-Amantadine
-Antacids
-Benztropine
-Donepezil
-Galantamine
-Medications for depression
-Medications for hay fever and other allergies
-Medications for mental health conditions
-Rivastigmine
-Tacrine

They need to know if you have any of these conditions:
-Difficulty passing urine
-Glaucoma
-Heart disease, or previous heart attack
-Myasthenia gravis
-Prostate trouble
-Stomach obstruction
-Ulcerative colitis
-An unusual or allergic reaction to hyoscyamine, other medications, foods, dyes, or preservatives
-Pregnant or trying to get pregnant
-Breast-feeding

You may get dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medication affects you. To reduce the risk of dizzy or fainting spells, do not sit or stand up quickly, especially if you are an older patient. Alcohol can make you more dizzy. Avoid alcoholic drinks.
Stay out of bright light and wear sunglasses if this medication makes your eyes more sensitive to light.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your care team if the problem does not go away or is severe.
This medication may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your care team if the problem does not go away or is severe.
Avoid extreme heat (e.g., hot tubs, saunas). This medication can cause you to sweat less than normal. Your body temperature could increase to dangerous levels, which may lead to heat stroke.

Keep out of the reach of children and pets.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medication after the expiration date.