Uses of Oxybutynin Extended-Release Tablets:

• It is used to treat an overactive bladder.
• It may be given to you for other reasons. Talk with the doctor.

What do I need to tell my doctor BEFORE I take Oxybutynin Extended-Release Tablets?

• If you are allergic to this medicine (oxybutynin extended-release tablets); any part of this medicine (oxybutynin extended-release tablets); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
• If you have any of these health problems: Bowel block, glaucoma, myasthenia gravis, slow moving GI (gastrointestinal) tract, or trouble passing urine.

This is not a list of all drugs or health problems that interact with this medicine (oxybutynin extended-release tablets).

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this medicine (oxybutynin extended-release tablets) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Oxybutynin Extended-Release Tablets?

• Tell all of your health care providers that you take this medicine (oxybutynin extended-release tablets). This includes your doctors, nurses, pharmacists, and dentists.
• Avoid driving and doing other tasks or actions that call for you to be alert or have clear eyesight until you see how this medicine (oxybutynin extended-release tablets) affects you.
• Talk with your doctor before you drink alcohol or use other drugs and natural products that slow your actions.
• Be careful in hot weather or while being active. Drink lots of fluids to stop fluid loss.
• Good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help with dry mouth. See a dentist often.
• A very bad reaction called angioedema has happened with this medicine (oxybutynin extended-release tablets). Sometimes, this may be life-threatening. Signs may include swelling of the hands, face, lips, eyes, tongue, or throat; trouble breathing; trouble swallowing; or unusual hoarseness. Get medical help right away if you have any of these signs.
• If you are 65 or older, use this medicine (oxybutynin extended-release tablets) with care. You could have more side effects.
• Do not give this medicine (oxybutynin extended-release tablets) to a child younger than 6 years of age.
• Some forms of this medicine (oxybutynin extended-release tablets) may not be for use in all ages of children. If you have questions, talk with the doctor.
• Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.

How is this medicine (Oxybutynin Extended-Release Tablets) best taken?

Use this medicine (oxybutynin extended-release tablets) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

• Take with or without food.
• Take this medicine (oxybutynin extended-release tablets) at the same time of day.
• Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.
• Swallow whole. Do not chew, break, or crush.
• Take with a full glass of water.
• You may see the tablet shell in your stool. This is normal and not a cause for concern.

What do I do if I miss a dose?

• Take a missed dose as soon as you think about it.
• If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
• Do not take 2 doses at the same time or extra doses.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• Signs of a urinary tract infection (UTI) like blood in the urine, burning or pain when passing urine, feeling the need to pass urine often or right away, fever, lower stomach pain, or pelvic pain.
• Very bad dizziness or passing out.
• Feeling confused.
• Hallucinations (seeing or hearing things that are not there).
• Feeling agitated.
• Mood changes.
• Fever.
• Not sweating during activities or in warm temperatures.
• Trouble passing urine.
• Very bad belly pain.
• Muscle weakness.

What are some other side effects of Oxybutynin Extended-Release Tablets?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

• Feeling dizzy, sleepy, tired, or weak.
• Blurred eyesight.
• Headache.
• Upset stomach.
• Diarrhea or constipation.
• Dry mouth.
• Trouble sleeping.
• Feeling nervous and excitable.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Oxybutynin Extended-Release Tablets?

• Store at room temperature protected from light. Store in a dry place. Do not store in a bathroom.
• Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
• Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer Information Use and Disclaimer

• If your symptoms or health problems do not get better or if they become worse, call your doctor.
• Do not share your drugs with others and do not take anyone else's drugs.
• Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about this medicine (oxybutynin extended-release tablets), please talk with your doctor, nurse, pharmacist, or other health care provider.
• If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.