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Cisapride Oral Suspension (Lactulose)

Cisapride Oral Suspension (Lactulose)

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Select Strength: 1.25/667mg/mL
Select size: 60 mL
Select flavor request:
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Cisapride is a compounded formulation containing Cisapride, prepared by Mixlab for veterinary use. Available by prescription.

How to Give Lactulose Oral Suspension

Lactulose is a thick, sweet syrup used to treat constipation and can help mask medication taste. Here’s how to give it:

  1. Shake well before each dose – it’s thick and can settle.
  2. Measure the dose slowly using an oral syringe. You can draw from the bottle or a small cup.
  3. Give by mouth: Gently insert the syringe into your pet’s cheek and slowly push the plunger. Most pets like the sweet taste.
  4. Let them swallow gradually if the dose is large – go in small amounts if needed.
  5. Offer water after to rinse the mouth and help with any sticky residue.
  6. Praise your pet – they may enjoy this one!
  7. Clean the syringe with warm soapy water right away to prevent stickiness.
  8. Store tightly closed at room temp unless told otherwise. If it crystallizes, contact your vet.

The uses and pharmacology described below reflect the FDA-approved labeling for this active ingredient; your veterinarian determines whether and how they apply to your animal's treatment plan.

Veterinarians most commonly consider cisapride for feline patients presented with chronic constipation or megacolon. It is also frequently a point of discussion for managing canine patients with esophageal reflux or localized delays in stomach emptying (gastroparesis). By enhancing the tone and coordination of the smooth muscles in the gut, your veterinarian can manage the transition of food and waste through the gastrointestinal system. At a pharmacological level, cisapride acts as a serotonin 5-HT4 receptor agonist and a 5-HT3 receptor antagonist. the stimulation of 5-HT4 receptors on the enteric neurons triggers the release of acetylcholine at the myenteric plexus. This increase in acetylcholine promotes the contraction of smooth muscle across the entire length of the digestive tract, including the esophagus, stomach and intestines. cisapride provides a advantage by influencing motility in the distal portions of the gut, such as the colon. Your veterinarian will determine the clinical appropriateness of cisapride based on diagnostic findings like radiographs or ultrasound.

Prescription only. Use only under the direction of a licensed veterinarian. This information is not a substitute for veterinary diagnosis, prescribing or monitoring. Compounded drugs are not approved by the FDA for safety or effectiveness.

Commonly observed effects following the administration of cisapride include localized digestive changes such as loose stools, diarrhea or abdominal discomfort. Some pets may exhibit behavioral shifts including lethargy or a decrease in appetite. Owners should monitor their pet for any unusual signs of abdominal pain or significant shifts in bowel habits and contact their veterinarian promptly with any concerns. This medication is typically used with extra caution or avoided in patients presented with a known gastrointestinal obstruction or perforation, as increased motility can be counterproductive in these cases. It is also carefully evaluated in pets with a history of cardiac arrhythmias or hepatic impairment. Significant interactions can occur if cisapride is administered concurrently with certain antifungal medications or macrolide antibiotics, as these combinations can influence the clearance of cisapride from the system. Your veterinarian is the right person to provide guidance on the necessary duration of use and to ensure the administration protocol is appropriately tailored to your pet's health status.

Do I need a prescription to get cisapride for my pet?

Yes. Cisapride is a prescription medication and can only be dispensed by a licensed pharmacy upon receipt of a valid authorization from a licensed veterinarian. Mixlab verifies all veterinarian-client-patient relationships before any medication is prepared or shipped to your home.

Can cisapride be compounded for my pet?

Yes. Because cisapride is no longer available as a commercial product in many regions, Mixlab specializes in compounding it into customized strengths and flavored dosage forms—such as flavored oral liquids or capsules—to suit the specific needs of dogs and cats. The decision to use a compounded formulation rests with the prescribing veterinarian.

What is cisapride used for in cats?

Veterinarians most commonly discuss cisapride for cats to manage chronic constipation or megacolon. It acts by stimulating the muscles in the digestive tract to move contents through the system more.

Will cisapride cause diarrhea?

Because cisapride increases the movement of the digestive tract, loose stools or diarrhea are commonly observed effects. If these changes become persistent or if your pet appears to be in pain, you should contact your veterinarian for clinical guidance.

Mixlab is a licensed veterinary pharmacy dispensing both compounded and commercial medications, operating under the oversight of licensed pharmacists and in compliance with applicable state and federal pharmacy regulations. Compounded medications are prepared in compliance with USP standards and under PCAB-accredited practices. All medications dispensed by Mixlab require a valid prescription from a licensed veterinarian.
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