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 317 118
Gastroparesis 21 9
Kidney stone 18 10
Vomiting 11 3
Migraine headaches 9 3

Show all 54 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 Percentage
Severe 7
Moderate 17
Mild 35
None 162

Commonly reported side effects and conditions associated with Ondansetron

Side effect Patients Percentage
Constipation 12
Headaches 12
Drowsiness 7
Dizziness 4
Sleepiness 4
Tiredness 4

Show all 26 reported side effects

Dosages

Based on patients currently taking Ondansetron

Dosage Patients Percentage
4mg as needed 42
8mg as needed 24
8 mg three times daily 6
8 mg daily 5
4 mg three times daily 5
4 mg twice daily 4
4 mg daily 2
4 mg four times daily 2
8 mg twice daily 2
8 mg four times daily 2

See all 18 dosages

Why patients stopped taking Ondansetron

Multiple reasons could be selected

Reason Patients Percentage
Course of treatment ended 39
Other 34
Did not seem to work 25
Doctor's advice 16
Side effects too severe 12
Change in health plan coverage 8
Expense 6
Personal research 1
See all 120 patients who've stopped taking Ondansetron

Duration

Currently taking Ondansetron

Duration Patients Percentage
1 - 6 months 2
6 months - 1 year 9
1 - 2 years 16
2 - 5 years 32
5 - 10 years 31
10 years or more 10

Stopped taking Ondansetron

Duration Patients Percentage
Less than 1 month 47
1 - 6 months 34
6 months - 1 year 9
1 - 2 years 15
2 - 5 years 13
5 - 10 years 5
10 years or more 2
Adherence
Adherence Evaluations Percentage
Always 162
Usually 32
Sometimes 22
Never taken as prescribed 5
Burden
Burden Evaluations Percentage
Very hard to take 4
Somewhat hard to take 9
A little hard to take 14
Not at all hard to take 194
Cost per month
Cost per month Evaluations Percentage
$200+ 1
$100-199 3
$50-99 2
$25-49 18
< $25 85
Not specified 112

What people switch to and from

Patients started taking Ondansetron after stopping:

Treatment Patients Percentage
Promethazine (Phenergan) 28
Metoclopramide (Reglan) 6
Prochlorperazine (Compazine) 3
Bismuth subsalicylate (Pepto-Bismol) 1
Cyclizine 1

Show all 10 treatments patients report switching from

Patients stopped taking Ondansetron and switched to:

Treatment Patients Percentage
Promethazine (Phenergan) 12
Prochlorperazine (Compazine) 3
Medical marijuana (Cannabidiol/Tetrahydrocannabinol Balanced Mixture) 2
Metoclopramide (Reglan) 2
Carbamazepine (Tegretol) 1

Show all 11 treatments patients report switching to

Last updated:

13 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 13 patient evaluations for Ondansetron