Cogentin contains the active ingredient benztropine mesylate in tablet form. It is available in dosage strengths of 0.5 mg, 1 mg, or 2 mg for oral administration. The tablets include inactive ingredients like corn starch, dicalcium phosphate anhydrous, and lactose. Benztropine mesylate is a synthetic compound with structural similarities to atropine and diphenhydramine.

How should I use this medication?

Take this medication by mouth with a full glass of water. Take it as directed on the prescription label. Keep taking it unless your care team tells you to stop. Talk to your care team about the use of this medication in children. While it may be prescribed for children as young as 3 years for selected conditions, precautions do apply.

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 miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

Where should I keep my medication?

Keep out of the reach of children and pets. Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Get rid of any unused medication after the expiration date. To get rid of medications that are no longer needed or have expired: -Take the medication to a take-back program. Check with your pharmacy or law enforcement to find a location. -If you cannot return the medication, check the label or package insert to see if the medication should be thrown out in the garbage or flushed down the toilet. If you are not sure, ask your care team. If it is safe to put it in the trash, empty the medication out of the container. Mix the medication with cat litter, dirt, coffee grounds, or other unwanted substance. Seal the mixture in a bag or container. Put it in the trash.

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.

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—skin rash, itching, hives, swelling of the face, lips, tongue, or throat -Anticholinergic toxicity—flushed face, blurry vision, dry mouth and skin, confusion, fast or irregular heartbeat, trouble passing urine, constipation -Fever that does not go away, decreased sweating -Hallucinations -Sudden eye pain or change in vision such as blurry vision, seeing halos around lights, vision loss Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome): -Nausea -Vomiting

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.

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

They need to know if you have any of these conditions: -Glaucoma -Heart disease or a rapid heartbeat -Mental health condition -Prostate trouble -Tardive dyskinesia -An unusual or allergic reaction to benztropine, lactose, other medications, foods, dyes, or preservatives -Pregnant or trying to get pregnant -Breast-feeding

What may interact with this medication?

-Haloperidol -Medications for movement abnormalities, such as Parkinson disease -Phenothiazines, such as chlorpromazine, mesoridazine, prochlorperazine, thioridazine -Some antidepressants, such as amitriptyline, desipramine, doxepin, nortriptyline -Stimulant medications for ADHD, weight loss, or staying awake -Tegaserod

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?

Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse. This medication may affect your coordination, reaction time, or judgement. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects. 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 eye drops may help. See your care team 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.