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 264 90
Nausea and vomiting 216 78
Gastroparesis 20 8
Kidney stone 17 10
Migraine headaches 10 3
Vomiting 9 2

Show all 58 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 12
Mild 33
None 118

Commonly reported side effects and conditions associated with Ondansetron

Side effect Patients
Constipation 10
Headaches 9
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 60
8mg as needed 29
4 mg twice daily 9
4 mg daily 4
4 mg three times daily 4
8 mg daily 3
4 mg four times daily 3
8 mg three times daily 3
8 mg twice daily 2
4 mg monthly 1

See all 24 dosages

Why patients stopped taking Ondansetron

Multiple reasons could be selected

Reason Patients
Course of treatment ended 35
Other 28
Did not seem to work 21
Doctor's advice 14
Side effects too severe 11
Change in health plan coverage 7
Expense 6
Personal research 1
See all 104 patients who’ve stopped taking Ondansetron

Duration

Currently taking Ondansetron

Duration Patients
Less than 1 month 1
1 - 6 months 11
6 months - 1 year 20
1 - 2 years 14
2 - 5 years 45
5 - 10 years 27
10 years or more 7

Stopped taking Ondansetron

Duration Patients
Less than 1 month 40
1 - 6 months 29
6 months - 1 year 9
1 - 2 years 12
2 - 5 years 12
5 - 10 years 4
10 years or more 2
Adherence
Adherence Evaluations
Always 119
Usually 30
Sometimes 17
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 144
Cost per month
Cost per month Evaluations
$200+ 1
$100-199 3
$50-99 2
$25-49 16
< $25 64
Not specified 83

What people switch to and from

Patients started taking Ondansetron after stopping:

Treatment Patients
Promethazine (Phenergan) 24
Metoclopramide (Reglan) 5
Prochlorperazine (Compazine) 3
Domperidone (Motilium) 1
Erythromycin (Ery-Tab) 1

Show all 7 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
Hyoscyamine (Levsin) 1
Lorazepam (Ativan) 1

Show all 6 treatments patients report switching to

Last updated:

14 patient evaluations for Ondansetron

138 members have decided to share their profiles only with other members of PatientsLikeMe.

ChronicWarrior
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ChronicWarrior
Data Quality: 2 stars
  • Gender: F
  • Age: 48
Condition: Brain Tumor 13 additional condition(s)
Quality of life:
  • Mental: Severe
  • Physical: Moderate
I am: b
I have:
Brain Tumor

See ChronicWarrior's full Ondansetron history

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
firefly84
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firefly84
Data Quality: 3 stars
  • Gender: F
  • Age: 32
Condition: Autonomic Neuropathy 25 additional condition(s)
Quality of life:
  • Mental: Mild
  • Physical: Moderate
I am: n
I have:
Autonomic Neuropathy

See firefly84's full Ondansetron history

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
25yrRA
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25yrRA
Data Quality: 1 star
  • Gender: F
  • Age: 55
Condition: Rheumatoid Arthritis (RA) 20 additional condition(s)
Quality of life:
  • Mental: Mild
  • Physical: Mild
I am: g
I have:
Rheumatoid Arthritis (RA)

See 25yrRA's full Ondansetron history

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