Compare granisetron vs. Reglan

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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granisetron

Prescription only

Reglan (metoclopramide)

Prescription only
Helps prevent nausea and vomiting due to chemotherapy or radiation treatment

granisetron is a safe and effective medication used for preventing nausea and vomiting due to chemotherapy and radiation, but it can be very expensive.

Relieves nausea and vomiting.

Reglan (metoclopramide) can stimulate your gut and relieve nausea, but it can only be used for a short period of time due to avoid serious side-effects.

Upsides
  • granisetron is effective even for those who are using chemotherapy that is associated with a high risk for causing nausea and vomiting.
  • Safe and effective option for older people, unlike some other alternatives.
  • You only need to take granisetron on the days you actually receive chemotherapy and radiation.
  • A patch form of the medication is available for those who don't want to or who are unable to take pills.
  • Safe to use for people with kidney problems.
  • Especially useful for relieving nausea caused by cancer chemotherapy.
  • Available in an affordable, generic version
  • If tablets are hard for you to swallow, Reglan (metoclopramide) is also available in as an orally disintegrating tablet or liquid form.
Downsides
  • granisetron only prevents symptoms of nausea and vomiting so you must take the medication before you get chemotherapy or radiation treatment.
  • Can affect the natural rhythm of your heart, especially if you take other medications that can also potentially cause the same problem.
  • Might not be a good option for those who are on certain antidepressants.
  • granisetron is very expensive compared to similar alternatives.
  • Very likely to cause side effects like headache and constipation.
  • Use for more than 12 weeks can cause involuntary movements of the eyes, tongue, face, arm, or legs.
  • May take a while to relieve nausea and vomiting caused by delayed gastric emptying.
  • Not a good option if you have Parkinson's disease, history of seizures, or blockage in your gut.
  • You may need a lower dose if you have kidney problems.
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Used for
  • Prevention of chemotherapy-associated nausea and vomiting
  • Prevention of radiation-associated nausea and vomiting
  • Prevention of post-surgery nausea and vomiting
  • Diabetic gastroparesis
  • Gastroesophegeal reflux
  • Prevention of nausea and vomiting associated with chemotherapy
  • Prevention of postoperative nausea and vomiting
  • Radiological exam
  • Small bowel intubation
  • Gastric bezoars
  • Hiccups
  • Acute migraine
  • Treatment of nausea and vomiting in advanced cancer
  • Prevention of radiation therapy-induced nausea and vomiting
Dosage forms
  • Pill
  • Pill
  • Dissolving tablet
  • Liquid
  • Injectable
Price
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Reviews
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Side effects
6possible side effects
  • Headache
    20%
  • Weakness
    18%
  • Constipation
    14%
  • Diarrhea
    9%
  • Indigestion
    6%
  • Stomach pain
    4%
See more detailed side effects
4possible side effects
  • Restlessness
    10%
  • Drowsiness
    10%
  • Fatigue
    10%
  • Lack of energy
    10%
See more detailed side effects
Risks and risk factors
  • Serotonin syndrome
    • Taking other medications that also affect serotonin levels in the brain
  • Effects on heart
    • History of arrhythmias
    • Taking other medications that can also cause irregular heartbeat
    • Electrolyte imbalance
  • Constipation
    • History of constipation problems
    • Those who had recent abdominal surgery
See more detailed risks and warnings
  • Late, irreversible, involuntary movements (tardive dyskinesia)
    • Elderly
    • Women
    • Diabetics
  • Depression
    • Depression
  • Neuroleptic malignant syndrome
  • Early, reversible involuntary movements (extrapyramidal side-effects)
    • Younger than 30 years old
    • High doses of Reglan (metoclopramide)
    • Children and teens
See more detailed risks and warnings