Do NOT use Kemadrin if:

• you are allergic to any ingredient in Kemadrin
• you have angle-closure glaucoma

Some medical conditions may interact with Kemadrin. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
if you are pregnant, planning to become pregnant, or are breast-feeding
if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
if you have allergies to medicines, foods, or other substances
if you have glaucoma, mental or mood disorders, muscle weakness (eg, myasthenia gravis), ulcerative colitis, (eg, an enlarged prostate), or urination problems
if you have a blockage of the stomach, esophagus, or urinary tract; kidney or liver problems; high blood pressure; heart or blood vessel disease; an irregular heartbeat; or uncontrolled movements of the hands, mouth, or tongue.

Kemadrin may cause lightheadedness or blurred vision. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Kemadrin. Using Kemadrin alone, with certain other medicines, or with alcohol may lessen your ability to drive or perform other potentially dangerous tasks.
Kemadrin may cause dizziness, lightheadedness, or fainting. Alcohol, hot weather, exercise, and fever can increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Also, sit or lie down at the first sign of dizziness, lightheadedness, or weakness.
Do not become overheated in hot weather or during exercise or other activities; heatstroke may occur.
Use Kemadrin with extreme caution in CHILDREN. Safety and effectiveness have not been confirmed.
PREGNANCY and BREAST-FEEDING: If you become pregnant while taking Kemadrin, discuss with your doctor the benefits and risks of using Kemadrin during pregnancy. It is unknown if Kemadrin is excreted in breast milk. If you are or will be breast-feeding while you are using Kemadrin, check with your doctor or pharmacist to discuss the risks to your baby.

Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Blurred vision; constipation; dilated pupils; dry mouth; giddiness; lightheadedness; loss of appetite; nausea; upset stomach; vomiting.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; confusion; difficult or painful urination; difficulty swallowing; eye pain; fast or pounding heartbeat; mental or mood changes; uncontrolled movements.