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Benzonatate Capsules

Benzonatate is a prescription cough suppressant. It calms your cough reflex to help prevent coughing for three to eight hours after taking a dose. It’s not a steroid or a narcotic. Benzonatate overdoses can be very dangerous or even fatal. Use this medication only as prescribed and keep it out of reach of children.

What is this medication?

BENZONATATE (ben ZOE na tate) is used to relieve cough. It works by calming your cough reflex. It belongs to a group of medications called cough suppressants.

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

COMMON BRAND NAME(S): Tessalon Perles, Zonatuss

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

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

  • Kidney disease
  • Liver disease
  • An unusual or allergic reaction to benzonatate, other medications, foods, dyes, or preservatives
  • Pregnant or trying to get pregnant
  • Breastfeeding

How should I use this medication?

Take this medication by mouth with a glass of water. Follow the directions on the prescription label. Avoid breaking, chewing, or sucking the capsule, as this can cause serious side effects. Take your medication at regular intervals. Do not take your medication more often than directed.

Talk to your care team about the use of this medication in children. While this medication may be prescribed for children as young as 10 years old 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.

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What may interact with this medication?

Do not take this medication with any of the following:

  • MAOIs, such as Carbex, Eldepryl, Marplan, Nardil, and Parnate

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?

Tell your care team if your symptoms do not improve or if they get worse. If you have a high fever, skin rash, or headache, see your care team.

This medication may affect your coordination, reaction time, or judgment. 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.

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
  • Confusion
  • Hallucinations

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

  • Burning or tingling of the tongue, mouth, throat, or face
  • Dizziness
  • Drowsiness

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 and pets.

Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Keep tightly closed. Protect from light and moisture. 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 medication 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.

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Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.

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