Compare scopolamine vs. Anzemet

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Anzemet (dolasetron)

Prescription only
Prevents nausea and vomiting.

Transderm-Scop (scopolamine) is a low-hassle patch that works well to prevent nausea and vomiting, but it takes several hours to work.

3.9/ 5 average rating with 26 reviewsforscopolamine
Helps prevent nausea and vomiting

Anzemet (dolasetron) prevents nausea and vomiting and does not have many side effects.

Upsides
  • Transderm-Scop (scopolamine) is well tolerated.
  • Prevents nausea for 3 days.
  • Because Transderm-Scop (scopolamine) is a skin patch, it's a good alternative to stopping nausea and vomiting if you're not able to swallow pills.
  • Reduced nausea and vomiting in people receiving chemotherapy.
  • Well-tolerated with mild headache as the most common side effect.
  • Requires only 1 dose prior to chemotherapy and once daily dosing after chemotherapy if needed for delayed nausea/vomiting.
Downsides
  • Can only be used for prevention of nausea and vomiting. It can't stop nausea or vomiting that's already happening.
  • The side effects can be worse if you are 65 and older.
  • You might feel sleepy, drowsy, or have blurry vision while taking Transderm-Scop (scopolamine). Taking alcohol or other medicines that make you drowsy can make this effect worse.
  • You're more likely to have heat stroke or feel dehydrated.
  • It takes a few hours for Transderm-Scop (scopolamine) to kick in, so you have to remember to take it beforehand.
  • Anzemet (dolasetron) doesn't treat nausea and vomiting that's already happening. It only works to prevent future episodes.
  • High doses of Anzemet (dolasetron) can cause problems with heart rhythm.
  • Can be expensive since a generic version is not available.
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Used for
Dosage forms
  • Patch
  • Pill
Price
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Reviews
26 reviews so far
73%
saidit'sworth it
58%
saiditworked well
19%
saidit'sa big hassle

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Side effects
The Transderm-Scop (scopolamine) FDA package insert doesn’t have numbers about how common side effects are.
9possible side effects
  • Headache
    23%
  • Fatigue
    6%
  • Diarrhea
    5%
  • Decreased heart rate
    4%
  • Dizziness
    3%
  • Pain
    3%
  • Increased heart rate
    3%
  • Indigestion
    2%
  • Chills/shivering
    2%
See more detailed side effects
Risks and risk factors
  • Increased pressure in the eyes
    • Open angle glaucoma
  • Worsening stomach, bowel, or bladder blockages
    • Blockages in the stomach, bowels or bladder
  • Skin burns
    • MRI examination
  • Heat stroke
  • Worsening seizures or psychosis
    • History of seizures
    • History of psychosis
  • Sleepiness and dizziness
    • Taking with alcohol
    • Taking other medicines that make you less alert
See more detailed risks and warnings
  • Abnormal heart rhythm
    • History of heart rhythms such as long QT syndrome or atrial fibrillation
    • Heart failure
    • Taking other medications that can affect heart rhythms
    • Low potassium or magnesium levels
    • Advanced age
  • Serotonin syndrome
    • Taking other medicines that affect serotonin levels such as tramadol and anti-depressants
See more detailed risks and warnings