Compare Dantrium vs. Detrol

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

Dantrium
(dantrolene)

Detrol
(tolterodine)

Relaxes your muscles. Dantrium (dantrolene) effectively treats malignant hyperthermia (increased temperature and muscle contractions when receiving anesthesia) and is the only medicine used to treat the condition. Dantrium (dantrolene) is not a first-choice treatment for general muscle spasms because it can damage your liver.Treats overactive bladder. Detrol (tolterodine) is a good treatment for overactive bladder after exercises and other methods to control it haven't worked.
Reviews & ratings
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Have you used Dantrium (dantrolene)?
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Have you used Detrol (tolterodine)?
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Side effects
DantriumDetrol

The Dantrium FDA package insert doesn’t have numbers about how common side effects are.

More about Dantrium side effects »
  • Dry mouth 25%
  • Headache 2%
  • Constipation 3%
  • Dizziness 2%
  • Stomach pain 2%
  • Tiredness 1%
  • Diarrhea 1%
  • Indigestion 3%
  • Drowsiness 1%
  • Dry eyes 1%
More Detrol side effects »
How it works
DantriumDetrol
Dantrium (dantrolene) stops spasms and relaxes muscle cells by interfering with the release of calcium inside muscle cells.Detrol (tolterodine) is an antimuscarinic. It helps people control the urge to urinate by relaxing the bladder muscles and stopping them from spasming.
Type of medication
DantriumDetrol
Prescription onlyPrescription only
Available as
DantriumDetrol
  • Pill
  • Injection
  • Pill
  • Extended release
Used for
DantriumDetrol
  • Malignant Hyperthermia
Risk factors for serious side effects
DantriumDetrol
  • Taking 800 mg or more Dantrium (dantrolene) per day
  • Women
  • Over 35 years old
  • Elderly
  • History of liver disease or dysfunction
Detailed Dantrium (dantrolene) risks & warnings »
  • Taking with alcohol
  • Taking other medicines that make you less alert
  • People age 65 or older
  • Glaucoma
  • History of bladder problems
Detailed Detrol (tolterodine) risks & warnings »
Pregnancy
Alcohol
DantriumDetrol
No alcohol related info.
  • Drinks with caffeine, alcohol or carbonation can make your symptoms worse.
Food
DantriumDetrol
No food related info.
  • You can take Detrol (tolterodine) with or without food.
Kidneys and liver
DantriumDetrol
No kidneys and liver related info.
  • If you have liver or kidney problems, talk to your doctor before starting Detrol (tolterodine). You might have to use a lower dose, or you might not be able to take Detrol (tolterodine) at all.
Sleep
DantriumDetrol
  • Taking Dantrium (dantrolene) may make you feel dizzy or sleepy for the first few days, especially if you drink alcohol or take recreational drugs. Avoid driving or other activities requiring concentration until you know how your body responds to the medication. Your body should adjust to the medicine. Talk to your doctor or pharmacist if these symptoms bother you.
  • Dantrium (dantrolene) can make you feel very tired or sleepy. Don't drive or do anything that requires concentration until you know how it affects you.
  • You can get drowsy or dizzy on Detrol (tolterodine). Do not stand or sit up too quickly if you've been sitting or lying down for a while.
  • Detrol (tolterodine) can cause drowsiness, dizziness and can increase your risk for falls.
Upsides and benefits
DantriumDetrol
  • Dantrium (dantrolene) effectively treats malignant hyperthermia.
  • Can be used for muscle spasticity if other medications haven't worked.
  • Available as generic.
  • Detrol (tolterodine) is effective at treating overactive bladder by lowering the urge to urinate, and controlling urination.
  • The tablet is available as a generic in both extended and immediate release, so you can take it once or twice a day.
Downsides and risks
DantriumDetrol
  • Not a first-choice treatment for muscle spasms because it can cause liver damage.
  • Can cause dizziness, sleepiness, and sometimes severe diarrhea.
  • Needs routine blood tests since it can injure your liver.
  • Dose needs to be increased slowly to minimize side effects.
  • Detrol (tolterodine) can cause drowsiness, dizziness and can increase your risk for falls.
  • Detrol (tolterodine) can cause severe dry mouth and eyes and constipation.
  • Generally not recommended if you are 65 or older.
  • Do not use if you have uncontrolled narrow-angle glaucoma.
Tips from our pharmacists for people taking the medication
DantriumDetrol
  • Dantrium (dantrolene) can worsen liver function.You may need to have your blood checked regularly before starting Dantrium (dantrolene) and while you're on it.
  • Dantrium (dantrolene) can make you feel very tired or sleepy. Don't drive or do anything that requires concentration until you know how it affects you.
  • Dantrium (dantrolene) can cause diarrhea, but it usually goes away within the first few weeks. If it doesn't, talk to your doctor.
  • May make your skin sensitive to the sun. Wear sunblock and avoid prolonged exposure to sunlight while on Dantrium (dantrolene).
  • Detrol (tolterodine) can take up to 4 weeks before you notice any changes.
  • Drinks with caffeine, alcohol or carbonation can make your symptoms worse.
  • You can get drowsy or dizzy on Detrol (tolterodine). Do not stand or sit up too quickly if you've been sitting or lying down for a while.
  • You can take Detrol (tolterodine) with or without food.
  • Do not break, crush or chew extended-release capsules.
Learn more
More about DantriumSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Dantrium (dantrolene)?
Worth itNot sureNot worth it
More about DetrolSide effectsAlternativesFDA package insert
Have you used Detrol (tolterodine)?
Worth itNot sureNot worth it