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Brand & Generic Names

Anaspaz Kinesed
Anaspaz PB Levsin
Barbidonna Levsinex
Barbidonna 2 Levsinex Timecaps
Belladenal Neoquess
Bellafoline Spastolate

Basic Information

  • Habit forming? No
  • Prescription needed? Low strength: No High strength: Yes
  • Available as generic? No
  • Drug class: Antispasmodic, anticholinergic


    Reduces spasms of digestive system, bladder and urethra.

Dosage & Usage Information

How to take:
Tablet or liquid--Swallow with liquid or food to lessen stomach irritation. You may chew or crush tablets.
Extended-release capsules--Swallow each dose whole.
Drops--Dilute dose in beverage before swallowing.

When to take:
30 minutes before meals (unless directed otherwise by doctor).

If you forget a dose:
Take as soon as you remember up to 2 hours late. If more than 2 hours, wait for next scheduled dose (don't double this dose).

What drug does:
Blocks nerve impulses at parasympathetic nerve endings, preventing muscle contractions and gland secretions of organs involved.

Time lapse before drug works:
15 to 30 minutes.

Don't take with:
Antacids* or antidiarrheals*.
Any other medicine without consulting your doctor or pharmacist.


Dilated pupils, rapid pulse and breathing, dizziness, fever, hallucinations, confusion, slurred speech, agitation, flushed face, convulsions, coma.


  • Dial 911 (emergency) or O (operator) for an ambulance or medical help. Then give first aid immediately.
  • See EMERGENCY Information.

Possible Adverse Reactions or Side Effects


    In case of overdose, see Overdose section.


  • Confusion, delirium, rapid heartbeat.
  • Nausea, vomiting, decreased sweating.
  • Constipation.
  • Dryness in ears, nose, throat, mouth.


  • Headache, painful or difficult urination, nasal congestion, altered taste.
  • Lightheadedness.


    Rash or hives, eye pain, blurred vision.

Warnings & Precautions

Don't take if:

  • You are allergic to any anticholinergic.
  • You have trouble with stomach bloating.
  • You have difficulty emptying your bladder completely.
  • You have narrow-angle glaucoma.
  • You have severe ulcerative colitis.

Before you start, consult your doctor:

  • If you have open-angle glaucoma.
  • If you have angina.
  • If you have chronic bronchitis or asthma.
  • If you have hiatal hernia.
  • If you have liver, kidney or thyroid disease.
  • If you have enlarged prostate.
  • If you have myasthenia gravis.
  • If you have peptic ulcer.
  • If you will have surgery within 2 months, including dental surgery, requiring general or spinal anesthesia.

Over age 60:
Adverse reactions and side effects may be more frequent and severe than in younger persons.

Studies inconclusive on harm to unborn child. Animal studies show fetal abnormalities. Decide with your doctor whether drug benefits justify risk to unborn child.

Drug passes into milk and decreases milk flow. Avoid drug or discontinue nursing until you finish medicine. Consult doctor for advice on maintaining milk supply.

Infants & children:
Use only under medical supervision.

Prolonged use:
Chronic constipation, possible fecal impaction. Consult doctor immediately.

Skin & sunlight:
No problems expected.

Driving, piloting or hazardous work:
Use disqualifies you for piloting aircraft. Otherwise, no problems expected.

May be unnecessary to finish medicine. Follow doctor's instructions.

Advise any doctor or dentist whom you consult that you take this medicine.

Possible Interaction with Other Drugs

------------------------ -----------------------
Amantadine Increased hyoscyamine effect.
Anticholinergics, Increased hyoscyamine effect.
Antidepressants, Increased hyoscyamine effect.
Antihistamines* Increased hyoscyamine effect.
Cortisone drugs* Increased internal eye pressure.
Haloperidol Increased internal eye pressure.
Ketoconazole Decreased ketoconazole effect.
MAO inhibitors* Increased hyoscyamine effect.
Meperidine Increased hyoscyamine effect.
Methylphenidate Increased hyoscyamine effect.
Molindone Increased anticholinergic effect.
Nizatidine Increased nizatidine effect.
Orphenadrine Increased hyoscyamine effect.
Phenothiazines* Increased hyoscyamine effect.
Pilocarpine Loss of pilocarpine effect in
glaucoma treatment.
Sedatives or central Increased sedative effect
nervous system (CNS) of both drugs.
Vitamin C Decreased hyoscyamine effect. Avoid
large doses of vitamin C.

Possible Interaction with Other Substances

--------------- ---------------
Alcohol: None expected.
Beverages: None expected.
Cocaine: Excessively rapid heartbeat. Avoid.
Foods: None expected.
Marijuana: Drowsiness and dry mouth.
Tobacco: None expected.

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