What is Benzonatate : How to Use, Dosage, Side Effects

What is Benzonatate : How to Use, Dosage, Side Effects

What is Benzonatate

Benzonatate is a non-narcotic oral antitussive (cough suppressant) drug which keeps working by anesthetizing the tissues of the lungs and pleura responsible for the cough reflex. It is chemically subdued to other ester anesthetics such as procaine. It is the stretching of these sensors with breathing that causes the cough.It has an anesthetic (numbing) process similar to that of benzocaine and "numbs" the stretch sensors in the lungs.. Benzonatate belongs to a subgroup of cough medications known as antitussives, which control your cough by numbing and suppressing reflexes in your airways and lungs.

Benzonatate is chemically similar to medications that are called "ester-type local anesthetics. "(as told) These include the painkillers procaine, tetracaine, and lidocaine, which numb the skin, muscles, or gums before medical and dental procedures.

Tessalon was generally accepted by the Food and Drug Administration (FDA) in 1958, and is manufactured by Pfizer.

Benzonatate relieves cough by acting directly on the lungs and the breathing passages. It may also act on the cough center in the brain.

Benzonatate is being used to relieve coughs due to colds or influenza (flu). It is not to be used for chronic cough that occurs with smoking, asthma, or emphysema or when there is an unusually large amount of mucus or phlegm with the cough.

Benzonatate belongs to a class of drugs called antitussive agents. A class of drugs is a group of medications that work in a similar way. These drugs are frequently used to treat similar conditions.

Benzonatate works by numbing the receptors in your airways that cause you to cough. This makes you cough less after taking the drug.

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How to Use Benzonatate

 Benzonatate comes as a liquid-filled capsule and a capsule to take by mouth. It is usually taken three times a day as needed. Follow the directions on your prescription label precisely, and ask your doctor to tell any part you do not understand. Take benzonatate exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

Swallow the capsules and liquid-filled capsules whole; do not break, dissolve, cut, crush, or chew them. If the medication is put in the mouth, it may make the mouth numb and cause choking. Do not eat or drink if you feel numbness or tingling of your mouth, tongue, throat, or face. If feelings of numbness or tingling continue or get worse, get medical help right away.

Take benzonatate exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.

Always ask a doctor before giving a cough medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

Take each dose with a full glass of water.

Store at room temperature away from moisture, heat, and light.

Dosage of Benzonatate

The dose of this medicine would be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is not alike, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical issue for which you are using the medicine.

Children older than 10 years:

100 mg to 200 mg orally three times a day as need for cough.

Usual Adult Dose for Cough:

100 mg to 200 mg orally three times a day as needed for cough

The maximum dosage is 600 mg per day.

Child dosage (ages 0 to 10 years)

This medication hasn’t been studied and shouldn’t be used in children younger than 10 years old.


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Side effects of Benzonatate

The more common side effects of benzonatate oral capsule are:

•             drowsiness

•             dizziness

•             headaches

•             constipation

•             nausea

•             upset stomach

•             breakouts

•             nasal congestion

If these effects are mild, they may go away within a few days or a couple of weeks. If they’re more severe or don’t go away, tell your doctor or pharmacist.

Serious Side Effects and Reactions

Call for emergency medical help right away if you experience any of the following symptoms:

•             Very tired or sedated

•             Dizziness

•             Restlessness

•             Shaking or tremors

•             A little confusion

•             Headache

•             Have a "chilly" feeling

•             Beginning to hallucinate

•             Funny feeling in your throat

•             Feel like you are choking, especially if you have trouble swallowing or are taking the larger dose of 200 milligrams (mg)

•             Have trouble breathing

•             Pain in your chest

•             Numbness in your chest

•             Burning sensation in the eyes

What drugs that may interact with Benzonatate

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or non-prescription (over-the-counter [OTC]) medicine.

 Can you use Benzonatate while you are pregnant?

Animal studies have not been conducted. There are no controlled data in human pregnancy.

US FDA pregnancy category C: Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

This drug should be used during pregnancy just if clearly needed.

What happens if I miss a dose?

Take the forgotten dose as soon as you remember. Skip the forgotten dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

Symptoms of overdose Benzonatate

If you take too much benzonatate, call your healthcare provider or doctor, or seek emergency medical attention as soon as possible

An overdose of benzonatate can be fatal, especially to a child. Accidental death has occurred in children under 2years old who took only 1 or 2 capsules.

Overdose symptoms may include numbness in the mouth or throat, feeling restless or very sleepy, tremors or shaking, seizure (convulsions), slow heart rate, weak pulse, and slow breathing (breathing may stop).

Warnings of Benzonatate

The FDA is warning that Tessalon (benzonatate) liquid capsules can have unsuitable and sometimes fatal consequences for children under 10 years of age who ingest them accidentally. The medication should be kept in child-proof containers and out of the reach of children.


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