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 305 107
Gastroparesis 20 8
Kidney stone 17 10
Vomiting 10 2
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
Severe 6
Moderate 16
Mild 35
None 151

Commonly reported side effects and conditions associated with Ondansetron

Side effect Patients
Constipation 12
Headaches 12
Drowsiness 7
Sleepiness 4
Dizziness 3
Tiredness 3

Show all 25 reported side effects

Dosages

Based on patients currently taking Ondansetron

Dosage Patients
4mg as needed 57
8mg as needed 38
8 mg three times daily 9
4 mg twice daily 8
4 mg three times daily 6
8 mg daily 5
4 mg four times daily 3
8 mg twice daily 3
4 mg daily 2
4 mg five times daily 2

See all 20 dosages

Why patients stopped taking Ondansetron

Multiple reasons could be selected

Reason Patients
Course of treatment ended 39
Other 34
Did not seem to work 25
Doctor's advice 15
Side effects too severe 13
Change in health plan coverage 8
Expense 5
Personal research 1
See all 120 patients who've stopped taking Ondansetron

Duration

Currently taking Ondansetron

Duration Patients
Less than 1 month 1
1 - 6 months 8
6 months - 1 year 6
1 - 2 years 17
2 - 5 years 56
5 - 10 years 45
10 years or more 9

Stopped taking Ondansetron

Duration Patients
Less than 1 month 47
1 - 6 months 34
6 months - 1 year 9
1 - 2 years 13
2 - 5 years 13
5 - 10 years 5
10 years or more 2
Adherence
Adherence Evaluations
Always 152
Usually 31
Sometimes 21
Never taken as prescribed 4
Burden
Burden Evaluations
Very hard to take 3
Somewhat hard to take 9
A little hard to take 14
Not at all hard to take 182
Cost per month
Cost per month Evaluations
$200+ 1
$100-199 3
$50-99 2
$25-49 18
< $25 82
Not specified 102

What people switch to and from

Patients started taking Ondansetron after stopping:

Treatment Patients
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
Promethazine (Phenergan) 12
Prochlorperazine (Compazine) 4
Medical marijuana (Cannabidiol/Tetrahydrocannabinol Balanced Mixture) 2
Metoclopramide (Reglan) 2
Carbamazepine (Tegretol) 1

Show all 9 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