Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.

The side effects listed below are not experienced by everyone who takes Imodium Quick Dissolve (Loperamide). If you are concerned about side effects, discuss the risks and benefits of Imodium Quick Dissolve (Loperamide) with your doctor.

The following side effects have been reported by at least 1% of people taking Imodium Quick Dissolve (Loperamide). Many of these side effects can be managed, and some may go away on their own over time.

Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.

• burning or prickly sensation on the tongue (quick-dissolve tablets)
• dizziness
• drowsiness
• Dry Mouth
• gas
• headache
• nausea or vomiting
• tiredness

Although most of the side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

• abdominal or stomach pain, cramps, discomfort, or distention
• Constipation
• decreased coordination
• difficulty urinating
• rash
• shortness of breath

Stop taking the medication and seek immediate medical attention if any of the following occur:

• symptoms of a Anaphylaxis (severe allergic reaction), e.g.:
• difficulty breathing
• Hives
• peeling or blistering skin
• swelling of the mouth or throat

Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking Imodium Quick Dissolve (Loperamide).

Caplets
Each light green, capsule-shaped tablet embossed "Imodium A-D" on one side and "2 mg" on the other side, contains 2 mg of Imodium Quick Dissolve (Loperamide) HCl. Nonmedicinal ingredients: cellulose, colloidal silicon dioxide, D&C Yellow No. 10, dibasic calcium phosphate, FD&C Blue No. 1, and magnesium stearate. Imodium Quick Dissolve (Loperamide) does not contain bisulfites, gluten, lactose, sodium, or tartrazine.

Quick Dissolve Tablets
Each white, circular tablet contains 2 mg of Imodium Quick Dissolve (Loperamide) HCl. Nonmedicinal ingredients: aspartame, flavour, gelatin, mannitol, and sodium bicarbonate. Imodium Quick Dissolve (Loperamide) contains phenylalanine. It does not contain bisulfites, gluten, lactose, or tartrazine.

Solution
Each 15 mL of opaque green oral solution with a mint odour contains 2 mg of Imodium Quick Dissolve (Loperamide) HCl. Nonmedicinal ingredients: carboxymethylcellulose sodium, cellulose, citric acid, D&C Yellow No. 10, dimethyl siloxane, FD&C Blue No. 1, flavour, glycerin, methylcellulose, propylene glycol, purified water, simethicone, sodium benzoate, sorbic acid, sucralose, titanium dioxide, and xanthan gum.

Liqui-Gels
Each liquid filled, clear blue-coloured, oval-shaped, non-printed capsule contains 2  mg of Imodium Quick Dissolve (Loperamide) hydrochloride. Nonmedicinal ingredients: FD&C Blue No. 1, gelatin, glycerol, propylene glycol, propylene glycol monocaprylate, soya lecithin, triglycerides and water.

Do not use Imodium Quick Dissolve (Loperamide) if you:

• are allergic to Imodium Quick Dissolve (Loperamide) or any ingredients of the medication
• have acute Dysentery (characterized by blood in the stool and Fever)
• have acute Ulcerative Colitis
• have diarrhea caused by certain bacteria (e.g., salmonella, shigella and campylobacter)
• have pseudomembranous colitis (severe antibiotic-associated diarrhea)
• should avoid being constipated
• should not have the movement of the of intestines slowed (e.g. ileus, toxic megacolon)

Do not give Imodium Quick Dissolve (Loperamide) to children less than 2 years of age.

There may be an interaction between Imodium Quick Dissolve (Loperamide) and any of the following:

• Abiraterone
• alcohol
• Amiodarone
• anti-psychotics (e.g., Chlorpromazine, Clozapine, Haloperidol, Olanzapine, Quetiapine, Risperidone)
• "azole" antifungals (e.g., fluconazole, itraconazole, Voriconazole)
• barbiturates (e.g., Phenobarbital, butalbital)
• benzodiazepines (e.g., Diazepam, Lorazepam)
• Carbamazepine
• Carvedilol
• chloroquine
• Cyclosporine
• Desmopressin
• Dipyridamole
• Disopyramide
• dofetilide
• Domperidone
• Dronedarone
• Flecainide
• Gemfibrozil
• macrolide antibiotics (e.g., clarithromycin, erythromycin)
• Methadone
• mifepristone
• nefazodone
• procainamide
• protein kinase inhibitors (e.g., imatinib, Dasatinib, Pazopanib, Sunitinib)
• quinidine
• quinine
• quinolone antibiotics (e.g., ciprofloxacin, Ofloxacin, sparfloxacin)
• rifampin
• rilpivirine
• ritonavir
• St John's wort
• selective serotonin reuptake inhibitors (SSRIs; e.g., Citalopram, Fluoxetine, Paroxetine, Sertraline)
• serotonin antagonists (anti-emetic medications; e.g., Dolasetron, Granisetron, Ondansetron)
• Sotalol
• tenofovir
• Tetrabenazine
• tricyclic antidepressants (e.g., Amitriptyline, Nortriptyline)
• Verapamil

If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:

• stop taking one of the medications,
• change one of the medications to another,
• change how you are taking one or both of the medications, or
• leave everything as is.

An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.

Medications other than those listed above may interact with Imodium Quick Dissolve (Loperamide). Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the Nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.

Before you begin using a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use Imodium Quick Dissolve (Loperamide).

Acquired immune deficiency syndrome (AIDS): People with AIDS should stop taking Imodium Quick Dissolve (Loperamide) and contact their doctor if they experience abdominal swelling or distention.

Constipation: If you develop constipation, stop taking Imodium Quick Dissolve (Loperamide) and contact your doctor.

Drowsiness or dizziness: Imodium Quick Dissolve (Loperamide) may cause drowsiness or dizziness. Do not drive or operate machinery until you know how Imodium Quick Dissolve (Loperamide) affects you.

Fluids and electrolytes: The loss of fluids and electrolytes (e.g., chloride, sodium) can occur if you have diarrhea. Imodium Quick Dissolve (Loperamide) helps with the symptoms of diarrhea but will not correct any fluid or electrolyte problems caused by diarrhea. Talk to your doctor or pharmacist about whether you need fluid and electrolyte replacement, also referred to as oral rehydration therapy.

Improvement in diarrhea: If your diarrhea has not improved after 48 hours of treatment with Imodium Quick Dissolve (Loperamide), stop taking it and contact your doctor.

Liver function: Liver disease or reduced liver function may cause Imodium Quick Dissolve (Loperamide) to build up in the body, causing side effects. If you have liver problems, discuss with your doctor how Imodium Quick Dissolve (Loperamide) may affect your medical condition, how your medical condition may affect the dosing and effectiveness of Imodium Quick Dissolve (Loperamide), and whether any special monitoring is needed.

Medical conditions: Imodium Quick Dissolve (Loperamide) should not be used by people with intestinal infections such as dysentery, which is often associated with severe diarrhea, fever, and blood in the stool, and other infections of the gut. A more serious problem of the bowel may develop if Imodium Quick Dissolve (Loperamide) is used by some people with acute ulcerative colitis or a serious form of diarrhea associated with antibiotic use.

Pregnancy: Imodium Quick Dissolve (Loperamide) should not be used during pregnancy unless the benefits outweigh the risks. If you become pregnant while taking Imodium Quick Dissolve (Loperamide), contact your doctor immediately.

Breast-feeding: Imodium Quick Dissolve (Loperamide) passes into breast milk. If you are a breast-feeding mother and are taking Imodium Quick Dissolve (Loperamide), it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.

Children: Imodium Quick Dissolve (Loperamide) is not recommended for use in children under the age of 12 except on the advice of a physician. Imodium Quick Dissolve (Loperamide) should not be given to children under 6 years of age without medical prescription and supervision. Imodium Quick Dissolve (Loperamide) tablets are not suitable for children under 6 years of age. Imodium Quick Dissolve (Loperamide) should not be used for children under 2 years of age. (See "Who should not take Imodium Quick Dissolve (Loperamide).")