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(diphenoxylate hydrochloride and atropine sulfate) Tablets
(diphenoxylate hydrochloride and atropine sulfate) Liquid
Each Lomotil tablet and each 5 ml of Lomotil liquid for oral use contains:
diphenoxylate hydrochloride 2.5 mg
atropine sulfate ................. 0.025 mg
Diphenoxylate hydrochloride, an antidiarrheal, is ethyl 1-(3-cyano-3,3-diphenylpropyl)-4- phenylisonipecotate monohydrochloride and has the following structural formula:
Atropine sulfate, an anticholinergic, is endo-(±)-α-(hydroxymethyl) benzeneacetic acid 8-methyl-8- azabicyclo[3.2.1] oct-3-yl ester sulfate (2:1) (salt) monohydrate and has the following structural formula:
A subtherapeutic amount of atropine sulfate is present to discourage deliberate overdosage.
Inactive ingredients of Lomotil tablets include acacia, corn starch, magnesium stearate, sorbitol, sucrose, and talc. Inactive ingredients of Lomotil liquid include cherry flavor, citric acid, ethyl alcohol 15%, FD&C Yellow No. 6, glycerin, sodium phosphate, sorbitol, and water.
What are the possible side effects of atropine and diphenoxylate (Lomotil, Lonox, Vi-Atro)?
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;
- numbness in your hands or feet;
- depressed mood;
- confusion, unusual thoughts or behavior;
- fast heart rate; or
- urinating less than...
What are the precautions when taking diphenoxylate and atropine (Lomotil)?
Before taking diphenoxylate with atropine, tell your doctor or pharmacist if you are allergic to either drug; or to hyoscyamine; 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: liver disease (e.g., obstructive jaundice, cirrhosis), diarrhea caused by certain types of infections (Clostridium difficile-associated diarrhea following recent antibiotic therapy, bacterial infection of the gut caused by E. coli, Salmonella, Shigella).
Before using this medication, tell your doctor or pharmacist your...
Last reviewed on RxList: 2/1/2016
This monograph has been modified to include the generic and brand name in many instances.
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