By Aptalis Pharma US

What side effects are possible with this medication?

A side effect is an unwanted response to a medication when it is taken in normal doses and cannot be anticipated. It can be mild or severe, temporary or permanent, but does not occur in everyone. The following side effects have been reported by at least 1% of people taking this medication. If you develop any of these side effects (or any other side effects not listed here) or they change in intensity, speak to your doctor or pharmacist for advice on managing them and on the risks and benefits of the medication.

  • blurry vision
  • dizziness or light-headedness
  • drowsiness
  • dry mouth
  • headache
  • nausea and vomiting
  • nervousness
  • weakness
Click here to learn about serious side effects that can potentially occur with any medication. These examples are provided for information purposes only and are not meant to be exhaustive. Always consult your doctor for sound medical advice specific to your particular medication and treatment.

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration’s (FDA) MedWatch Adverse Event Reporting program online or by phone at 1-800-332-1088.

Are there any other precautions or warnings for this medication?

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 this medication.

Drowsiness/reduced alertness: This medication may cause blurred vision or drowsiness. Avoid activities requiring alertness or good vision if the medication affects you in this way.

Medical conditions: People with the following medical conditions should be closely monitored by their doctor while taking this medication: kidney disease, liver disease, myasthenia gravis, nervous system disorders, ulcerative colitis, high blood pressure, overactive thyroid, heart disease, congestive heart failure, irregular heartbeat, hiatal hernia, and enlarged prostate.

Mood changes: This medication can cause changes in your mood, such as confusion, disorientation, hallucinations, short term memory loss, and trouble sleeping. These side effects usually resolve within 24 hours of stopping dicyclomine.

Overheating: Dicyclomine can interfere with your ability to sweat, which may cause you to overheat in high temperatures. If this happens, stop taking the medication and contact your doctor.

Pregnancy: This medication should not be used during pregnancy unless the benefits outweigh the risks. If you become pregnant while taking this medication, contact your doctor immediately.

Breast-feeding: This medication passes into breast milk. If you are a breast-feeding mother and are taking dicyclomine, it may affect your baby. Women taking dicyclomine should not breast-feed.

Children: The safety and effectiveness of this medication have not been established for children. This medication may be harmful to infants less than 6 months of age.

Seniors: People over the age of 65 should discuss with their doctor how their age may affect the dosing and effectiveness of this medication, and whether any special monitoring is needed.

What other drugs could interact with this medication?

There may be an interaction between dicyclomine and any of the following:

  • amantadine
  • antacids (e.g., calcium carbonate)
  • antiglaucoma medications
  • antihistamines (e.g., diphenhydramine)
  • antipsychotic medications (e.g., chlorpromazine)
  • benzodiazepines (e.g., lorazepam)
  • certain medications for irregular heart rhythms (e.g., quinidine)
  • MAO inhibitors (e.g., phenelzine, tranylcypromine)
  • medications for glaucoma (e.g., betaxolol eye drops)
  • metoclopramide
  • narcotics (e.g., morphine)
  • nitrates and nitrites (e.g., isosorbide dinitrate)
  • other anticholinergic medications (e.g., scopolamine)
  • slow-dissolving types of digoxin
  • sympathomimetic medications (e.g., epinephrine)
  • tricyclic antidepressants (e.g., amitriptyline)

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 this medication. 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.

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The contents of this health site are for informational purposes only. Always seek the advice of your physician or other qualified healthcare provider regarding any questions you may have about a medical condition.

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