Reglan (Metoclopramide (Oral/Injection)) – Side Effects, Interactions, Uses, Dosage, Warnings

Metoclopramide increases muscle contractions in the upper digestive tract. This speeds up the rate at which the stomach empties into the intestines.

Metoclopramide oral (taken by mouth) is used for 4 to 12 weeks to treat heartburn caused by gastroesophageal reflux in people who have used other medications without relief.

Metoclopramide oral is also used to treat gastroparesis (slow stomach emptying) in people with diabetes, which can cause heartburn and stomach discomfort after meals.

Metoclopramide injection is used to treat severe diabetic gastroparesis. The injection is also used to prevent nausea and vomiting caused by chemotherapy or surgery, or to aid in certain medical procedures involving the stomach or intestines.

Metoclopramide may also be used for purposes not listed in this medication guide.


What is Reglan (Metoclopramide (Oral/Injection)) used for?

  • Gastroesophageal Reflux Disease
  • Gastroparesis
  • Nausea/Vomiting — Chemotherapy Induced
  • Radiographic Exam
  • Small Intestine Intubation
  • Nausea/Vomiting — Postoperative


What is the most important information I should know about Reglan (Metoclopramide (Oral/Injection))?

You should not use metoclopramide if you are allergic to it, or if you have:

  • tardive dyskinesia (a disorder of involuntary movements);
  • stomach or intestinal problems such as a blockage, bleeding, or perforation (a hole or tear in your stomach or intestines);
  • epilepsy or other seizure disorder;
  • an adrenal gland tumor (pheochromocytoma); or
  • if you've ever had muscle movement problems after using metoclopramide or similar medicines.

Tell your doctor if you have ever had:

  • liver or kidney disease;
  • problems with muscle movements;
  • congestive heart failure or a heart rhythm disorder;
  • high blood pressure;
  • seizures;
  • breast cancer;
  • Parkinson's disease;
  • diabetes; or
  • depression or mental illness.

This medicine may contain phenylalanine. Check the medication label if you have phenylketonuria (PKU).

Tell your doctor if you are pregnant. Metoclopramide may harm an unborn baby if you use the medicine during late pregnancy.

It may not be safe to breast-feed a baby while you are using this medicine. Ask your doctor about any risks.

Metoclopramide is not approved for use by anyone younger than 18 years old.

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Side Effects

What are the side effects of Reglan (Metoclopramide (Oral/Injection))?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop taking metoclopramide and call your doctor at once if you have any of these SIGNS OF A SERIOUS MOVEMENT DISORDER, which may occur within the first 2 days of treatment:

  • tremors or shaking in your arms or legs;
  • uncontrolled muscle movements in your face (chewing, lip smacking, frowning, tongue movement, blinking or eye movement); or
  • any new or unusual muscle movements you cannot control.

Call your doctor at once if you have:

  • confusion, depression, thoughts of suicide or hurting yourself;
  • slow or jerky muscle movements, problems with balance or walking;
  • mask-like appearance in your face;
  • a seizure;
  • anxiety, agitation, jittery feeling, trouble staying still, trouble sleeping;
  • swelling, feeling short of breath, rapid weight gain; or
  • severe nervous system reaction–very stiff (rigid) muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, feeling like you might pass out.

Common side effects may include:

  • feeling restless;
  • feeling drowsy or tired;
  • lack of energy;
  • nausea, vomiting;
  • headache, confusion; or
  • sleep problems (insomnia).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Pregnancy & Breastfeeding

Can I take Reglan (Metoclopramide (Oral/Injection)) if I’m pregnant or breastfeeding?

No evidence of risk in humans
Based on FDA pregnancy categories

Tell your doctor if you are pregnant. Metoclopramide may harm an unborn baby if you use the medicine during late pregnancy.

It may not be safe to breast-feed a baby while you are using this medicine. Ask your doctor about any risks.


What drugs and food should I avoid while taking Reglan (Metoclopramide (Oral/Injection))?

Drinking alcohol with this medicine can cause side effects.

Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.

Dosage Guidelines & Tips

How to take Reglan (Metoclopramide (Oral/Injection))?

Use Reglan (Metoclopramide (Oral/Injection)) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Follow the directions on your prescription label and read all medication guides. Use the medicine exactly as directed.

A metoclopramide injection is given into a muscle or as an infusion into a vein. A healthcare provider will give the injection, usually during surgery, chemotherapy, or a medical procedure.

Metoclopramide oral is taken for only 4 to 12 weeks.

NEVER USE METOCLOPRAMIDE IN LARGER AMOUNTS THAN RECOMMENDED, OR FOR LONGER THAN 12 WEEKS. High doses or long-term use of metoclopramide can cause a serious movement disorder that may not be reversible. The longer you use metoclopramide, the more likely you are to develop this movement disorder. The risk of this side effect is higher in diabetics and older adults (especially women).

Metoclopramide is usually taken 30 minutes before meals and at bedtime, or only with meals that usually cause heartburn. Follow your doctor's dosing instructions very carefully.

Do not use two different forms of metoclopramide (such as tablets and oral syrup) at the same time.

Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

To take the orally disintegrating tablet (ODT):

  • Remove a tablet from its blister pack only when you are ready to take the tablet. Use dry hands and take care not to damage a tablet while pushing it out of the blister.
  • Place the tablet in your mouth and allow it to dissolve, without chewing or swallowing it whole. You may sip liquid if needed to help swallow the dissolved tablet.

Store at room temperature in a tightly-closed container, away from moisture and heat. Keep the bottle tightly closed.

After you stop taking metoclopramide, you may have unpleasant withdrawal symptoms such as headache, dizziness, or nervousness.

What should I do if I missed a dose of Reglan (Metoclopramide (Oral/Injection))?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

Overdose Signs

What happens if I overdose on Reglan (Metoclopramide (Oral/Injection))?

If you think you or someone else may have overdosed on: Reglan (Metoclopramide (Oral/Injection)),  call your doctor or the Poison Control center

(800) 222-1222

If someone collapses or isn't breathing after taking Reglan (Metoclopramide (Oral/Injection)), call 911



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