Oxybutynin Skin Patch

What is this medication?

OXYBUTYNIN (ox i BYOO ti nin) treats symptoms of an overactive bladder, such as loss of bladder control or frequent need to urinate. It works by relaxing muscles in the bladder. It belongs to a group of medications called antispasmodics.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Oxytrol, Oxytrol for Women

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

• Autonomic neuropathy
• Dementia
• Difficulty passing urine
• Glaucoma
• Intestinal obstruction
• Kidney disease
• Liver disease
• Myasthenia gravis
• Parkinson's disease
• An unusual or allergic reaction to oxybutynin, other medications, foods, dyes, or preservatives
• Pregnant or trying to get pregnant
• Breast-feeding

How should I use this medication?

This medication is for use on the skin. Follow the directions on the prescription label. Find an area of skin on your abdomen, hip, or backside that is clean, dry, greaseless, undamaged and hairless. Remove the patch from the sealed pouch. Do not cut or trim the patch. Using your palm, press the patch firmly in place to make sure that there is good contact with your skin. Change the patch two times per week, keeping to a regular schedule. When you apply a new patch, use a new area of skin. Wait at least 1 week before using the same area again.

Talk to your care team about the use of this medication in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you forget to replace a patch, use it as soon as you can. Only use one patch at a time and do not leave on the skin for longer than directed. If a patch falls off, you can replace it, but keep to your schedule and remove the patch at the right time.

What may interact with this medication?

• Antihistamines for allergy, cough and cold
• Atropine
• Certain medications for bladder problems like oxybutynin, tolterodine
• Certain medications for Parkinson's disease like benztropine, trihexyphenidyl
• Certain medications for stomach problems like dicyclomine, hyoscyamine
• Certain medications for travel sickness like scopolamine
• Clarithromycin
• Erythromycin
• Ipratropium
• Medications for fungal infections, like fluconazole, itraconazole, ketoconazole or voriconazole

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

It may take a few weeks to notice the full benefit from this medication.

You may need to limit your intake tea, coffee, caffeinated sodas, and alcohol. These drinks may make your symptoms worse.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medication affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medication. Avoid alcoholic drinks.

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 eyecare professional if the problem does not go away or is severe.

Avoid extreme heat. This medication can cause you to sweat less than normal. Your body temperature could increase to dangerous levels, which may lead to heat stroke. Do not expose the patch to sunlight. You should wear it under your clothes.

You can keep the patch in place during swimming, bathing, and showering. If your patch falls off during these activities, replace it.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

• Allergic reactions or angioedema—skin rash, itching, hives, swelling of the face, eyes, lips, tongue, arms, or legs, trouble swallowing or breathing
• Sudden eye pain or change in vision such as blurry vision, seeing halos around lights, vision loss
• Trouble passing urine

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

• Confusion
• Constipation
• Dizziness
• Drowsiness
• Dry mouth
• Headache
• Irritation at application site

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from moisture and humidity. Do not remove from the package until you are ready to use. Protect from light. When you remove a patch, fold it in half with sticky sides together and throw away. Throw away unused medication after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.