink water, fruit juices, sports drinks, sodas without caffeine, and salty broths. As your symptoms improve, you can eat soft, bland food.

Children with diarrhea should be given oral rehydration solutions to replace lost fluids and electrolytes.

Can diarrhea be prevented?

Two types of diarrhea can be prevented - rotavirus diarrhea and traveler's diarrhea. There are vaccines for rotavirus. They are given to babies in two or three doses.

You can help prevent traveler's diarrhea by being careful about what you eat and drink when you are in developing countries:

  • Use only bottled or purified water for drinking, making ice cubes, and brushing your teeth
  • If you do use tap water, boil it or use iodine tablets
  • Make sure that the cooked food you eat is fully cooked and served hot
  • Avoid unwashed or unpeeled raw fruits and vegetables

NIH: National Institute of Diabetes and Digestive and Kidney Diseases


Benadryl Diarrhoea 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 (183)
Dyspnoea (162)
Nausea (142)
Hypersensitivity (139)
Urticaria (126)
Somnolence (119)
Vomiting (116)
Loss Of Consciousness (113)
Rash (110)
Pain (109)
Pruritus (108)
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)
Infusion Related Reaction (46)
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)
Chest Discomfort (29)
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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