Treating irritable bowel syndrome and intestinal inflammation in combination with other medicines. It may also be used along with other medicines to treat intestinal ulcers. It may also be used for other conditions as determined by your doctor.

Alkabel-SR controlled-release tablets are an anticholinergic and barbiturate combination. It works by decreasing the motion of the muscles in the stomach and intestine and providing mild sedation.

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  • Alkabel-SR and Donnatal Extentabs
  • Severity: Major
    You should check with your doctor immediately if any of these side effects occur when taking atropine / hyoscyamine / phenobarbital / scopolamine:

    Eye pain
    skin rash or hives
    sore throat and fever
    unusual bleeding or bruising
    yellow eyes or skin
    Severity: Minor
    Some of the side effects that can occur with atropine / hyoscyamine / phenobarbital / scopolamine may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

    More common:
    decreased sweating
    dry mouth, nose, throat, or skin
    Less common or rare:
    Bloated feeling
    blurred vision
    decreased flow of breast milk
    difficult urination
    difficulty in swallowing
    increased sensitivity of eyes to sunlight
    loss of memory
    nausea or vomiting
    unusual tiredness or weakness
  • (oral capsule, oral elixir, oral tablet, extended release, oral tablet, oral liquid)