What is Ondansetron?

Category: Prescription Drugs

Most popular types: Zofran Zofran ODT Novo-Ondansetron Show all

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Ondansetron is an antiemtic drug used to prevent nausea and vomiting following chemotherapy, radiation therapy, or surgery.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Nausea 273 98
Gastroparesis 20 8
Kidney stone 17 10
Migraine headaches 10 4
Vomiting 9 2

Show all 51 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 6
Moderate 14
Mild 34
None 135

Commonly reported side effects and conditions associated with Ondansetron

Side effect Patients
Constipation 11
Headaches 11
Drowsiness 6
Dizziness 3
Sleepiness 3
Dry mouth 2

Show all 28 reported side effects

Dosages

Based on patients currently taking Ondansetron

Dosage Patients
4mg as needed 58
8mg as needed 25
4 mg twice daily 9
8 mg three times daily 7
8 mg daily 4
4 mg three times daily 4
4 mg daily 3
4 mg four times daily 2
4 mg monthly 1
8 mg monthly 1

See all 24 dosages

Why patients stopped taking Ondansetron

Multiple reasons could be selected

Reason Patients
Course of treatment ended 36
Other 31
Did not seem to work 22
Doctor's advice 14
Side effects too severe 11
Change in health plan coverage 7
Expense 5
Personal research 1
See all 109 patients who've stopped taking Ondansetron

Duration

Currently taking Ondansetron

Duration Patients
1 - 6 months 10
6 months - 1 year 14
1 - 2 years 21
2 - 5 years 44
5 - 10 years 28
10 years or more 7

Stopped taking Ondansetron

Duration Patients
Less than 1 month 40
1 - 6 months 32
6 months - 1 year 9
1 - 2 years 13
2 - 5 years 12
5 - 10 years 4
10 years or more 2
Adherence
Adherence Evaluations
Always 137
Usually 30
Sometimes 19
Never taken as prescribed 3
Burden
Burden Evaluations
Very hard to take 3
Somewhat hard to take 9
A little hard to take 13
Not at all hard to take 164
Cost per month
Cost per month Evaluations
$200+ 1
$100-199 3
$50-99 2
$25-49 17
< $25 79
Not specified 87

What people switch to and from

Patients started taking Ondansetron after stopping:

Treatment Patients
Promethazine (Phenergan) 25
Metoclopramide (Reglan) 6
Prochlorperazine (Compazine) 3
Bismuth subsalicylate (Pepto-Bismol) 1
Domperidone (Motilium) 1

Show all 8 treatments patients report switching from

Patients stopped taking Ondansetron and switched to:

Treatment Patients
Promethazine (Phenergan) 10
Medical marijuana (Cannabidiol/Tetrahydrocannabinol Balanced Mixture) 2
Metoclopramide (Reglan) 2
Prochlorperazine (Compazine) 2
Hyoscyamine (Levsin) 1

Show all 7 treatments patients report switching to

Last updated:

14 patient evaluations for Ondansetron

Aug 24, 2017 (Started Jun 30, 2012)

  • Effectiveness
    Major (for nausea)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: As needed
Cost: $25-49 monthly

Aug 27, 2016 (Started Jun 30, 2012)

  • Effectiveness
    Major (for nausea)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: As needed

  • 0 helpful marks

Sep 16, 2016 (Started Aug 15, 2014)

  • Effectiveness
    Major (for nausea and vomiting)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: As needed

  • 0 helpful marks

Aug 21, 2016 (Started Jan 15, 2016)

  • Effectiveness
    Major (for nausea)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: As needed
Advice & Tips: Generic Zofran ODT is the best stomach treatment I have found. When nothing else works, this one does.
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 14 patient evaluations for Ondansetron