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Imodium Side Effects

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Common Imodium Side Effects

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

Overdose (45)
Diarrhoea (36)
Haematochezia (35)
Constipation (35)
Vomiting (26)
Dyspnoea (26)
Suicide Attempt (24)
Abdominal Pain (24)
Incorrect Dose Administered (22)
Somnolence (21)
Dizziness (21)
Rash (20)
Weight Decreased (18)
Product Quality Issue (15)
Intestinal Obstruction (15)
Fatigue (14)
Intentional Overdose (14)
Rectal Haemorrhage (14)
Pyrexia (14)
Abdominal Distension (13)

➢ 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.

Imodium Side Effects Reported to FDA



Imodium Side Effect Report#9928014
Herpes Zoster, Rash, Pruritus, Urticaria
This is a report of a 63-year-old female patient (weight: NA) from GB, suffering from the following health symptoms/conditions: abdominal discomfort, who was treated with Imodium Instants (dosage: 1 On The First Day, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Herpes Zoster, Rash, Pruritus, Urticaria after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Imodium Instants treatment in female patients, resulting in Herpes Zoster side effect.
Imodium Side Effect Report#9915554
Abortion Threatened, Exposure During Pregnancy
This report suggests a potential Imodium Abortion Threatened side effect(s) that can have serious consequences. A 24-year-old female patient (weight: NA) from CN was diagnosed with the following symptoms/conditions: diarrhoea and used Imodium (dosage: NA) starting
Jul 31, 2012. After starting Imodium the patient began experiencing various side effects, including: Abortion Threatened, Exposure During PregnancyAdditional drugs used concurrently: NA.The patient was hospitalized. Although Imodium demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Abortion Threatened, may still occur.
Imodium Side Effect Report#9912520
Muscle Spasms
This Muscle Spasms 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: NA. On NS this consumer started treatment with Imodium Multi-symptom Relief (dosage: NA). The following drugs were being taken at the same time: NA. When using Imodium Multi-symptom Relief, the patient experienced the following unwanted symptoms/side effects: Muscle SpasmsThe 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 Muscle Spasms, may become evident only after a product is in use by the general population.
Imodium Side Effect Report#9896844
Cholelithiasis, Off Label Use
This Cholelithiasis 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: NA.The patient was prescribed Imodium Multi-symptom Relief (drug dosage: NA), which was initiated on NS. Concurrently used drugs: NA..After starting to take Imodium Multi-symptom Relief the consumer reported adverse symptoms, such as: Cholelithiasis, Off Label UseThese side effects may potentially be related to Imodium Multi-symptom Relief. The patient was hospitalized.
Imodium Side Effect Report#9872299
Intestinal Obstruction
This is a report of a 60-year-old male patient (weight: NA) from FR, suffering from the following health symptoms/conditions: NA, who was treated with Imodium (dosage: NA, start time:
Dec 30, 2013), combined with: NA. and developed a serious reaction and side effect(s): Intestinal Obstruction after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Imodium treatment in male patients, resulting in Intestinal Obstruction side effect.
Imodium Side Effect Report#9854747
Paralysis, Overdose
This report suggests a potential Imodium A-d Liquid Paralysis side effect(s) that can have serious consequences. A 27-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Imodium A-d Liquid (dosage: NA) starting NS. After starting Imodium A-d Liquid the patient began experiencing various side effects, including: Paralysis, OverdoseAdditional drugs used concurrently: NA. Although Imodium A-d Liquid demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Paralysis, may still occur.
Imodium Side Effect Report#9684923
Epilepsy
This Epilepsy problem was reported by a physician from DK. A 34-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
May 16, 2013 this consumer started treatment with Imodium (dosage: NA). The following drugs were being taken at the same time: NA. When using Imodium, the patient experienced the following unwanted symptoms/side effects: EpilepsyThe 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 Epilepsy, may become evident only after a product is in use by the general population.
Imodium Side Effect Report#9668644
Malaise
This Malaise side effect was reported by a consumer or non-health professional from US. A 85-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Imodium A-d (drug dosage: NA), which was initiated on NS. Concurrently used drugs: NA..After starting to take Imodium A-d the consumer reported adverse symptoms, such as: MalaiseThese side effects may potentially be related to Imodium A-d.
Imodium Side Effect Report#9655642
Surgery
This is a report of a 67-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Imodium A-d (dosage: NA, start time:
Sep 22, 2013), combined with: NA. and developed a serious reaction and side effect(s): Surgery after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Imodium A-d treatment in female patients, resulting in Surgery side effect.
Imodium Side Effect Report#9601760
Urinary Retention, Bladder Dilatation, Prostatic Adenoma
This report suggests a potential Imodium Urinary Retention side effect(s) that can have serious consequences. A 59-year-old male patient (weight: NA) from FR was diagnosed with the following symptoms/conditions: diarrhoea and used Imodium (dosage: 1 Or 2 Capsules Per Day) starting NS. After starting Imodium the patient began experiencing various side effects, including: Urinary Retention, Bladder Dilatation, Prostatic AdenomaAdditional drugs used concurrently: NA. Although Imodium demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Urinary Retention, may still occur.
Imodium Side Effect Report#9601754
Foreign Body, Choking, Oropharyngeal Pain, Product Shape Issue
This Foreign Body problem was reported by a consumer or non-health professional from US. A 65-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Imodium Multi-symptom Relief (dosage: NA). The following drugs were being taken at the same time: NA. When using Imodium Multi-symptom Relief, the patient experienced the following unwanted symptoms/side effects: Foreign Body, Choking, Oropharyngeal Pain, Product Shape IssueAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Foreign Body, may become evident only after a product is in use by the general population.
Imodium Side Effect Report#9601749
Choking, Dysphagia, Product Size Issue, Retching
This Choking side effect was reported by a consumer or non-health professional from US. A 99-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Imodium Multi-symptom Relief (drug dosage: NA), which was initiated on NS. Concurrently used drugs: NA..After starting to take Imodium Multi-symptom Relief the consumer reported adverse symptoms, such as: Choking, Dysphagia, Product Size Issue, RetchingThese side effects may potentially be related to Imodium Multi-symptom Relief.
Imodium Side Effect Report#9592232
Hallucination
This is a report of a 77-year-old male patient (weight: NA) from CH, suffering from the following health symptoms/conditions: NA, who was treated with Imodium (dosage: NA, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Hallucination after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Imodium treatment in male patients, resulting in Hallucination side effect.
Imodium Side Effect Report#9538062
Shock, Hypersensitivity, Contraindication To Medical Treatment
This report suggests a potential Imodium A-d Caplets Shock side effect(s) that can have serious consequences. A female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Imodium A-d Caplets (dosage: NA) starting
Oct 01, 2008. After starting Imodium A-d Caplets the patient began experiencing various side effects, including: Shock, Hypersensitivity, Contraindication To Medical TreatmentAdditional drugs used concurrently: NA. Although Imodium A-d Caplets demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Shock, may still occur.
Imodium Side Effect Report#9535569
Blood Pressure Increased, Overdose, Night Sweats
This Blood Pressure Increased 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: NA. On NS this consumer started treatment with Imodium (dosage: NA). The following drugs were being taken at the same time: NA. When using Imodium, the patient experienced the following unwanted symptoms/side effects: Blood Pressure Increased, Overdose, Night SweatsAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Blood Pressure Increased, may become evident only after a product is in use by the general population.
Imodium Side Effect Report#9526129
Accidental Exposure To Product
This Accidental Exposure To Product side effect was reported by a physician from DE. A 2.-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Imodium (drug dosage: NA), which was initiated on
Sep 07, 2013. Concurrently used drugs: NA..After starting to take Imodium the consumer reported adverse symptoms, such as: Accidental Exposure To ProductThese side effects may potentially be related to Imodium. The patient was hospitalized.
Imodium Side Effect Report#9454904
Convulsion, Syncope, Dyspnoea, Fall
This is a report of a 34-year-old female patient (weight: NA) from DK, suffering from the following health symptoms/conditions: NA, who was treated with Imodium Plus (dosage: NA, start time:
Apr 18, 2013), combined with: NA. and developed a serious reaction and side effect(s): Convulsion, Syncope, Dyspnoea, Fall after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Imodium Plus treatment in female patients, resulting in Convulsion side effect.
Imodium Side Effect Report#9452229
Herpes Virus Infection
This report suggests a potential Imodium Herpes Virus Infection side effect(s) that can have serious consequences. A 75-year-old male patient (weight: NA) from CN was diagnosed with the following symptoms/conditions: diarrhoea and used Imodium (dosage: NA) starting NS. After starting Imodium the patient began experiencing various side effects, including: Herpes Virus InfectionAdditional drugs used concurrently:
  • Montmorillonite
Although Imodium demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Herpes Virus Infection, may still occur.
Imodium Side Effect Report#9436284
Poisoning, Toxicity To Various Agents, Overdose
This Poisoning problem was reported by a health professional from FR. A 14-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Apr 05, 2013 this consumer started treatment with Imodium (dosage: NA). The following drugs were being taken at the same time: NA. When using Imodium, the patient experienced the following unwanted symptoms/side effects: Poisoning, Toxicity To Various Agents, OverdoseThe 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 Poisoning, may become evident only after a product is in use by the general population.
Imodium Side Effect Report#9423776
Abdominal Pain Upper, Abdominal Discomfort
This Abdominal Pain Upper side effect was reported by a consumer or non-health professional from US. A 70-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Imodium Multi-symptom Relief (drug dosage: NA), which was initiated on 2009. Concurrently used drugs: NA..After starting to take Imodium Multi-symptom Relief the consumer reported adverse symptoms, such as: Abdominal Pain Upper, Abdominal DiscomfortThese side effects may potentially be related to Imodium Multi-symptom Relief.
Imodium Side Effect Report#9423774
Product Quality Issue, Choking, Retching, Dysphagia
This is a report of a 78-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: diarrhoea, who was treated with Imodium Multi-symptom Relief (dosage: 2 Caplets At Onset And 1 After, start time: 2011), combined with: NA. and developed a serious reaction and side effect(s): Product Quality Issue, Choking, Retching, Dysphagia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Imodium Multi-symptom Relief treatment in female patients, resulting in Product Quality Issue side effect.
Imodium Side Effect Report#9423663
Gastrointestinal Obstruction
This report suggests a potential Imodium Multi Symptom Relief Gastrointestinal Obstruction side effect(s) that can have serious consequences. A 75-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Imodium Multi Symptom Relief (dosage: NA) starting
Jan 07, 2010. After starting Imodium Multi Symptom Relief the patient began experiencing various side effects, including: Gastrointestinal ObstructionAdditional drugs used concurrently: NA.The patient was hospitalized. Although Imodium Multi Symptom Relief demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Gastrointestinal Obstruction, may still occur.
Imodium Side Effect Report#9421420
This Death problem was reported by a consumer or non-health professional from US. A 67-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Imodium (dosage: NA). The following drugs were being taken at the same time: NA. When using Imodium, the patient experienced the following unwanted symptoms/side effects:Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Death, may become evident only after a product is in use by the general population.
Imodium Side Effect Report#9380899
Haematuria, Urine Abnormality
This Haematuria side effect was reported by a consumer or non-health professional from GR. A 60-year-old male patient (weight:NA) experienced the following symptoms/conditions: diarrhoea,epilepsy,prostatic disorder.The patient was prescribed Imodium (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Phenytoin Phenobarbital
  • Proscar
.After starting to take Imodium the consumer reported adverse symptoms, such as: Haematuria, Urine AbnormalityThese side effects may potentially be related to Imodium.
Imodium Side Effect Report#9374737
Syncope, Product Quality Issue
This is a report of a 52-year-old female patient (weight: NA) from PT, suffering from the following health symptoms/conditions: diarrhoea, who was treated with Imodium (dosage: NA, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Syncope, Product Quality Issue after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Imodium treatment in female patients, resulting in Syncope side effect. The patient was hospitalized.


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The appearance of Imodium 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 Imodium Side Effects for Women?

Women Side EffectsReports
Haematochezia 25
Diarrhoea 22
Overdose 21
Suicide Attempt 20
Vomiting 20
Constipation 16
Dizziness 16
Incorrect Dose Administered 16
Somnolence 13
Abdominal Pain 12

What are common Imodium Side Effects for Men?

Men Side EffectsReports
Overdose 24
Constipation 19
Diarrhoea 14
Dyspnoea 14
Abdominal Pain 12
Haematochezia 10
Rash 10
Intestinal Obstruction 9
Somnolence 8
Abdominal Distension 7

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.

    Imodium 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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    Imodium Safety Alerts, Active Ingredients, Usage Information

    NDC50580-134
    TypeHUMAN OTC DRUG
    Proprietary NameImodium A-D
    NameLoperamide Hydrochloride
    Dosage FormLIQUID
    RouteORAL
    On market since20050101
    LabelerMcNeil Consumer Healthcare Div McNeil-PPC, Inc
    Active Ingredient(s)LOPERAMIDE HYDROCHLORIDE
    Strength(s)1
    Unit(s)mg/7.5mL
    Pharma Class

    Imodium Dosage, Warnings, Usage.

    Side Effects reported to FDA: 619

    Imodium safety alerts: No

    Reported deaths: 33

    Reported hospitalizations: 194

    Latest Imodium clinical trials

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