Imodium

DRUG DESCRIPTION

IMODIUM® (loperamide hydrochloride), 4-(p-chlorophenyl)-4-hydroxy-N, N-dimethyl- a, a-diphenyl-1-piperidinebutyramide monohydrochloride, is a synthetic antidiarrheal for oral use.

IMODIUM (loperamide hydrochloride) structural formula illustration

IMODIUM® (loperamide hcl) is available in 2mg capsules.

The inactive ingredients are: Lactose, cornstarch, talc, and magnesium stearate. IMODIUM® (loperamide hcl) capsules contain FD&C Yellow No. 6.

What are the possible side effects of loperamide?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have any of these serious side effects:

  • stomach pain or bloating;
  • ongoing or worsening diarrhea;
  • diarrhea that is watery or bloody; or
  • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash.

Less serious side effects may...

Read All Potential Side Effects and See Pictures of Imodium »

What are the precautions when taking loperamide hcl (Imodium)?

Before taking loperamide, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: stomach/abdominal pain without diarrhea, bowel obstruction (e.g., ileus, megacolon, abdominal distention).

Antibiotics may rarely cause a severe intestinal condition (Clostridium difficile-associated diarrhea) due to a type of resistant bacteria. Symptoms include: persistent diarrhea, abdominal or stomach pain/cramping, or blood/mucus in your stool. This condition may...

Read All Potential Precautions of Imodium »


Imodium Consumer (continued)

SIDE EFFECTS: Dizziness, drowsiness, tiredness, or constipation may occur. If any of these effects persist or worsen, contact your doctor promptly.

If your doctor has prescribed this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Stop taking this medication and seek immediate medical attention if any of these unlikely but serious side effects occur: severe constipation/nausea/vomiting, stomach/abdominal pain, uncomfortable fullness of the stomach/abdomen.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before taking loperamide, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: stomach/abdominal pain without diarrhea, bowel obstruction (e.g., ileus, megacolon, abdominal distention).

Antibiotics may rarely cause a severe intestinal condition (Clostridium difficile-associated diarrhea) due to a type of resistant bacteria. Symptoms include: persistent diarrhea, abdominal or stomach pain/cramping, or blood/mucus in your stool. This condition may occur weeks after antibiotic treatment has stopped. This medication may make this condition worse. Do not use this anti-diarrhea product, especially after recent antibiotic use, if you have the above symptoms without talking with your doctor first.

This medication should not be used without seeing your doctor first if you have certain medical conditions. These symptoms/conditions may require other treatment before you can use this medication safely. Before using this medication, tell your doctor or pharmacist your medical history, especially of: black/tarry stool, blood/mucus in your stool, high fever, HIV infection/AIDS, liver problems, certain stomach/intestinal infections (e.g., Salmonella, Shigella), certain type of bowel disease (acute ulcerative colitis).

This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Avoid alcoholic beverages.

Caution is advised when using this drug in children because they may be more sensitive to the effects of the drug, especially the drowsiness effect. Children are at higher risk for dehydration. (See also Uses, How to Use sections.)

During pregnancy, this medication should be used only if clearly needed. Discuss the risks and benefits with your doctor.

This drug passes into breast milk but is unlikely to have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.


Imodium Patient Information Including Side Effects

Brand Names: Diamode, Imodium A-D, Imodium A-D EZ Chews, Imodium A-D New Formula, Kao-Paverin, Kaopectate Caplet, Maalox Anti-Diarrheal

Generic Name: loperamide (oral) (Pronunciation: loe PER a mide)

  • What is loperamide (Imodium)?
  • What are the possible side effects of loperamide?
  • What is the most important information I should know about loperamide?
  • What should I discuss with my healthcare provider before taking loperamide?
  • How should I take loperamide?
  • What happens if I miss a dose?
  • What happens if I overdose?
  • What should I avoid while taking loperamide?
  • What other drugs will affect loperamide?
  • Where can I get more information?

What is loperamide (Imodium)?

Loperamide slows the rhythm of digestion so that the small intestines have more time to absorb fluid and nutrients from the foods you eat.

Loperamide is used to treat diarrhea. Loperamide is also used to reduce the amount of stool in people who have an ileostomy (re-routing of the bowel through a surgical opening in the stomach).

Loperamide may also be used for other purposes not listed in this medication guide.

What are the possible side effects of loperamide?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have any of these serious side effects:

  • stomach pain or bloating;
  • ongoing or worsening diarrhea;
  • diarrhea that is watery or bloody; or
  • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash.

Less serious side effects may include:

  • dizziness;
  • drowsiness, tired feeling;
  • constipation;
  • mild stomach pain; or
  • mild skin rash or itching.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about loperamide?

You should not use this medication if you are allergic to loperamide, or if you have stools that are bloody, black, or tarry, or if you have diarrhea that is caused by taking an antibiotic.

Before taking loperamide, tell your doctor if you are allergic to any drugs, or if you have a fever, mucus in your stools, a history of liver disease, or if you are taking an antibiotic.

Drink extra water while you are taking this medication to keep from getting dehydrated.

It may take up to 48 hours of taking loperamide before your symptoms improve. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after 10 days of treatment.

Loperamide can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

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