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Benefiber Side Effects

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Common Benefiber Side Effects


The most commonly reported Benefiber side effects (click to view or check a box to report):

Off Label Use (142)
Therapeutic Response Unexpected (62)
Incorrect Dose Administered (55)
Diarrhoea (43)
Constipation (37)
Overdose (35)
Abdominal Pain Upper (31)
Flatulence (30)
Nausea (25)
Diverticulitis (25)
Malaise (23)
Abdominal Distension (23)
Underdose (23)
Condition Aggravated (18)
Weight Decreased (18)
Vomiting (18)
Pain (15)
Dizziness (15)
Blood Glucose Increased (14)
Abdominal Pain (14)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Benefiber Side Effects Reported to FDA



Benefiber Side Effect Report#9842631
Vision Blurred, Condition Aggravated, Incorrect Dose Administered
This is a report of a 86-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: nutritional supplementation, who was treated with Benefiber W/ Wheat Dextrin (dosage: 2 To 4 Tablespoons A Day, start time: 2013), combined with:
  • Lamisil (Unk, Unk)
  • Vitamin D
  • Minerals Nos
and developed a serious reaction and side effect(s): Vision Blurred, Condition Aggravated, Incorrect Dose Administered after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Benefiber W/ Wheat Dextrin treatment in female patients, resulting in Vision Blurred side effect.
Benefiber Side Effect Report#9613501
Asthma, Swelling, Constipation, Pain, Faeces Hard
This report suggests a potential Benefiber W/ Wheat Dextrin Asthma side effect(s) that can have serious consequences. A 63-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Benefiber W/ Wheat Dextrin (dosage: 2 Tsp, Bid) starting 201309. After starting Benefiber W/ Wheat Dextrin the patient began experiencing various side effects, including: Asthma, Swelling, Constipation, Pain, Faeces HardAdditional drugs used concurrently: NA. Although Benefiber W/ Wheat Dextrin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Asthma, may still occur.
Benefiber Side Effect Report#9613500
Skin Cancer, Therapeutic Response Unexpected
This Skin Cancer problem was reported by a consumer or non-health professional from US. A 84-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: faeces hard,off label use. On 2008 this consumer started treatment with Benefiber W/ Wheat Dextrin (dosage: Unk, Unk). The following drugs were being taken at the same time: NA. When using Benefiber W/ Wheat Dextrin, the patient experienced the following unwanted symptoms/side effects: Skin Cancer, Therapeutic Response UnexpectedAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Skin Cancer, may become evident only after a product is in use by the general population.
Benefiber Side Effect Report#9510448
Hypersensitivity, Pruritus, Erythema, Fatigue, Chest Discomfort, Dyspnoea, Abdominal Pain Upper, Abdominal Distension, Irritability
This Hypersensitivity side effect was reported by a consumer or non-health professional from US. A 59-year-old female patient (weight:NA) experienced the following symptoms/conditions: prophylaxis,irritable bowel syndrome,constipation.The patient was prescribed Benefiber Fiber Supp Vit B + Folic Acid (drug dosage: 2 Tsp, Bid), which was initiated on
Aug 27, 2013. Concurrently used drugs:
  • Benefiber W/ Wheat Dextrin (3 Tsp, Tid)
  • Benefiber W/ Wheat Dextrin (2 Tsp, Bid)
.After starting to take Benefiber Fiber Supp Vit B + Folic Acid the consumer reported adverse symptoms, such as: Hypersensitivity, Pruritus, Erythema, Fatigue, Chest Discomfort, Dyspnoea, Abdominal Pain Upper, Abdominal Distension, IrritabilityThese side effects may potentially be related to Benefiber Fiber Supp Vit B + Folic Acid.
Benefiber Side Effect Report#9468967
Nephrolithiasis, Therapeutic Response Unexpected, Off Label Use
This is a report of a 52-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: constipation, who was treated with Benefiber W/ Wheat Dextrin (dosage: 1 Tsp, Qd, start time: 201305), combined with: NA. and developed a serious reaction and side effect(s): Nephrolithiasis, Therapeutic Response Unexpected, Off Label Use after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Benefiber W/ Wheat Dextrin treatment in male patients, resulting in Nephrolithiasis side effect.
Benefiber Side Effect Report#9433769
Intestinal Obstruction, Abdominal Discomfort, Diarrhoea, Malaise, Therapeutic Response Unexpected, Off Label Use, Incorrect Dose Administered
This report suggests a potential Benefiber W/ Wheat Dextrin Intestinal Obstruction side effect(s) that can have serious consequences. A 72-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: constipation prophylaxis and used Benefiber W/ Wheat Dextrin (dosage: 1 Lid Full, Bid) starting NS. After starting Benefiber W/ Wheat Dextrin the patient began experiencing various side effects, including: Intestinal Obstruction, Abdominal Discomfort, Diarrhoea, Malaise, Therapeutic Response Unexpected, Off Label Use, Incorrect Dose AdministeredAdditional drugs used concurrently: NA. Although Benefiber W/ Wheat Dextrin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Intestinal Obstruction, may still occur.
Benefiber Side Effect Report#9369749
Cataract, Blood Cholesterol Increased, Ocular Hyperaemia, Eye Pain, Headache, Constipation, Off Label Use
This Cataract problem was reported by a consumer or non-health professional from US. A 76-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: nutritional supplementation,constipation. On 2003 this consumer started treatment with Benefiber (dosage: NA). The following drugs were being taken at the same time: NA. When using Benefiber, the patient experienced the following unwanted symptoms/side effects: Cataract, Blood Cholesterol Increased, Ocular Hyperaemia, Eye Pain, Headache, Constipation, Off Label UseAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Cataract, may become evident only after a product is in use by the general population.
Benefiber Side Effect Report#9364986
Urinary Tract Infection, Depression, Abdominal Pain Upper, Flatulence, Incorrect Dose Administered
This Urinary Tract Infection side effect was reported by a consumer or non-health professional from BR. A 71-year-old female patient (weight:NA) experienced the following symptoms/conditions: gastrointestinal disorder,sedation,sjogren^s syndrome.The patient was prescribed Benefiber (drug dosage: Unk, Bid), which was initiated on NS. Concurrently used drugs:
  • Rivotril (Unk, Unk)
  • Plaquinol (Unk, Unk)
  • Olcadil (Unk, Unk)
  • Digedrat (Unk, Unk)
.After starting to take Benefiber the consumer reported adverse symptoms, such as: Urinary Tract Infection, Depression, Abdominal Pain Upper, Flatulence, Incorrect Dose AdministeredThese side effects may potentially be related to Benefiber.
Benefiber Side Effect Report#9309075
Haemorrhoids, Rash Papular, Pain, Burning Sensation, Pruritus, Rash, Off Label Use, Incorrect Dose Administered
This is a report of a 83-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: nutritional supplementation,bowel movement irregularity, who was treated with Benefiber W/ Wheat Dextrin (dosage: 1 Tablespoon, Bid, start time: 2012), combined with: NA. and developed a serious reaction and side effect(s): Haemorrhoids, Rash Papular, Pain, Burning Sensation, Pruritus, Rash, Off Label Use, Incorrect Dose Administered after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Benefiber W/ Wheat Dextrin treatment in female patients, resulting in Haemorrhoids side effect.
Benefiber Side Effect Report#9306849
Diverticulitis, Diarrhoea, Off Label Use, Underdose
This report suggests a potential Benefiber W/ Wheat Dextrin Diverticulitis side effect(s) that can have serious consequences. A 63-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: prophylaxis,nutritional supplementation and used Benefiber W/ Wheat Dextrin (dosage: 1 Tsp, Qd) starting NS. After starting Benefiber W/ Wheat Dextrin the patient began experiencing various side effects, including: Diverticulitis, Diarrhoea, Off Label Use, UnderdoseAdditional drugs used concurrently: NA. Although Benefiber W/ Wheat Dextrin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Diverticulitis, may still occur.
Benefiber Side Effect Report#9306845
Atrial Fibrillation, Therapeutic Response Unexpected, Off Label Use, Overdose
This Atrial Fibrillation problem was reported by a consumer or non-health professional from US. A 58-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: constipation. On 2008 this consumer started treatment with Benefiber W/ Wheat Dextrin (dosage: 48 To 96 Tsp, Qd). The following drugs were being taken at the same time:
  • Psyllium (Unk)
When using Benefiber W/ Wheat Dextrin, the patient experienced the following unwanted symptoms/side effects: Atrial Fibrillation, Therapeutic Response Unexpected, Off Label Use, OverdoseAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Atrial Fibrillation, may become evident only after a product is in use by the general population.
Benefiber Side Effect Report#9302021
Intervertebral Disc Disorder, Back Pain, Off Label Use, Therapeutic Response Unexpected
This Intervertebral Disc Disorder side effect was reported by a consumer or non-health professional from US. A 79-year-old male patient (weight:NA) experienced the following symptoms/conditions: bowel movement irregularity,nutritional supplementation.The patient was prescribed Benefiber Stick Packs (drug dosage: 1-2 Df, Unk), which was initiated on 201212. Concurrently used drugs: NA..After starting to take Benefiber Stick Packs the consumer reported adverse symptoms, such as: Intervertebral Disc Disorder, Back Pain, Off Label Use, Therapeutic Response UnexpectedThese side effects may potentially be related to Benefiber Stick Packs.
Benefiber Side Effect Report#9284419
Prostatomegaly, Off Label Use, Incorrect Dose Administered
This is a report of a 64-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: gastrooesophageal reflux disease, who was treated with Benefiber W/ Wheat Dextrin (dosage: 2 Tsp, Tid, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Prostatomegaly, Off Label Use, Incorrect Dose Administered after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Benefiber W/ Wheat Dextrin treatment in male patients, resulting in Prostatomegaly side effect.
Benefiber Side Effect Report#9284338
Large Intestine Polyp, Off Label Use, Therapeutic Response Unexpected
This report suggests a potential Benefiber W/ Wheat Dextrin Large Intestine Polyp side effect(s) that can have serious consequences. A 69-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: bowel movement irregularity and used Benefiber W/ Wheat Dextrin (dosage: 1 Tsp, Qd) starting 201210. After starting Benefiber W/ Wheat Dextrin the patient began experiencing various side effects, including: Large Intestine Polyp, Off Label Use, Therapeutic Response UnexpectedAdditional drugs used concurrently: NA. Although Benefiber W/ Wheat Dextrin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Large Intestine Polyp, may still occur.
Benefiber Side Effect Report#9282551
Multiple Sclerosis, Oesophageal Spasm, Muscle Spasms, Reflux Gastritis, Neuropathy Peripheral, Anxiety, Therapeutic Response Unexpected, Underdose
This Multiple Sclerosis problem was reported by a consumer or non-health professional from US. A 62-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Benefiber W/ Wheat Dextrin (dosage: 2 Df, Unk). The following drugs were being taken at the same time:
  • Dexilant
  • Miralax (Unk)
  • Stool Softener (Unk)
When using Benefiber W/ Wheat Dextrin, the patient experienced the following unwanted symptoms/side effects: Multiple Sclerosis, Oesophageal Spasm, Muscle Spasms, Reflux Gastritis, Neuropathy Peripheral, Anxiety, Therapeutic Response Unexpected, UnderdoseAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Multiple Sclerosis, may become evident only after a product is in use by the general population.
Benefiber Side Effect Report#9276998
Polyp, Off Label Use, Underdose
This Polyp side effect was reported by a consumer or non-health professional from US. A 80-year-old female patient (weight:NA) experienced the following symptoms/conditions: medical diet,bowel movement irregularity.The patient was prescribed Benefiber Sugar Free (drug dosage: 1-2 Df, Qhs), which was initiated on NS. Concurrently used drugs: NA..After starting to take Benefiber Sugar Free the consumer reported adverse symptoms, such as: Polyp, Off Label Use, UnderdoseThese side effects may potentially be related to Benefiber Sugar Free.
Benefiber Side Effect Report#9274335
Upper Limb Fracture, Fall, Herpes Zoster, Influenza, Off Label Use
This is a report of a 64-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Benefiber Sugar Free (dosage: 3 Df, Qd, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Upper Limb Fracture, Fall, Herpes Zoster, Influenza, Off Label Use after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Benefiber Sugar Free treatment in female patients, resulting in Upper Limb Fracture side effect.
Benefiber Side Effect Report#9272204
Diabetes Mellitus, Bowel Movement Irregularity, Off Label Use, Incorrect Dose Administered
This report suggests a potential Benefiber W/ Wheat Dextrin Diabetes Mellitus side effect(s) that can have serious consequences. A 68-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: dyspepsia,bowel movement irregularity and used Benefiber W/ Wheat Dextrin (dosage: 3 Tsp, Qd) starting NS. After starting Benefiber W/ Wheat Dextrin the patient began experiencing various side effects, including: Diabetes Mellitus, Bowel Movement Irregularity, Off Label Use, Incorrect Dose AdministeredAdditional drugs used concurrently: NA. Although Benefiber W/ Wheat Dextrin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Diabetes Mellitus, may still occur.
Benefiber Side Effect Report#9268556
Diverticulitis, Polyp, Abdominal Pain Upper, Therapeutic Response Unexpected, Off Label Use
This Diverticulitis problem was reported by a consumer or non-health professional from US. A 68-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: nutritional supplementation,bowel movement irregularity. On NS this consumer started treatment with Benefiber Plus Calcium With Wheat Dextrin (dosage: 3 Df, Qd). The following drugs were being taken at the same time: NA. When using Benefiber Plus Calcium With Wheat Dextrin, the patient experienced the following unwanted symptoms/side effects: Diverticulitis, Polyp, Abdominal Pain Upper, Therapeutic Response Unexpected, Off Label UseAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Diverticulitis, may become evident only after a product is in use by the general population.
Benefiber Side Effect Report#9264234
Irritable Bowel Syndrome, Constipation, Diarrhoea
This Irritable Bowel Syndrome side effect was reported by a consumer or non-health professional from US. A 39-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Benefiber W/ Wheat Dextrin (drug dosage: 2 Tsp, Unk), which was initiated on
Apr 18, 2013. Concurrently used drugs:
  • Linaclotide (145 Mcg, Qd)
  • Stool Softener
.After starting to take Benefiber W/ Wheat Dextrin the consumer reported adverse symptoms, such as: Irritable Bowel Syndrome, Constipation, DiarrhoeaThese side effects may potentially be related to Benefiber W/ Wheat Dextrin.
Benefiber Side Effect Report#9264233
Weight Decreased, Anaemia, Gastrointestinal Disorder, Condition Aggravated, Diarrhoea, Muscle Spasms, Malaise, Off Label Use, Therapeutic Response Unexpected
This is a report of a 70-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: bowel movement irregularity, who was treated with Benefiber Stick Packs (dosage: 1 Df, Qd, start time: NS), combined with:
  • Benefiber W/ Wheat Dextrin (Unk, Unk)
and developed a serious reaction and side effect(s): Weight Decreased, Anaemia, Gastrointestinal Disorder, Condition Aggravated, Diarrhoea, Muscle Spasms, Malaise, Off Label Use, Therapeutic Response Unexpected after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Benefiber Stick Packs treatment in female patients, resulting in Weight Decreased side effect.
Benefiber Side Effect Report#9264228
Bronchitis, Abdominal Distension, Endotracheal Intubation Complication, Throat Irritation, Therapeutic Response Unexpected, Off Label Use
This report suggests a potential Benefiber Stick Packs Bronchitis side effect(s) that can have serious consequences. A 78-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: irritable bowel syndrome,nutritional supplementation and used Benefiber Stick Packs (dosage: 1 Df, Tid) starting NS. After starting Benefiber Stick Packs the patient began experiencing various side effects, including: Bronchitis, Abdominal Distension, Endotracheal Intubation Complication, Throat Irritation, Therapeutic Response Unexpected, Off Label UseAdditional drugs used concurrently: NA. Although Benefiber Stick Packs demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Bronchitis, may still occur.
Benefiber Side Effect Report#9255945
Arthropathy, Anorectal Disorder, Therapeutic Response Unexpected, Off Label Use
This Arthropathy problem was reported by a consumer or non-health professional from US. A 78-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: constipation,diarrhoea,flatulence. On NS this consumer started treatment with Benefiber W/ Wheat Dextrin (dosage: 3 Heaping Tsp, Once Or Twice A Day). The following drugs were being taken at the same time: NA. When using Benefiber W/ Wheat Dextrin, the patient experienced the following unwanted symptoms/side effects: Arthropathy, Anorectal Disorder, Therapeutic Response Unexpected, Off Label UseAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Arthropathy, may become evident only after a product is in use by the general population.
Benefiber Side Effect Report#9253058
Thyroid Disorder, Cataract, Flatulence, Off Label Use, Underdose
This Thyroid Disorder side effect was reported by a consumer or non-health professional from US. A 83-year-old female patient (weight:NA) experienced the following symptoms/conditions: diarrhoea.The patient was prescribed Benefiber W/ Wheat Dextrin (drug dosage: 2 Tsp, Unk), which was initiated on NS. Concurrently used drugs: NA..After starting to take Benefiber W/ Wheat Dextrin the consumer reported adverse symptoms, such as: Thyroid Disorder, Cataract, Flatulence, Off Label Use, UnderdoseThese side effects may potentially be related to Benefiber W/ Wheat Dextrin.
Benefiber Side Effect Report#9246541
Renal Failure, Thrombosis, Therapeutic Response Unexpected, Off Label Use, Incorrect Dose Administered
This is a report of a 80-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: bowel movement irregularity, who was treated with Benefiber W/ Wheat Dextrin (dosage: 3 Tsp, Bid, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Renal Failure, Thrombosis, Therapeutic Response Unexpected, Off Label Use, Incorrect Dose Administered after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Benefiber W/ Wheat Dextrin treatment in male patients, resulting in Renal Failure side effect.


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The appearance of Benefiber on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.


What are common Benefiber Side Effects for Women?

Women Side EffectsReports
Off Label Use 106
Therapeutic Response Unexpected 47
Incorrect Dose Administered 41
Diarrhoea 31
Constipation 29
Abdominal Pain Upper 24
Flatulence 23
Malaise 21
Nausea 21
Overdose 21

Track Your Side Effects

Note Your Observations

It is really important to keep track of your health symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

    You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

    Benefiber reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
    FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.

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