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Welchol Side Effects

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Common Welchol Side Effects


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

Dysphagia (51)
Constipation (31)
Myalgia (28)
Asthenia (23)
Nausea (20)
Fatigue (19)
Dizziness (17)
Diarrhoea (17)
Pain In Extremity (16)
Weight Decreased (15)
Back Pain (14)
Muscle Spasms (14)
Gastrooesophageal Reflux Disease (13)
Dyspepsia (12)
Dyspnoea (12)
Arthralgia (12)
Pruritus (12)
Headache (12)
Vomiting (12)
Pain (11)

➢ 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.

Welchol Side Effects Reported to FDA



Welchol Side Effect Report#9953937
Product Physical Issue
This is a report of a 37-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: abdominal discomfort,diabetic neuropathy,diabetes mellitus, who was treated with Welchol (dosage: 500 Mg, 3x/day, start time: NS), combined with:
  • Lyrica (300 Mg, 2x/day)
  • Lantus (10 Mg, 1x/day)
  • Novolog (Unk)
  • Paxil (25 Mg, 1x/day)
  • Lisinopril (10 Mg, 1x/day)
  • Ibuprofen (800 Mg, 3x/day)
  • Ibuprofen
and developed a serious reaction and side effect(s): Product Physical Issue after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Welchol treatment in male patients, resulting in Product Physical Issue side effect.
Welchol Side Effect Report#9915987
Muscle Spasms, Hypoaesthesia, Angina Pectoris, Weight Decreased, Myalgia
This report suggests a potential Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) Muscle Spasms 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: hypercholesterolaemia and used Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) (dosage: 1875 Mg (625 Mg, Tid), Per Oral) starting 201212. After starting Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) the patient began experiencing various side effects, including: Muscle Spasms, Hypoaesthesia, Angina Pectoris, Weight Decreased, MyalgiaAdditional drugs used concurrently: NA. Although Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Muscle Spasms, may still occur.
Welchol Side Effect Report#9913386
Blood Thyroid Stimulating Hormone Increased, Hot Flush
This Blood Thyroid Stimulating Hormone Increased problem was reported by a health professional from US. A 68-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: blood cholesterol abnormal. On
Dec 20, 2013 this consumer started treatment with Welchol (dosage: One-half Pill?qd?oral). The following drugs were being taken at the same time:
  • Synthroid
  • Raloxifene
  • Nexium
  • Imderal La
When using Welchol, the patient experienced the following unwanted symptoms/side effects: Blood Thyroid Stimulating Hormone Increased, Hot FlushAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Blood Thyroid Stimulating Hormone Increased, may become evident only after a product is in use by the general population.
Welchol Side Effect Report#9908161
Pruritus, Eye Pruritus
This Pruritus side effect was reported by a consumer or non-health professional from US. A 84-year-old female patient (weight:NA) experienced the following symptoms/conditions: diabetes mellitus,blood cholesterol.The patient was prescribed Welchol (drug dosage: 3.75 1 Packet Daily Mix W/water), which was initiated on
Dec 30, 2013. Concurrently used drugs: NA..After starting to take Welchol the consumer reported adverse symptoms, such as: Pruritus, Eye PruritusThese side effects may potentially be related to Welchol.
Welchol Side Effect Report#9889186
Hip Arthroplasty, Foreign Body, Influenza Like Illness, Oropharyngeal Pain
This is a report of a 73-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: hypercholesterolaemia, who was treated with Welchol (dosage: NA, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Hip Arthroplasty, Foreign Body, Influenza Like Illness, Oropharyngeal Pain after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Welchol treatment in female patients, resulting in Hip Arthroplasty side effect. The patient was hospitalized.
Welchol Side Effect Report#9889138
Choking, Foreign Body
This report suggests a potential Welchol Choking side effect(s) that can have serious consequences. A 74-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Welchol (dosage: Qd.) starting NS. After starting Welchol the patient began experiencing various side effects, including: Choking, Foreign BodyAdditional drugs used concurrently: NA.The patient was hospitalized. Although Welchol demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Choking, may still occur.
Welchol Side Effect Report#9888668
Myalgia, Pain In Extremity, Back Pain, Sensation Of Pressure
This Myalgia problem was reported by a consumer or non-health professional from US. A 58-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: blood cholesterol. On
Nov 13, 2013 this consumer started treatment with Welchol 3.75 G Packet, Daiichi (dosage: 1 Pkt Once Daily Taken By Mouth). The following drugs were being taken at the same time: NA. When using Welchol 3.75 G Packet, Daiichi, the patient experienced the following unwanted symptoms/side effects: Myalgia, Pain In Extremity, Back Pain, Sensation Of PressureAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Myalgia, may become evident only after a product is in use by the general population.
Welchol Side Effect Report#9852328
Dyspepsia, Dysphagia
This Dyspepsia side effect was reported by a consumer or non-health professional from US. A 60-year-old female patient (weight:NA) experienced the following symptoms/conditions: blood cholesterol increased.The patient was prescribed Welchol (drug dosage: By Mouth, 3w Tabs. Bid.), which was initiated on
Jun 13, 2013. Concurrently used drugs:
  • Atenolol
  • Levothyroxin
  • Aspirin
  • Fishoil
  • Vitamin B12
.After starting to take Welchol the consumer reported adverse symptoms, such as: Dyspepsia, DysphagiaThese side effects may potentially be related to Welchol.
Welchol Side Effect Report#9797138
Constipation, Impaired Gastric Emptying, Abdominal Distension
This is a report of a 59-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Welchol (dosage: 1 3.75 G Packet Daily, start time:
Mar 20, 2013), combined with: NA. and developed a serious reaction and side effect(s): Constipation, Impaired Gastric Emptying, Abdominal Distension after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Welchol treatment in male patients, resulting in Constipation side effect.
Welchol Side Effect Report#9785950
Intervertebral Disc Protrusion
This report suggests a potential Welchol Intervertebral Disc Protrusion side effect(s) that can have serious consequences. A 70-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: hypercholesterolaemia and used Welchol (dosage: 3.75 Gm ( 3.75 Gm, Qd), Per Oral) starting 2011. After starting Welchol the patient began experiencing various side effects, including: Intervertebral Disc ProtrusionAdditional drugs used concurrently:
  • Evista ( Raloxifene) ( Raloxifene)
The patient was hospitalized. Although Welchol demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Intervertebral Disc Protrusion, may still occur.
Welchol Side Effect Report#9785461
Pharyngeal Oedema, Nausea, Oropharyngeal Pain, Myalgia, Influenza Like Illness, Fatigue, Cough
This Pharyngeal Oedema problem was reported by a consumer or non-health professional from US. A 69-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: blood cholesterol increased. On
Oct 24, 2013 this consumer started treatment with Welchol (dosage: NA). The following drugs were being taken at the same time:
  • Metformin
  • Glipizinde
  • Lotrel 5/10
  • Baby Aspirin
When using Welchol, the patient experienced the following unwanted symptoms/side effects: Pharyngeal Oedema, Nausea, Oropharyngeal Pain, Myalgia, Influenza Like Illness, Fatigue, CoughAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Pharyngeal Oedema, may become evident only after a product is in use by the general population.
Welchol Side Effect Report#9725618
Biliary Cirrhosis Primary
This Biliary Cirrhosis Primary side effect was reported by a consumer or non-health professional from US. A 51-year-old female patient (weight:NA) experienced the following symptoms/conditions: hypercholesterolaemia.The patient was prescribed Welchol (drug dosage: 1875 Mg (1875 Mg, Qd), Per Oral), which was initiated on 2000. Concurrently used drugs:
  • Insulin (insulin) (insulin)
  • Lisinopril (lisinopril) (lisinopril)
.After starting to take Welchol the consumer reported adverse symptoms, such as: Biliary Cirrhosis PrimaryThese side effects may potentially be related to Welchol. The patient was hospitalized.
Welchol Side Effect Report#9711830
Back Pain, Dysstasia
This is a report of a 65-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: blood cholesterol increased,blood triglycerides increased, who was treated with Welchol (dosage: 3 Pills Twice Daily Taken By Mouth, start time:
Oct 28, 2013), combined with: NA. and developed a serious reaction and side effect(s): Back Pain, Dysstasia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Welchol treatment in male patients, resulting in Back Pain side effect.
Welchol Side Effect Report#9708556
Prostate Cancer
This report suggests a potential Welchol Prostate Cancer side effect(s) that can have serious consequences. A 67-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: hypercholesterolaemia and used Welchol (dosage: 1250 Mg (1250 Mg, Qd), Per Oral) starting
Sep 17, 2013. After starting Welchol the patient began experiencing various side effects, including: Prostate CancerAdditional drugs used concurrently:
  • Lopressor (metoprolol Tartrate) (metoprolol Tartrate)
Although Welchol demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Prostate Cancer, may still occur.
Welchol Side Effect Report#9679045
Off Label Use, Headache, Decreased Appetite
This Off Label Use problem was reported by a consumer or non-health professional from US. A 87-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: diarrhoea. On 201310 this consumer started treatment with Welchol (dosage: NA). The following drugs were being taken at the same time: NA. When using Welchol, the patient experienced the following unwanted symptoms/side effects: Off Label Use, Headache, Decreased AppetiteThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Off Label Use, may become evident only after a product is in use by the general population.
Welchol Side Effect Report#9678995
Product Taste Abnormal, Product Physical Issue, Malaise, Insomnia, Ocular Hyperaemia, Feeling Hot, Hypoaesthesia, Hyperhidrosis, Presyncope
This Product Taste Abnormal 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: hyperlipidaemia.The patient was prescribed Welchol (drug dosage: 3.75 Gm, Qd, Per Oral), which was initiated on
Oct 23, 2013. Concurrently used drugs:
  • Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) (3750 Mg (1875 Mg, Bid))
.After starting to take Welchol the consumer reported adverse symptoms, such as: Product Taste Abnormal, Product Physical Issue, Malaise, Insomnia, Ocular Hyperaemia, Feeling Hot, Hypoaesthesia, Hyperhidrosis, PresyncopeThese side effects may potentially be related to Welchol.
Welchol Side Effect Report#9670193
Parkinson^s Disease
This is a report of a 74-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: hyperlipidaemia, who was treated with Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) (dosage: NA, start time: NS), combined with:
  • Lipitor (atorvastatin Calcium)
and developed a serious reaction and side effect(s): Parkinson^s Disease after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) treatment in male patients, resulting in Parkinson^s Disease side effect.
Welchol Side Effect Report#9648259
Paralysis, Movement Disorder
This report suggests a potential Welchol Paralysis side effect(s) that can have serious consequences. A 73-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: blood cholesterol increased and used Welchol (dosage: NA) starting
Jan 05, 2010. After starting Welchol the patient began experiencing various side effects, including: Paralysis, Movement DisorderAdditional drugs used concurrently:
  • Levothyroxine
  • Lisinopril
  • Tramadol
  • Acetaminophen
  • Alendronate Sodium
  • D3
  • Tylenol
Although Welchol demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Paralysis, may still occur.
Welchol Side Effect Report#9645257
Oropharyngeal Pain, Dyspepsia, Muscle Tightness, Musculoskeletal Stiffness
This Oropharyngeal Pain problem was reported by a consumer or non-health professional from US. A 69-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: blood cholesterol increased. On
Apr 02, 2013 this consumer started treatment with Welchol (dosage: 1 Tblespoon - Powder 1 X Day Added Liquid To Powder). The following drugs were being taken at the same time:
  • Lisinopril-hctz
  • Zetia
  • Centrum Silver
  • Caltrate 600 + D
  • Preservision Lutein
When using Welchol, the patient experienced the following unwanted symptoms/side effects: Oropharyngeal Pain, Dyspepsia, Muscle Tightness, Musculoskeletal StiffnessAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Oropharyngeal Pain, may become evident only after a product is in use by the general population.
Welchol Side Effect Report#9640417
Urinary Tract Infection
This Urinary Tract Infection side effect was reported by a pharmacist from US. A 72-year-old female patient (weight:NA) experienced the following symptoms/conditions: hypercholesterolaemia.The patient was prescribed Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) (drug dosage: 3750 Mg (1875 Mg, Bid) , Per Oral), which was initiated on 201310. Concurrently used drugs:
  • Flomax (tamsulosin Hydrochloride) (tamsulosin Hydrochloride)
  • Zyvox Linezolid) (linezolid)
.After starting to take Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) the consumer reported adverse symptoms, such as: Urinary Tract InfectionThese side effects may potentially be related to Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride). The patient was hospitalized.
Welchol Side Effect Report#9625805
Neck Pain, Nausea, Cough, Rhinorrhoea, Discomfort, Sleep Disorder
This is a report of a 77-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: blood cholesterol increased, who was treated with Welchol (dosage: 3 Pills With A Meal, Twice Daily, Taken By Mouth, start time:
Oct 09, 2013), combined with: NA. and developed a serious reaction and side effect(s): Neck Pain, Nausea, Cough, Rhinorrhoea, Discomfort, Sleep Disorder after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Welchol treatment in female patients, resulting in Neck Pain side effect.
Welchol Side Effect Report#9580871
Choking
This report suggests a potential Welchol Choking side effect(s) that can have serious consequences. A 70-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: blood cholesterol increased and used Welchol (dosage: 625 Mg 3 Pills Twice Daily Taken By Mouth) starting
Sep 27, 2013. After starting Welchol the patient began experiencing various side effects, including: ChokingAdditional drugs used concurrently: NA. Although Welchol demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Choking, may still occur.
Welchol Side Effect Report#9566172
Myalgia, Pruritus, Dyspnoea, Flushing
This Myalgia 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: blood cholesterol increased. On
Apr 23, 2013 this consumer started treatment with Welchol (dosage: NA). The following drugs were being taken at the same time:
  • Potassium
  • Isosorbide
  • Besylate
  • Hydrochlorothiazide
  • Aspirin
  • Brilinta
  • Niaspan
  • Niaspan
When using Welchol, the patient experienced the following unwanted symptoms/side effects: Myalgia, Pruritus, Dyspnoea, FlushingAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Myalgia, may become evident only after a product is in use by the general population.
Welchol Side Effect Report#9548412
Sensation Of Heaviness, Joint Dislocation
This Sensation Of Heaviness side effect was reported by a consumer or non-health professional from US. A female patient (weight:NA) experienced the following symptoms/conditions: hypercholesterolaemia.The patient was prescribed Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) (drug dosage: 3750 Mg (3750 Mg, Qd), Per Oral), which was initiated on 2012. Concurrently used drugs:
  • Niacin (nicotinic Acid) (nicotinic Acid)
  • Lopid (gemfibrozil) (gemfibrozil)
.After starting to take Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride) the consumer reported adverse symptoms, such as: Sensation Of Heaviness, Joint DislocationThese side effects may potentially be related to Welchol (colesevelam Hydrochloride) (625 Milligram, Tablet) (colesevelam Hydrochloride).
Welchol Side Effect Report#9530783
Muscle Fatigue, Asthenia
This is a report of a 68-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: hyperlipidaemia, who was treated with Welchol (dosage: 6 Tablets Qd Oral, start time:
Jan 15, 2013), combined with:
  • Amlodipine(norvasc)
  • Aspirin
  • Benazepril(lotensin)
  • Hydrochlorothiazide
  • Januvia
  • Metformin Glucophage
  • Pioglitazone(actos)
  • Tadalafil(cialis)
and developed a serious reaction and side effect(s): Muscle Fatigue, Asthenia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Welchol treatment in male patients, resulting in Muscle Fatigue side effect.

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The appearance of Welchol 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 Welchol Side Effects for Women?

Women Side EffectsReports
Dysphagia 38
Nausea 16
Myalgia 15
Constipation 14
Dizziness 13
Back Pain 12
Fatigue 12
Pain In Extremity 12
Asthenia 11
Dyspepsia 11

What are common Welchol Side Effects for Men?

Men Side EffectsReports
Constipation 16
Dysphagia 13
Myalgia 13
Asthenia 12
Diarrhoea 8
Blood Triglycerides Increased 7
Fatigue 7
Weight Decreased 6
Cerebrovascular Accident 5
Condition Aggravated 5

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.

    Welchol 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.

    Discuss Welchol Side Effects

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    Welchol Safety Alerts, Active Ingredients, Usage Information

    NDC21695-779
    TypeHUMAN PRESCRIPTION DRUG
    Proprietary NameWelchol
    Namecolesevelam hydrochloride
    Dosage FormFOR SUSPENSION
    RouteORAL
    On market since20100101
    LabelerRebel Distributors Corp
    Active Ingredient(s)COLESEVELAM HYDROCHLORIDE
    Strength(s)3.75
    Unit(s)g/1
    Pharma ClassBile Acid Sequestrant [EPC],Bile-acid Binding Activity [MoA]

    More About Welchol

    Side Effects reported to FDA: 345

    Welchol safety alerts: No

    Reported deaths: 7

    Reported hospitalizations: 106

    Latest Welchol clinical trials