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Robinul vs. Bentyl

Are Robinul and Bentyl the Same Thing?

Robinul Injection (glycopyrrolate) and Bentyl (dicyclomine) are anticholinergics used for different conditions.

Robinul is used to control conditions such as peptic ulcers that involve excessive stomach acid production. The injectable form of Robinul is also used to reduce saliva, nasal, lung, and stomach secretions and to help control heart rate during surgery.

Bentyl is prescribed for irritable bowel syndrome (IBS).

Side effects of Robinul and Bentyl that are similar include drowsiness, dizziness, weakness, blurred vision, dry eyes, dry mouth, vomiting, constipation, stuffy nose, flushing (warmth, redness, or tingly feeling), and abdominal bloating.

Side effects of Robinul that are different from Bentyl include a sinus pain.

Side effects of Bentyl that are different from Robinul include confusion, agitation, increased heart rate, difficulty urinating, headache, nervousness, lightheadedness, nausea, or rash.

Both Robinul and Bentyl may interact with alcohol, amantadine, phenothiazines, or antidepressants.

Robinul may also interact with quinidine, antihistamines, decongestants, or appetite suppressants.

Bentyl may also interact with antacids, other medicines that make you sleepy (such as cold or allergy medicines, sedatives, narcotics, sleeping pills, muscle relaxers, and medicines for seizures or anxiety), digoxin, metoclopramide, atropine, belladonna, benztropine, dimenhydrinate, methscopolamine, scopolamine, bronchodilators, bladder or urinary medications, heart rhythm medications, irritable bowel medications, MAO inhibitors, nitrate medications, steroids, or ulcer medications.

What Are Possible Side Effects of Robinul?

Common side effects of Robinul include:

  • drowsiness,
  • dizziness,
  • weakness,
  • blurred vision,
  • dry eyes,
  • dry mouth,
  • vomiting,
  • constipation,
  • abdominal bloating,
  • stuffy nose,
  • sinus pain, or
  • flushing (warmth, redness, or tingly feeling).

Tell your doctor if you experience unlikely but serious side effects of Robinul Injection including:

  • decreased sweating,
  • fast/irregular heartbeat,
  • mental/mood changes (such as confusion, hallucinations, agitation, nervousness, unusual excitement),
  • difficulty urinating, or
  • decreased sexual ability.

What Are Possible Side Effects of Bentyl?

Common side effects of Bentyl include:

  • dry mouth,
  • blurred vision,
  • dry eyes,
  • confusion,
  • agitation,
  • increased heart rate,
  • constipation,
  • difficulty urinating,
  • headache,
  • nervousness,
  • drowsiness,
  • weakness,
  • dizziness,
  • lightheadedness,
  • flushing,
  • nausea,
  • vomiting,
  • rash,
  • stuffy nose, and
  • abdominal bloating

What Is Robinul?

Robinul Injection (glycopyrrolate) is an anticholinergic that helps to control conditions such as peptic ulcers that involve excessive stomach acid production. The injectable form of Robinul is also used to reduce saliva, nasal, lung, and stomach secretions and to help control heart rate during surgery. Robinul Injection is available in generic form.

What Is Bentyl?

Bentyl (dicyclomine) is an anticholinergics prescribed for irritable bowel syndrome (IBS).

What Drugs Interact With Robinul?

Robinul may interact with amantadine, quinidine, antihistamines, decongestants, appetite suppressants, phenothiazines, or antidepressants. Tell your doctor all prescription and over-the-counter medications you use. During pregnancy, Robinul should be used only when prescribed. It is unknown if this drug passes into breast milk. Consult your doctor before breastfeeding.

What Drugs Interact With Bentyl?

Bentyl may interact with amantadine, MAO inhibitors, phenothiazines, or antidepressants.

Bentyl may also interact with other medicines that make you sleepy (such as cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, or anxiety), digoxin, metoclopramide, atropine, belladonna, benztropine, dimenhydrinate, methscopolamine, scopolamine, bronchodilators, bladder or urinary medications, heart rhythm medications, irritable bowel medications, nitrates, steroids, or ulcer medications.

How Should Robinul Be Taken?

Robinul injection is administered intramuscularly (IM) or intravenously (IV), under a physician's supervision. Dose depends on the condition being treated.

How Should Bentyl Be Taken?

The usual doses of Bentyl range from from 20 - 40 mg given 4 times daily.

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