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 243 83
Nausea and vomiting 188 68
Gastroparesis 18 8
Kidney stone 16 9
Migraine headaches 9 2
Vomiting 8 1

Show all 52 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 31
None 102

Commonly reported side effects and conditions associated with Ondansetron

Side effect Patients
Constipation 9
Headaches 9
Drowsiness 6
Dizziness 3
Sleepiness 3
Dry mouth 2

Show all 26 reported side effects

Dosages

Based on patients currently taking Ondansetron

Dosage Patients
4mg as needed 54
8mg as needed 20
4 mg twice daily 4
8 mg daily 4
4 mg three times daily 4
4 mg daily 3
16 mg daily 2
8 mg three times daily 2
4 mg monthly 1
8 mg monthly 1

See all 22 dosages

Why patients stopped taking Ondansetron

Multiple reasons could be selected

Reason Patients
Course of treatment ended 33
Other 26
Did not seem to work 19
Doctor's advice 13
Side effects too severe 10
Change in health plan coverage 5
Expense 5
Personal research 1
See all 95 patients who’ve stopped taking Ondansetron

Duration

Currently taking Ondansetron

Duration Patients
Less than 1 month 1
1 - 6 months 6
6 months - 1 year 10
1 - 2 years 19
2 - 5 years 43
5 - 10 years 23
10 years or more 3

Stopped taking Ondansetron

Duration Patients
Less than 1 month 35
1 - 6 months 28
6 months - 1 year 9
1 - 2 years 11
2 - 5 years 10
5 - 10 years 4
10 years or more 2
Adherence
Adherence Evaluations
Always 106
Usually 28
Sometimes 14
Never taken as prescribed 3
Burden
Burden Evaluations
Very hard to take 3
Somewhat hard to take 8
A little hard to take 13
Not at all hard to take 127
Cost per month
Cost per month Evaluations
$200+ 1
$100-199 3
$50-99 2
$25-49 14
< $25 52
Not specified 79

What people switch to and from

Patients started taking Ondansetron after stopping:

Treatment Patients
Promethazine (Phenergan) 19
Metoclopramide (Reglan) 4
Prochlorperazine (Compazine) 3
Erythromycin (Ery-Tab) 1
Gabapentin (Neurontin) 1

Show all 6 treatments patients report switching from

Patients stopped taking Ondansetron and switched to:

Treatment Patients
Promethazine (Phenergan) 5
Lorazepam (Ativan) 1
Medical marijuana (Cannabidiol/Tetrahydrocannabinol Balanced Mixture) 1
Metoclopramide (Reglan) 1
Prochlorperazine (Compazine) 1
Last updated:

13 patient evaluations for Ondansetron

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

ChronicWarrior
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ChronicWarrior
Gender: F
Data Quality: 3 stars
Pain: Most
Fatigue: All
Sleep: All
Stiffness: Most
function: None
external_stress: All
Stickman: all
Description:F48y
FM:1y Dx
I am: vb
I have:
Fibromyalgia

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
25yrRA
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25yrRA
Data Quality: 2 stars
  • Gender: F
  • Age: 55
Condition: Rheumatoid Arthritis (RA) 20 additional condition(s)
Quality of life:
  • Mental: Mild
  • Physical: Mild
I am: n
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
tigger13039
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tigger13039
Sex: M
Data Quality: 2 stars
Sensation: Moderate
Overall: Moderate
Cognition: moderate
Vision: moderate
Speech: moderate
Swallowing: mild
Upper limb: moderate
Walking: moderate
I am: n
I have:
MS

See tigger13039's full Ondansetron history

Dec 1, 2015 (Started Jun 02, 2011)

  • Effectiveness
    Moderate (for Nausea and vomiting)
  • Effectiveness
    Moderate (for Nausea)
  • Effectiveness
    Moderate (for Multiple Sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: As needed
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 13 patient evaluations for Ondansetron