• Adjunctive therapy of acute diarrhea.
• Chronic diarrhea associated with inflammatory bowel disease.
• Decreases the volume of ileostomy drainage.

Contraindicated in:

• Hypersensitivity
• Patients in whom constipation must be avoided
• Abdominal pain of unknown cause, especially if associated with fever
• Alcohol intolerance (liquid only).

Use Cautiously in:

• Hepatic impairment
• OB: Safety not established in pregnancy
• Pedi: Children <2 yr (safety and effectiveness not established)
• Geri: Older adults may have ↑ sensitivity to effects.

CV: CARDIAC ARREST, QT interval prolongation, syncope, TORSADES DE POINTES, VENTRICULAR ARRHYTHMIAS.

GI: constipation, abdominal pain/distention/discomfort, dry mouth, nausea, vomiting.

Neuro: drowsiness, dizziness.
Misc: (INCLUDING ANAPHYLAXIS)HYPERSENSITIVITY REACTIONS .

Drug-Drug:

• ↑CNS depression with other CNS depressants, including alcohol, antihistamines, opioid analgesics, and sedative/hypnotics.
• ↑anticholinergic properties with other drugs having anticholinergic properties, including antidepressants and antihistamines.
• Concurrent use of cimetidine, clarithromycin, erythromycin, gemfibrozil, itraconazole, ketoconazole, quinidine, quinine, or ritonavir may ↑ levels and risk of cardiac arrhythmias.

Drug-Natural Products:

• Kava-kava, valerian, skullcap, chamomile, or hops can ↑ CNS depression.

(Generic available)

• Tablets: 2 mg^OTC;
• Capsules: 2 mg;
• Oral liquid (mint): 1 mg/7.5 mL^OTC;
• In combination with: simethicone (Imodium Multi-Symptom Relief), see Appendix [not included in this PDA edition]).

Acute Diarrhea

• PO (Adults and Children 12 yr): 4 mg initially, then 2 mg after each loose stool. Maintenance dose usually 4–8 mg/day in divided doses (not to exceed 8 mg/day for OTC use or 16 mg/day for Rx use).
• PO (Children 9–11 yr or 30–47 kg): 2 mg initially, then 1 mg after each loose stool (not to exceed 6 mg/24 hr; OTC use should not exceed 2 days).
• PO (Children 6–8 yr or 24–30 kg): 1 mg initially, then 1 mg after each loose stool (not to exceed 4 mg/24 hr; OTC use should not exceed 2 days).
• PO (Children 2–5 yr or 13–20 kg): 1 mg initially, then 0.1 mg/kg after each loose stool (not to exceed 3 mg/24 hr; OTC use should not exceed 2 days).

Chronic Diarrhea

• PO (Adults): 4 mg initially, then 2 mg after each loose stool. Maintenance dose usually 4–8 mg/day in divided doses (not to exceed 16 mg/day for Rx use).
• PO (Children): 0.08–0.24 mg/kg/day divided 2–3 times/day (not to exceed 2 mg/dose).

Reduction of Ileostomy Output

• PO (Adults): 2 mg 2–3 times daily (tablets or capsules only); may ↑ dose in 2 mg/day increments if output remains elevated (not to exceed 16 mg/day for Rx use).

Imodium A-D

• Inhibits peristalsis and prolongs transit time by a direct effect on nerves in the intestinal muscle wall.
• Reduces fecal volume, increases fecal viscosity and bulk while diminishing loss of fluid and electrolytes.

• Relief of diarrhea.

Therapeutic Classification: antidiarrheals

Absorption: Not well absorbed following oral administration.

Distribution: Does not cross the blood-brain barrier.

Protein Binding: 97%.

Metabolism/Excretion: Metabolized partially by the liver, undergoes enterohepatic recirculation; 30% eliminated in the feces. Minimal excretion in the urine.

Half-life: 10.8 hr.

(relief of diarrhea)

• Instruct patient to take medication as directed. Do not take missed doses, and do not double doses. In acute diarrhea, medication may be ordered after each unformed stool. Advise patient not to exceed the maximum number of doses.
• May cause drowsiness. Advise patient to avoid driving or other activities requiring alertness until response to drug is known.
• Advise patient that frequent mouth rinses, good oral hygiene, and sugarless gum or candy may relieve dry mouth.
• Caution patient to avoid using alcohol and other CNS depressants concurrently with this medication.
• Instruct patient to notify health care professional if diarrhea persists or if fever, abdominal pain, or distention occurs.
• Advise females of reproductive potential to notify health care professional if breastfeeding.

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