Benzonatate not working

If you are taking benzonatate regularly and you miss a dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one. What side effects can this medication cause?

Benzonatate not working. Benzonatate Capsules USP, 200 mg are clear yellow, oval-shaped softgel capsules imprinted with “PC15” and are supplied as follows: NDC 42806-715-01 in bottle of 100 capsules. NDC 42806-715-05 in bottle of 500 capsules. Store at 20˚ to 25˚ C (68˚ to 77˚ F) [see USP Controlled Room Temperature]. PROTECT FROM LIGHT.

BENZONATATE Capsules are not to be broken, chewed, dissolved, cut or crushed. HOW SUPPLIED Benzonatate Capsules USP, 200 mg: Yellow soft gelatin capsules, imprinted with "PA83", available in bottles of 100's (NDC 72162-1914-1)

Swallow BENZONATATE Capsules whole. Do not break, chew, dissolve, cut, or crush BENZONATATE capsules. Release of BENZONATATE from the capsule in the mouth can produce a temporary local anesthesia of the oral mucosa and choking could occur. If numbness or tingling of the tongue, mouth, throat, or face occurs, refrain from oral …One of the most important aspects of work is that it provides a person the income necessary to meet basic living needs, according to The Youthhood. Work also gives people a sense o...Benzonatate relieves cough by acting directly on the lungs and the breathing passages. It may also act on the cough center in the brain. ... This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it. If your cough has not become better after 7 days or if you have a high fever, skin ...These days, it’s probably safe to say that, like most people, you’ve at least heard of Bitcoin. But that doesn’t mean you don’t have questions about how this famed cryptocurrency w...severe drowsiness or dizziness; confusion, hallucinations. ongoing numbness or tingling in your mouth, throat, or face; numbness in your chest; a choking feeling; chills; or. burning in your eyes. Some of these side effects may result from chewing or sucking on a Tessalon Perles capsule. Common side effects of Tessalon Perles may include:Feb 9, 2020 · Signs and symptoms of overdose (restlessness, tremors, convulsion, coma, cardiac arrest) may occur within 15 to 20 minutes and death has been reported within 1 hour of ingestion. Not approved for use in children <10 years of age. Pregnancy Pregnancy Risk Factor. C. Pregnancy Considerations. Animal reproduction studies have not been conducted. Tessalon Perles User Reviews & Ratings. Tessalon Perles has an average rating of 5.1 out of 10 from a total of 179 reviews on Drugs.com. 42% of reviewers reported a positive experience, while 48% reported a negative experience. Condition.

Tessalon Perles (benzonatate) for Cough "The Tessalon pills are great! I’ve been coughing for a month and having difficulty with sleeping. The last 4 nights I have slept through the night. It seems to work best for me if I take one around an hour to an hour and a half before bedtime.Finally getting some rest."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 carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take benzonatate exactly as directed.Do not take more of this drug than recommended. Doing so will not make your cough go away faster but may result in serious side effects.Tell your doctor if your condition lasts or gets worse. SIDE EFFECTS: Drowsiness, dizziness, headache, nausea, stomach upset, constipation, and stuffy nose may occur. If any of these effects last or get worse ... By Rosanna Sutherby, PharmD. February 24, 2020. Ask A Pharmacist. The cold and flu season is in full swing, and hacking, persistent, and annoying coughs are at their peak. If you are suffering from these symptoms, your doctor may prescribe a cough medication, such as benzonatate (Tessalon Perles). Dec 12, 2022 · If you have any questions, contact a member of your care team directly. If you're a patient at MSK and you need to reach a provider after 5 p.m., during the weekend, or on a holiday, call 212-639-2000.

It is good to take 25 mg to prevent dizziness and drowsiness. 1. Take vitamin C lozenges.Start a multivitamin & multi-mineral supplement. 2. You should maintain good hydration with Gatorade, honey tea, and green tea. Do not take more than 200 milligrams at one time Taking more benzonatate than prescribed will not make your cough go away faster but may result in serious side effects Tell your doctor if your ...Hypersensitivity to benzonatate, related compounds, or any component of the formulation. Dosage and Administration Dosing: Adult. ... Oral: Swallow capsule whole (do not break, chew, dissolve, cut, or crush). If capsules are chewed or dissolved in the mouth, oral mucosa anesthesia may occur and could lead to choking. If numbness or …With the gargle method, a “slurry” or 4 mL viscous lidocaine is gargled continuously for 5 minutes. Finally, the Tessalon Perle (benzonatate) method involves keeping the Perle in the middle of the tongue so that it dissolves. If the Perle does not start to dissolve within a few minutes, it can be bitten slightly to permit leakage of the drug.Swallow benzonatate capsules whole. Do not break, chew, dissolve, cut, or crush benzonatate capsules. Release of benzonatate from the capsule in the mouth can produce a temporary local anesthesia of the oral mucosa and choking could occur. If numbness or tingling of the tongue, mouth, throat, or face occurs, refrain from oral ingestion of food ...Three categories of cough that are distinguished based upon duration help with the approach to diagnosis and treatment [ 1,2 ]: Acute cough, lasting less than three weeks. Subacute cough, lasting between three and eight weeks. Chronic cough, lasting more than eight weeks. Specific therapy for the most common causes of subacute and …

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Benzonatate User Reviews & Ratings. Brand names: Tessalon Perles, Tessalon. Benzonatate has an average rating of 4.0 out of 10 from a total of 775 reviews on Drugs.com. 30% of reviewers reported a positive experience, while 62% reported a negative experience. Condition.Benzonatate is a prescription medicine used in the treatment of dry cough. Brand Names : Benz Pearls, Benz. Addiction : Not known to be addictive. Pregnancy : CONSULT YOUR DOCTOR, Benzonatate may ...DB00868. Background. Benzonatate is an oral antitussive drug used in the relief and suppression of cough in patients older than ten years of age. 3 Currently, benzonatate is the only non-narcotic antitussive available as a prescription drug. 2 It works to reduce the activity of cough reflex by desensitizing the tissues of the lungs and pleura ... Benzonatate, sold under the brand name Tessalon among others, is a medication that is used for the symptomatic relief of cough. [7] [8] A 2023 systematic review found that there is inadequate evidence to support the effectiveness and safety of benzonatate for cough and highlighted rising safety concerns. [9] Benzonatate is taken by mouth. Feb 9, 2020 · Signs and symptoms of overdose (restlessness, tremors, convulsion, coma, cardiac arrest) may occur within 15 to 20 minutes and death has been reported within 1 hour of ingestion. Not approved for use in children <10 years of age. Pregnancy Pregnancy Risk Factor. C. Pregnancy Considerations. Animal reproduction studies have not been conducted.

Benzonatate Capsules USP, 100 mg: Yellow soft gelatin capsules, imprinted “ASC” on one side and “105” on the other side, available in bottles of 10’s (NDC 00440-1185-10). Store at controlled room ... PRINCIPAL DISPLAY PANEL. INGREDIENTS AND APPEARANCE. Product Information.Among the 4689 pediatric benzonatate exposure cases reported to US poison control centers from 2010 to 2018, 3727 cases (80%) were for single-substance exposures. Of these, 3590 cases (77%) were unintentional exposures and most involved children 0 to 5 years old (2718 cases, 83%). Cases involving intentional benzonatate …Benzonatate Capsules USP, 200 mg: Yellow soft gelatin capsules, imprinted with "PA83", available in bottles of 100's and 500's. The capsules should be protected from light, moisture and humidity, and stored at controlled room temperature 20° to 25°C (68° to 77°F) [See USP]. Dispense in a tight, light-resistant container as defined in USP/NF.Jan 17, 2024 · It is available in 100 or 200 mg capsules, with a maximum daily dose of 600 mg. Benzonatate contains nine ethoxy units, bears molecular resemblance to the local anesthetic tetracaine, and is thought to act similar to a local anesthetic. (3, 4, 5) Structure of Benzonatate: Image Courtesy of Wikimedia Commons. Chemically known as 4- (butylamino ... Antibiotics are drugs that kill or prevent the growth of bacteria. Acute bronchitis is usually caused by viruses, though, so antibiotics won’t help. Many studies have shown that antibiotics hardly affect the course of the illness. In the studies, antibiotics reduced the duration of the cough by half a day on average.2 days ago ... Sometimes transplant does not work. st clair river ship tracker Mucinex is a brand name for guaifenesin, which is an expectorant. First look ...The dosage for adults above 18 years is 100mg to 200mg, to be taken three times a day as required for the cough. The maximum dosage one can take is 600mg per day. Children who are between 11 and 17 years of age should be given 100mg to 200mg every day, and the maximum daily dose should not exceed 600mg. This medication should not be used in ...Doctor. 12 satisfied customers. Specialities include: Family Medicine, Internal Medicine, Urgent Care, Radiology, Pathology, Anesthesiology. Ivan M.D., Expert. sounds like the …Nov 15, 2022 · Benzonatate is a nonnarcotic antitussive medication first approved by the US Food and Drug Administration (FDA) in 1958 for the symptomatic relief of cough in patients ≥10 years old. 1 Known risks described in the benzonatate product labeling include oropharyngeal anesthesia that may lead to choking and airway compromise, and convulsions that may lead to central nervous system depression. 1 ... Benzonatate for Cough User Reviews (Page 2) Brand names: Tessalon Perles, Tessalon. Benzonatate has an average rating of 4.0 out of 10 from a total of 720 reviews for the treatment of Cough. 30% of reviewers reported a positive experience, while 62% reported a negative experience.

severe drowsiness or dizziness; confusion, hallucinations. ongoing numbness or tingling in your mouth, throat, or face; numbness in your chest; a choking feeling; chills; or. burning in your eyes. Some of these side effects may result from chewing or sucking on a Tessalon Perles capsule. Common side effects of Tessalon Perles may include:

More about Guaifenesin. Ratings & Reviews. Benzonatate has an average rating of 4.0 out of 10 from a total of 775 ratings on Drugs.com. 30% of reviewers reported a positive effect, while 62% reported a negative effect. Guaifenesin has an average rating of 7.0 out of 10 from a total of 301 ratings on Drugs.com. 64% of reviewers reported a ... You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment. This medication is used to treat coughs caused by the common cold and other breathing problems (such as pneumonia, bronchitis, emphysema, asthma). It. It works by numbing certain nerves in your lungs and airways, which lessens the urge to cough. When does Benzonatate (Tessalon Perles) start working? Time …Insurance is one of the most crucial things to have. Having insurance can protect you and your family from surprises that could make you broke. Because of this, everyone should hav...For Cough "I was prescribed 10 days of Tessalon for my persistent cough and received benzonatate instead. It's day 5 of taking it and it has not helped in the slightest. My cough has not slowed down or been relieved even a little bit." ... Not working so I added a 400 mg. Guaifenesin to my regimen. Seems to be calming down finally but the cough ...Finally, incorrect dosing may also contribute to benzonatate not working effectively. Patients may not be taking the medication as prescribed, or may be taking it at the wrong time of day. In addition, patients with certain medical conditions or who are taking certain medications may require different dosages of benzonatate to achieve the ...Other things to note. Drowsiness, dizziness, headache, nausea, stomach upset, constipation, and stuffy nose may occur. If any of these effects persist or worsen, notify your doctor or pharmacist ...Signs and symptoms of overdose (restlessness, tremors, convulsion, coma, cardiac arrest) may occur within 15 to 20 minutes and death has been reported within 1 hour of ingestion. Not approved for use in children <10 years of age. Pregnancy Pregnancy Risk Factor. C. Pregnancy Considerations. Animal reproduction studies have not been conducted.Not recommended: You are unlikely to get any additional benefit from a higher dose, but you may get unpleasant side effects. Consider a diff ... (benzonatate) for my cough but its not working what's the next meds I should check out? A doctor has provided 1 answer. A member asked: Tessalon perles (benzonatate) given for cough. ...The Bottom Line. Benzonatate is an anesthetic drug and cough suppressant. When benzonatate capsules are swallowed, the medication acts directly on the lungs to reduce coughing. Benzonatate is only approved for use in individuals 10 years of age and older. Younger children who take benzonatate may experience serious toxicity or even death.

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Benzonatate capsules, USP, a non-narcotic oral antitussive agent, is 2,5,8,11,14,17,20,23,26-nonaoxaoctacosan-28-yl p - (butylamino) benzoate; with a molecular weight of 603.7. Each benzonatate capsule for oral administration contains 100 mg or 200 mg of benzonatate. In addition, each capsule also contains the following inactive …Assess frequency and nature of cough and lung sounds (See Appendix K) to help document whether this drug is effective in reducing cough.. Monitor signs of hypersensitivity reactions, including pulmonary symptoms (tightness in the throat and chest, wheezing, cough, dyspnea) or skin reactions (rash, pruritus, urticaria).It is available in 100 or 200 mg capsules, with a maximum daily dose of 600 mg. Benzonatate contains nine ethoxy units, bears molecular resemblance to the local anesthetic tetracaine, and is thought to act similar to a local anesthetic. (3, 4, 5) Structure of Benzonatate: Image Courtesy of Wikimedia Commons. Chemically known as 4- (butylamino ...WebMD publishes a long list of common prescription medications used to treat the symptoms of cough. They are identified by generic name and common brand names. At the top of the We...Pseudoephedrine. Pseudoephedrine, the decongestant found in Sudafed, is highly effective in helping people with stuffy noses breathe more easily, said Dr. Maryann Amirshahi, a medical toxicologist ... Do not take 2 doses at the same time or extra doses. Many times this drug is taken on an as needed basis. Do not take more often than told by the doctor. How do I store and/or throw out this drug? 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. Benzonatate Capsules are not to be broken, chewed, dissolved, cut or crushed. HOW SUPPLIED. Benzonatate Capsules USP , 100 mg are available as yellow, oval soft gelatin capsules with '1' imprinted in white ink. Bottles of 100: NDC 51224-010-50 Bottles of 500: NDC 51224-010-60 Benzonatate Capsules USP , 200 mg are available as yellow, oval …Benzonatate should be swallowed whole. Benzonatate Capsules are not to be broken, chewed, dissolved, cut or crushed. HOW SUPPLIED. Benzonatate Capsules, USP are available as: 100 mg (oval, yellow) soft gelatin capsules with imprint “A5”. NDC 62332-426-31 Bottles of 100 NDC 62332-426-71 Bottles of 500You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment. This medication is used to treat coughs caused by the common cold and other breathing problems (such as pneumonia, bronchitis, emphysema, asthma). It. ….

Nov 17, 2022 ... ... not going to cause respiratory arrest or respiratory suppressant suppression and it can be safe and effective for people with chronic coughs ...Insurance is one of the most crucial things to have. Having insurance can protect you and your family from surprises that could make you broke. Because of this, everyone should hav...The Bottom Line. Benzonatate is an anesthetic drug and cough suppressant. When benzonatate capsules are swallowed, the medication acts directly on the lungs to reduce coughing. Benzonatate is only approved for use in individuals 10 years of age and older. Younger children who take benzonatate may experience serious toxicity or even death.The dosage for adults above 18 years is 100mg to 200mg, to be taken three times a day as required for the cough. The maximum dosage one can take is 600mg per day. Children who are between 11 and 17 years of age should be given 100mg to 200mg every day, and the maximum daily dose should not exceed 600mg. This medication should not be used in ...Benzonatate is a medication that is used to treat coughing. It works by numbing the throat and lungs, reducing the urge to cough. However, some patients may find that benzonatate is not effective in relieving their cough symptoms. This may be due to a variety of reasons, including underlying health conditions, medication interactions, or incorrectSwallow benzonatate capsules whole. Do not break, chew, dissolve, cut, or crush benzonatate capsules. Release of benzonatate from the capsule in the mouth can produce a temporary local anesthesia of the oral mucosa and choking could occur. If numbness or tingling of the tongue, mouth, throat, or face occurs, refrain from oral ingestion of food ...Overall rating 4.7. Effectiveness. Ease of Use. Satisfaction. I haven't had much luck with cough medicines, but my first dose helped within 30 minutes. I still can cough to get rid of gunk, but am not coughing so hard I cry. The medication is working far better than I expected and much better than Nyquil/Dayquil.Benzonatate capsules are not to be broken, chewed, dissolved, cut or crushed. HOW SUPPLIED Benzonatate Capsules USP, 100 mg: Yellow soft gelatin capsules, imprinted " "with white ink, available in bottles of 100’s (NDC 11788-028-01), and 500’s (NDC 11788-028-05). Benzonatate not working, 5 min read. Updated March 12, 2023. Written By Cabinet Health. Continue Reading. rx system visualized glass jar. Article Highlights. Benzonatate is a medication commonly …, Benzonatate, a non-narcotic cough suppressant, is effective but not without risks. Understanding its interactions is crucial for safe usage. This article delves into the drugs that should be avoided when taking benzonatate, supported by data from DailyMed, MedlinePlus, and the FDA. ... It’s prescribed for cough relief and starts working ..., Benzonatate should be swallowed whole. Benzonatate Capsules are not to be broken, chewed, dissolved, cut or crushed. HOW SUPPLIED. Benzonatate Capsules, USP are available as: 100 mg (oval, yellow) soft gelatin capsules with imprint “A5”. NDC 62332-426-31 Bottles of 100 NDC 62332-426-71 Bottles of 500, Benzonatate is chemically related to anesthetic agents of the para-amino-benzoic acid class (e.g. procaine; ... Do not break, chew, dissolve, cut, or crush TESSALON Capsules and Perles. Release of TESSALON from the capsule in the mouth can produce a temporary local anesthesia of the . Reference ID: 2893337 . oral mucosa and choking could occur ..., Benzonatate is 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 …, Do not take 2 doses at the same time or extra doses. Many times this drug is taken on an as needed basis. Do not take more often than told by the doctor. How do I store and/or throw out this drug? 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., It is available in 100 or 200 mg capsules, with a maximum daily dose of 600 mg. Benzonatate contains nine ethoxy units, bears molecular resemblance to the local anesthetic tetracaine, and is thought to act similar to a local anesthetic. (3, 4, 5) Structure of Benzonatate: Image Courtesy of Wikimedia Commons. Chemically known as 4- (butylamino ..., Benzonatate (Tessalon) is an oral drug used to relieve coughing. Learn about side effects, warnings, dosage, and more. ... How to tell if the drug is working: You shouldn’t cough as much. This ..., Benzonatate doesn't help to relieve cough. 35M No preexisting conditions / no smoking / no drinking. I've been sick since last week. It started with a sore throat then turned into cough earlier this week. Sometimes there is mucous, but usually it's dry. The cough is getting more persistent., Benzonatate capsules, USP, a non-narcotic oral antitussive agent, is 2, 5, 8, 11, 14, 17, 20, 23, 26- onaoxaoctacosan-28-ylp- (butylamino) benzoate; with a molecular weight of 603.7.Each ... CLINICAL PHARMACOLOGY. Benzonatate capsules act peripherally by anesthetizing the stretch receptors located in the respiratory passages, lungs, and pleura ..., Some of these side effects may result from chewing or sucking on a benzonatate capsule. Common side effects may include: headache, dizziness; nausea, upset stomach; constipation; itching, rash; or. stuffy nose. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects., Benzonatate should not be taken with MAO inhibitors, sedatives, or other medications that cause drowsiness. Benzonatate may also interact with other drugs that are not listed here. ... It belongs to a class of drugs called expectorants, which work by thinning and loosening mucus in the lungs, making it easier to cough up the mucus. Benzonatate ..., Benzonatate belongs to a class of drugs known as antitussives, which work by suppressing the cough reflex. It acts by numbing the stretch receptors in the respiratory passages, thus reducing the urge to cough. This can be especially helpful in cases of bronchitis, where coughing can be frequent and severe., Tessalon Perles (benzonatate) for Cough "The Tessalon pills are great! I’ve been coughing for a month and having difficulty with sleeping. The last 4 nights I have slept through the night. It seems to work best for me if I take one around an hour to an hour and a half before bedtime.Finally getting some rest.", Other things to note. Drowsiness, dizziness, headache, nausea, stomach upset, constipation, and stuffy nose may occur. If any of these effects persist or worsen, notify your doctor or pharmacist ..., By Rosanna Sutherby, PharmD. February 24, 2020. Ask A Pharmacist. The cold and flu season is in full swing, and hacking, persistent, and annoying coughs are at their peak. If you are suffering from these symptoms, your doctor may prescribe a cough medication, such as benzonatate (Tessalon Perles). , Benzonatate belongs to a class of drugs known as antitussives, which work by suppressing the cough reflex. It acts by numbing the stretch receptors in the respiratory passages, thus reducing the urge to cough. This can be especially helpful in cases of bronchitis, where coughing can be frequent and severe., restlessness. shakiness in the legs, arms, hands, or feet. stopping of the heart. trembling or shaking of the hands or feet. unconsciousness. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine., Applicable conditions: Depression, Psychosis, Parkinsonism. Caution should be used when prescribing antitussives such as benzonatate in patients with psychiatric or emotional conditions. Isolated instances of bizarre behavior, including mental confusion and visual hallucinations have been reported in patients taking antitussives, especially ..., The following are some of the common benzonatate side effects-. Headache, drowsiness, dizziness. Nausea, upset stomach, constipation. Itching, rash. Stuffy nose. Feeling chilly. Irritation in the eyes. Some serious side effects that may be associated with the use of Benzonatate are as follows-., Insurance is one of the most crucial things to have. Having insurance can protect you and your family from surprises that could make you broke. Because of this, everyone should hav..., restlessness. shakiness in the legs, arms, hands, or feet. stopping of the heart. trembling or shaking of the hands or feet. unconsciousness. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine., Useless for any other cough. When you've cleared the virus but your lungs are healing and sensitive to stretch, and taking a deep breath can trigger a coughing jag that makes you nearly puke, but there's no sputum no fever no nasal congestion - try tessalon. It works by anesthetizing stretch receptors in the lungs. Reply reply. , Proper Use. Drug information provided by: Merative, Micromedex ®. Take this medicine exactly as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance of side effects. Swallow the capsules whole. Do not break, crush, or chew them. , Benzonatate is a cough suppressant that relieves cough. It works by calming your cough reflex. Common brand names for this medication include Tessalon®, Perles® and Zonatuss®. Talk to a healthcare provider if your symptoms don’t improve or if they get worse while taking this medication. , Benzonatate capsules, USP, a non-narcotic oral antitussive agent, is 2,5,8,11,14,17,20,23,26-nonaoxaoctacosan-28-yl p - (butylamino) benzoate; with a molecular weight of 603.7. Each benzonatate capsule for oral administration contains 100 mg or 200 mg of benzonatate. In addition, each capsule also contains the following inactive ingredients ..., Nov. 15, 2022, 2:08 PM PST / Source: TODAY. By Sarah Jacoby. The Food and Drug Administration is warning that a lesser-known prescription cough medication, called benzonatate, is finding its way ..., Here are signs that your antidepressant might not be working: You feel more or the same amount of sadness, anxiety, or irritability after several weeks or months of taking the medication. You feel slightly better, but your symptoms still make it hard to function in daily life. You are having trouble sleeping., Do not break, chew, dissolve, cut, or crush BENZONATATE Perles. Release of BENZONATATE from the capsule in the mouth can produce a temporary local anesthesia of ..., Benzonatate is 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., Not known whether benzonatate is distributed into milk. Caution if used in nursing women. Pediatric Use. Safety and effectiveness of benzonatate in children <10 years of age have not been established. FDA has warned that accidental ingestion by children <10 years of age can result in death from overdose., DB00868. Background. Benzonatate is an oral antitussive drug used in the relief and suppression of cough in patients older than ten years of age. 3 Currently, benzonatate is the only non-narcotic antitussive available as a prescription drug. 2 It works to reduce the activity of cough reflex by desensitizing the tissues of the lungs and pleura ..., Benzonatate (Tessalon) is an oral drug used to relieve coughing. Learn about side effects, warnings, dosage, and more. ... It starts working about 15–20 minutes after you swallow it. Its effects ...