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Benefiber Side Effects and Adverse Effects reported to US Food and Drug Administration (FDA)

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  Showing 76-100 of 297 

Faeces Discoloured, Faecal Incontinence, Gastrointestinal Tract Irritation, Anorectal Discomfort, Diverticulitis Intestinal Haemorrhagic, Abdominal Pain Upper, Flatulence (7581246-0)
on Jun 20, 2011 Female from UNITED STATES , weighting 150.0 lb, was diagnosed with
  • nutritional support
and was treated with Benefiber W/ Wheat Dextrin. Directly after, patient experienced the unwanted or unexpected Benefiber side effects: faeces discoloured, faecal incontinence, gastrointestinal tract irritation, anorectal discomfort, diverticulitis intestinal haemorrhagic, abdominal pain upper, flatulence. Benefiber W/ Wheat Dextrin dosage: 1 Stick Pack, Qd. Patient was hospitalized.

Neuralgia, Intervertebral Disc Protrusion, Intervertebral Disc Operation, Off Label Use (7561803-8)
Patient was taking Benefiber W/ Wheat Dextrin. Patient felt the following Benefiber side effects: neuralgia, intervertebral disc protrusion, intervertebral disc operation, off label use on Jun 16, 2011 from UNITED STATES Additional patient health information: Female , 46 years of age, weighting 160.0 lb, was diagnosed with
  • diarrhoea
  • irritable bowel syndrome
  • bowel movement irregularity
and. Benefiber W/ Wheat Dextrin dosage: N/A.

Colonic Obstruction (7550057-4)
Adverse event was reported on Jun 13, 2011 by a Female taking Benefiber W/ Wheat Dextrin (Dosage: 2 Tsp, Tid) was diagnosed with
  • medical diet
and. Location: UNITED STATES , child 10 years of age, weighting 145.0 lb, After Benefiber was administered, patient encountered several Benefiber side effects: colonic obstruction.
Multiple concurrent drugs taken:
  • Colace (1 Df, Tid)


Cystitis, Abdominal Pain Upper, Ear Infection, Therapeutic Response Unexpected, Diarrhoea, Musculoskeletal Disorder, Incorrect Dose Administered (7523518-1)
on May 24, 2011 Female from UNITED STATES , 61 years of age, weighting 137.0 lb, was diagnosed with
  • bowel movement irregularity
and was treated with Benefiber W/ Wheat Dextrin. Directly after, patient experienced the unwanted or unexpected Benefiber side effects: cystitis, abdominal pain upper, ear infection, therapeutic response unexpected, diarrhoea, musculoskeletal disorder, incorrect dose administered. Benefiber W/ Wheat Dextrin dosage: 9 Df, Qhs.
Associated medications used:
  • Thyroid Tab (Unk, Unk)
  • Fish Oil (Unk, Unk)
  • Multi-vitamins (Unk, Unk)
  • Calcium Carbonate (Unk, Unk)



Flatulence, Urinary Tract Infection, Overdose, Blood Potassium Decreased, Diarrhoea, Constipation (7523514-4)
on May 27, 2011 Female from UNITED STATES , 67 years of age, was treated with Benefiber W/ Wheat Dextrin. Patient felt the following Benefiber side effects: flatulence, urinary tract infection, overdose, blood potassium decreased, diarrhoea, constipation. Benefiber W/ Wheat Dextrin dosage: 1 Tablespoon 4 Times A Day. Patient was hospitalized.

Gallbladder Operation, Abnormal Faeces (7481987-X)
Patient was taking Benefiber W/ Wheat Dextrin. After Benefiber was administered, patient encountered several Benefiber side effects: gallbladder operation, abnormal faeces on May 06, 2011 from UNITED STATES Additional patient health information: Female , 82 years of age, was diagnosed with
  • medical diet
and. Benefiber W/ Wheat Dextrin dosage: 1 Tsp, Qd.

Cryptorchism (7473919-5)
Adverse event was reported on May 05, 2011 by a Male taking Benefiber W/ Wheat Dextrin (Dosage: Unk, Unk) . Location: AUSTRALIA , weighting 7.70 lb, Directly after, patient experienced the unwanted or unexpected Benefiber side effects: cryptorchism.

Cough, Bronchitis, Rectal Haemorrhage, Blood Pressure Decreased, Nasal Turbinate Hypertrophy, Nasal Septum Disorder, Chest Discomfort, Rhinitis Allergic, Vaginal Haemorrhage (7468942-0)
on Apr 18, 2011 Female from UNITED STATES , 26 years of age, weighting 325.0 lb, was treated with Benefiber. Patient felt the following Benefiber side effects: cough, bronchitis, rectal haemorrhage, blood pressure decreased, nasal turbinate hypertrophy, nasal septum disorder, chest discomfort, rhinitis allergic, vaginal haemorrhage. Benefiber dosage: N/A.
Multiple prescriptions taken:
  • Depo-provera
  • Clotrimazole
  • Diflucan
  • Premarin
  • Nuvaring (1 Df; Qm; Vag)
Patient was hospitalized.

Hip Surgery, Lower Limb Fracture, Walking Aid User, Infection, Limb Operation (7468342-3)
on May 03, 2011 Female from UNITED STATES , 83 years of age, weighting 145.0 lb, was diagnosed with
  • medical diet
and was treated with Benefiber W/ Wheat Dextrin. After Benefiber was administered, patient encountered several Benefiber side effects: hip surgery, lower limb fracture, walking aid user, infection, limb operation. Benefiber W/ Wheat Dextrin dosage: 3 Df, Tid. Patient was hospitalized.

Off Label Use, Hypertension (7453377-7)
Patient was taking Benefiber Sugar Free. Directly after, patient experienced the unwanted or unexpected Benefiber side effects: off label use, hypertension on Apr 28, 2011 from UNITED STATES Additional patient health information: Female , 69 years of age, was diagnosed with
  • irritable bowel syndrome
and. Benefiber Sugar Free dosage: 1 Df, Tid.

Rash, Urticaria, Pruritus (7433251-2)
Adverse event was reported on Apr 19, 2011 by a Male taking Benefiber W/ Wheat Dextrin (Dosage: Unk, Unk) was diagnosed with
  • nutritional support
and. Location: UNITED STATES , 36 years of age, Patient felt the following Benefiber side effects: rash, urticaria, pruritus.

Diarrhoea, Hypertension (7426622-1)
on Apr 11, 2011 Female from UNITED STATES , 75 years of age, weighting 180.0 lb, was diagnosed with
  • medical diet
and was treated with Benefiber Plus Calcium With Wheat Dextrin. After Benefiber was administered, patient encountered several Benefiber side effects: diarrhoea, hypertension. Benefiber Plus Calcium With Wheat Dextrin dosage: 2 Tsp, Qd.
Multiple concurrent drugs taken:
  • Pravachol
  • Metoprolol
  • Metformin
  • Aspirin
  • Plavix
  • Neurontin


Off Label Use, Hip Fracture, Blood Glucose Increased (7418789-6)
on Apr 11, 2011 Female from UNITED STATES , 77 years of age, was diagnosed with
  • abdominal pain
  • hypertension
  • type 2 diabetes mellitus
  • heart rate
and was treated with Benefiber W/ Wheat Dextrin. Directly after, patient experienced the unwanted or unexpected Benefiber side effects: off label use, hip fracture, blood glucose increased. Benefiber W/ Wheat Dextrin dosage: 1 Tsp, Qd.
Associated medications used:
  • Lisinopril (20 Mg, Qd)
  • Januvia (50 Mg, Qd)
  • Atenolol (50 Mg, Qd)
  • Tikosyn (125 Ug, Bid)
  • Premarin (.625 Ug, Qd)
  • Lisinopril
  • Warfarin (4 Mg, Qd)


Intestinal Obstruction, Therapeutic Response Unexpected, Overdose (7321742-4)
Patient was taking Benefiber W/ Wheat Dextrin. Patient felt the following Benefiber side effects: intestinal obstruction, therapeutic response unexpected, overdose on Feb 22, 2011 from UNITED STATES Additional patient health information: Female , 73 years of age, weighting 225.8 lb, . Benefiber W/ Wheat Dextrin dosage: 5-6 Tablespoon A Day. Patient was hospitalized.

Dysuria, Off Label Use, Anuria, Urine Output Decreased (7316118-X)
Adverse event was reported on Feb 17, 2011 by a Male taking Benefiber Fiber Supp Vit B + Folic Acid (Dosage: 1 Tsp, Qd) was diagnosed with
  • faeces hard
and. Location: UNITED STATES , 59 years of age, After Benefiber was administered, patient encountered several Benefiber side effects: dysuria, off label use, anuria, urine output decreased.

Diarrhoea, Muscle Spasms, Arrhythmia, Haematochezia (7312363-8)
on Jan 30, 2011 Female from UNITED STATES , 56 years of age, was diagnosed with
  • irritable bowel syndrome
  • muscle spasms
  • atrial fibrillation
and was treated with Benefiber. Directly after, patient experienced the unwanted or unexpected Benefiber side effects: diarrhoea, muscle spasms, arrhythmia, haematochezia. Benefiber dosage: N/A.
Associated medications used:
  • Baclofen
  • Pradaxa (300 Mg)
  • Aspirin (325 Mg)
  • Premarin
  • Simvastatin (20 Mg)
  • Kcl Er (10 Meq)
  • Hydrocodone Bitartrate
  • Sotalol Hydrochloride


Depressed Level Of Consciousness, Confusional State, Asthenia, Dizziness, Aura, Lethargy, Somnolence, Off Label Use (7308987-4)
on Feb 16, 2011 Male from UNITED STATES , 52 years of age, weighting 210.0 lb, was treated with Benefiber W/ Wheat Dextrin. Patient felt the following Benefiber side effects: depressed level of consciousness, confusional state, asthenia, dizziness, aura, lethargy, somnolence, off label use. Benefiber W/ Wheat Dextrin dosage: 2 Tsp, Bid.
Multiple prescriptions taken:
  • Citalopram (Unk, Unk)
  • Phenobarbital Tab (Unk, Unk)
  • Phenytoin (Unk, Unk (^took More To Prevent Seizure^))
  • Phenytoin (Unk, Unk)
  • Zolam (Unk, Unk)
  • Phenytoin (Unk, Unk (^took More To Prevent Seizure^))


Vomiting (7293937-X)
Patient was taking Benefiber Stick Packs. After Benefiber was administered, patient encountered several Benefiber side effects: vomiting on Feb 07, 2011 from UNITED STATES Additional patient health information: Female , 80 years of age, weighting 154.0 lb, was diagnosed with
  • mineral supplementation
and. Benefiber Stick Packs dosage: 1 Packet Once.

Vomiting (7281248-8)
Adverse event was reported on Feb 02, 2011 by a Female taking Benefiber Stick Packs (Dosage: 1 Packet Once) was diagnosed with
  • mineral supplementation
and. Location: UNITED STATES , 80 years of age, weighting 154.0 lb, Directly after, patient experienced the unwanted or unexpected Benefiber side effects: vomiting.

Diverticulum, Incorrect Dose Administered, Diarrhoea, Hypertension, Coronary Arterial Stent Insertion, Off Label Use (7274690-2)
on Jan 25, 2011 Male from UNITED STATES , 64 years of age, was treated with Benefiber W/ Wheat Dextrin. Patient felt the following Benefiber side effects: diverticulum, incorrect dose administered, diarrhoea, hypertension, coronary arterial stent insertion, off label use. Benefiber W/ Wheat Dextrin dosage: 1 Heaping Tbsp, Once Or Twice A Week.
Multiple prescriptions taken:
  • Lipitor
  • Fish Oil
Patient was hospitalized.

Abdominal Distension, Cardiac Operation, Flatulence, Incorrect Dose Administered, Off Label Use (7180453-9)
on Dec 13, 2010 Female from UNITED STATES , 66 years of age, was diagnosed with
  • bowel movement irregularity
  • hypertension
and was treated with Benefiber W/ Wheat Dextrin (nch). After Benefiber was administered, patient encountered several Benefiber side effects: abdominal distension, cardiac operation, flatulence, incorrect dose administered, off label use. Benefiber W/ Wheat Dextrin (nch) dosage: 3 Tsp (1 Tablespoon), Qd.
Multiple concurrent drugs taken:
  • Toprol-xl (Unk, Unk)
  • Amiodarone Hcl (Unk, Unk)
  • Coumadin (Unk, Unk)


Abdominal Distension, Cardiac Operation, Flatulence, Incorrect Dose Administered (7170350-7)
Patient was taking Benefiber W/ Wheat Dextrin (nch). Directly after, patient experienced the unwanted or unexpected Benefiber side effects: abdominal distension, cardiac operation, flatulence, incorrect dose administered on Dec 13, 2010 from UNITED STATES Additional patient health information: Female , 66 years of age, was diagnosed with
  • bowel movement irregularity
  • hypertension
and. Benefiber W/ Wheat Dextrin (nch) dosage: 3 Tsp (1 Tablespoon), Qd.
Associated medications used:
  • Toprol-xl (Unk, Unk)
  • Amiodarone (Unk, Unk)
  • Coumadin (Unk, Unk)


Diverticulum, Dyspepsia, Gastrointestinal Infection (7055898-8)
Adverse event was reported on Oct 15, 2010 by a Male taking Benefiber W/ Wheat Dextrin (nch) (Dosage: 2 Tsp, Qd) . Location: UNITED STATES , 65 years of age, weighting 231.0 lb, Patient felt the following Benefiber side effects: diverticulum, dyspepsia, gastrointestinal infection.

Overdose (7036028-5)
on Aug 03, 2010 Female from UNITED STATES , 53 years of age, weighting 160.0 lb, was treated with Benefiber W/ Wheat Dextrin (nch). After Benefiber was administered, patient encountered several Benefiber side effects: overdose. Benefiber W/ Wheat Dextrin (nch) dosage: Unk, Unk.

Blood Pressure Increased, Dizziness, Headache, Off Label Use, Overdose (7002812-7)
on Sep 15, 2010 Male from UNITED STATES , 75 years of age, was diagnosed with
  • constipation
and was treated with Benefiber W/ Wheat Dextrin (nch). Directly after, patient experienced the unwanted or unexpected Benefiber side effects: blood pressure increased, dizziness, headache, off label use, overdose. Benefiber W/ Wheat Dextrin (nch) dosage: 6 Tsp, Bid.
Associated medications used:
  • Coumadin
  • Amiodarone Hcl
  • Metformin
  • Enalapril
  • Flomax
  • Simvastatin
Patient was hospitalized.

  Showing 76-100 of 297 

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Most drugs have a large list of nonsevere or mild adverse effects which do not rule out continued usage. These effects depend on individual sensitivity, and can include nausea, dizziness, diarrhea, malaise, vomiting, headache, dermatitis, dry mouth, etc. Check commonly reported side effects . These can be considered a form of pseudo-allergic reaction, as not all users experience these effects; many users experience none at all.

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 Information

More About Benefiber

Side Effects reported to FDA: 297. View Benefiber Adverse Reports

Benefiber safety alerts: No

Reported deaths: 2

Reported hospitalizations: 16

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