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Detrol LA

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Detrol LA

Detrol® LA
(tolterodine tartrate) Extended Release Capsules

DRUG DESCRIPTION

DETROL LA Capsules contain tolterodine tartrate. The active moiety, tolterodine, is a muscarinic receptor antagonist. The chemical name of tolterodine tartrate is (R)-N,N-diisopropyl-3-(2-hydroxy-5-methylphenyl)-3-phenylpropanamine L-hydrogen tartrate. The empirical formula of tolterodine tartrate is C26H37NO7,. Its structure is:

Detrol® LA (tolterodine tartrate) Structural Formula Illustration

Tolterodine tartrate is a white, crystalline powder with a molecular weight of 475.6. The pKa value is 9.87 and the solubility in water is 12 mg/mL. It is soluble in methanol, slightly soluble in ethanol, and practically insoluble in toluene. The partition coefficient (Log D) between n-octanol and water is 1.83 at pH 7.3.

DETROL LA 4 mg capsule for oral administration contains 4 mg of tolterodine tartrate. Inactive ingredients are sucrose, starch, hypromellose, ethylcellulose, medium chain triglycerides, oleic acid, gelatin, and FD&C Blue #2.

DETROL LA 2 mg capsule for oral administration contains 2 mg of tolterodine tartrate, and the following inactive ingredients: sucrose, starch, hypromellose, ethylcellulose, medium chain triglycerides, oleic acid, gelatin, yellow iron oxide, and FD&C Blue #2.

Both the 2 mg and 4 mg capsule strengths are imprinted with a pharmaceutical grade printing ink that contains shellac glaze, titanium dioxide, propylene glycol, and simethicone.

What are the possible side effects of tolterodine (Detrol, Detrol LA)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using tolterodine and call your doctor at once if you have any of these serious side effects:

  • chest pain, fast or uneven heart rate;
  • confusion, hallucinations;
  • urinating less than usual or not at all; or
  • painful or difficult urination.

Less serious side effects may include:

  • dry mouth, dry eyes;
  • blurred vision;
  • dizziness,...

Read All Potential Side Effects and See Pictures of Detrol LA »

What are the precautions when taking tolterodine tartrate (Detrol LA)?

Before taking tolterodine, tell your doctor or pharmacist if you are allergic to it; or to fesoterodine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: problems emptying your bladder (urinary retention, bladder outflow obstruction), severe blockage of stomach/intestines (gastric retention), glaucoma, stomach/intestinal disease (such as ulcerative colitis, slowed movement of stomach/intestines), severe constipation, kidney disease, liver disease, a certain muscle disease (myasthenia gravis).

Tolterodine may cause a condition that affects the heart...

Read All Potential Precautions of Detrol LA »

Last reviewed on RxList: 9/5/2012
This monograph has been modified to include the generic and brand name in many instances.

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Detrol LA - User Reviews

Detrol LA User Reviews

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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