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What is Duvoid (Bethanechol) prescribed for?

Duvoid is used to treat urinary retention, which is a condition in which you find it difficult to urinate, or to empty the bladder completely due to various causes. This may happen after surgery or after delivering a baby, and bladder muscle problems. This medication works by stimulating your bladder to empty, and overall helping the bladder muscle squeeze better, and thereby improving your ability to urinate. If you have any questions regarding this medication, please bring your questions to the attention of your doctor and see if this medication is right for you.

This medication comes in two different strengths which are 25mg and 50mg. Remember your dose is based on your medical background and your overall response to the treatment. If your doctor or pharmacist has given you some information in the form of a pamphlet, take the time to read up on this drug, and if you have any questions or concerns regarding this medication, please consult your doctor.

This medication is to be taken by mouth on an empty stomach. Usually about 3 to 4 times a day. When taking this medication remember to take it either 1 hour before a meal, or 2 hours after a meal.  Taking this medication on an empty stomach helps reduce any side effects such as nausea and vomiting.

Remember that the dosage is based on your medical condition, and your response to the treatment.  Take the medicine regularly to gain the most amount of benefit.



Before taking this medication, tell your doctor if you are allergic to Bethanechol or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems


Before using this medication, tell your doctor or pharmacist your medical history. Especially if you have had any of the following; recent stomach/intestinal/bladder surgery, stomach/intestinal problems (e.g., ulcers, blockage, spasms), peritonitis, blockage of the bladder, a certain nerve problem (vagotonia), overactive thyroid (hyperthyroidism), lung disease (e.g., asthma, chronic obstructive pulmonary disease-COPD), heart problems (e.g., coronary artery disease, slow heartbeat), seizures, Parkinson's disease, blood pressure problems.


Side Effects

Common side effects of this medication do include the following; Dizziness, lightheadedness, nausea, vomiting, abdominal cramps/pain, diarrhea, increased saliva/urination, sweating, flushing, watery eyes, or headache.  It is best to speak with your doctor promptly if you are experiencing any of these side effects.

However unlikely, these serious side effects should to brought to you doctor’s attention right way; fainting, fast heartbeat, severe abdominal pain.

Seek medical attention right away if you are experiencing any of the following; trouble breathing.


What happens if I suddenly stop taking this medication?

There may be a relapse in symptoms as well as side effects. You should speak your doctor before stop taking this medication.


What is the best dosage to take?

The diagnosis with your doctor will be able to determine the best dosage for your treatment. Work with your doctor closely for dosage and dosing schedules.


What happens if I miss a dose?

You should take the missed dose as soon you realize you have forgotten. If the forgotten dose is closer to your next scheduled dose, take the next schedule dose to avoid overlapping in dose.


What is the best way to store this medication?

This medication is stored at room temperature, and should be kept away from children and pets. Do not throw away this medication in the wastebasket. If you are uncertain how to dispose of this medication speak with your pharmacist for help in safely disposing of this medication.

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