Pro-Banthine is used as part of a treatment for a peptic ulcer.

Pro-Banthine may also be used for purposes not listed in this medication guide.

You should not take Pro-Banthine if you have glaucoma, myasthenia gravis, a blockage in your stomach or intestines, a bladder obstruction, severe ulcerative colitis, or toxic megacolon.

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

Pro-Banthine is usually taken 3 or 4 times a day, 30 minutes before meals and at bedtime. Follow your doctor's instructions.

Store Pro-Banthine at room temperature away from moisture and heat.

You should not take Pro-Banthine if you are allergic to it, or if you have:

• a stomach or bowel obstruction (including paralytic ileus);

• glaucoma;

• a bladder obstruction or other urination problems;

• severe constipation;

• severe ulcerative colitis or toxic megacolon;

• active bleeding with fast heartbeats, low blood pressure, shortness of breath, and cold hands or feet; or

• myasthenia gravis.

Tell your doctor if you have ever had:

• a nerve-muscle disorder;

• heart disease, or a heart rhythm disorder;

• high blood pressure;

• an intestinal disorder such as ulcerative colitis;

• liver or kidney disease;

• hiatal hernia or reflux esophagitis (GERD);

• a thyroid disorder; or

• a colostomy or ileostomy.

Tell your doctor if you are pregnant or breast-feeding.

Older adults may be more sensitive to the effects of this medicine.

Pro-Banthine is not approved for use by anyone younger than 18 years old.

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include feeling restless or excited, warmth or tingling under your skin, confusion, unusual thoughts or behavior, muscle weakness, or paralysis.

Avoid driving or hazardous activity until you know how Pro-Banthine will affect you. Your reactions could be impaired.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Pro-Banthine can decrease perspiration and you may be more prone to heat stroke.

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

Pro-Banthine may cause serious side effects. Stop using Pro-Banthine and call your doctor at once if you have:

• diarrhea;

• fast or pounding heartbeats, fluttering in your chest;

• eye pain or redness, seeing halos around lights;

• painful or difficult urination; or

• little or no urination.

Common side effects of Pro-Banthine may include:

• dry mouth, nose, or throat;

• blurred vision;

• constipation;

• headache, dizziness, drowsiness;

• confusion or feeling nervous;

• decreased sweating;

• nausea, vomiting, bloating;

• decreased sense of taste;

• impotence, sexual problems; or

• sleep problems (insomnia).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Using Pro-Banthine with other drugs that make you drowsy can worsen this effect. Ask your doctor before using opioid medication, a sleeping pill, a muscle relaxer, or medicine for anxiety or seizures.

Pro-Banthine slows the digestive tract, which can make it harder for your body to absorb any medicines you take by mouth. Tell your doctor if any of your oral medications do not seem to work as well while you are using this medicine.

Tell your doctor about all your current medicines. Many drugs can affect Pro-Banthine, especially:

• heart rhythm medication;

• medicine to treat depression, anxiety, mood disorders, or mental illness;

• cold or allergy medicine (Benadryl and others);

• medicine to treat Parkinson's disease;

• steroid medicine;

• medicine to treat stomach problems, motion sickness, or irritable bowel syndrome;

• medicine to treat overactive bladder; or

• bronchodilator asthma medication.

This list is not complete and many other drugs may affect Pro-Banthine. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.