Characteristics Details
Generic Name Benzonatate
Dosage Forms 100 mg, 150 mg, 200 mg capsules
Route of Administration Oral
Indication Cough Suppressant
More Information

Chemical Structure

The Tessalon perles, known chemically as benzonatate, feature a distinctive structure integral to their function. Comprising a polycyclic ring system, this compound incorporates a para-aminobenzoate moiety. This component lends to its local anesthetic properties. The structural complexity allows interaction with respiratory stretch receptors.

Benzonatate is akin to other ester-linked local anesthetics. The chemical name highlights this linkage: 2,5,8,11,14,17-Hexaoxanonadecan-19-yl 4-butylaminobenzoate. The molecular intricacies enable the compound to shield nerves from depolarization. This attribute is crucial for its efficacy in suppressing cough reflexes.

Mechanism of Action

Benzonatate operates by anesthetizing the stretch receptors in the respiratory passages, lungs, and pleura. This mechanism dampens the cough reflex at its source. On ingestion, the compound acts peripherally rather than centrally, distinguishing it from opiate derivatives.

The anesthetic effect results from the inhibition of voltage-gated sodium channels. This blockade prevents nerve impulse transmission, effectively numbing the cough-inducing stimuli. The distinct pathway minimizes typical central nervous system side effects seen in other antitussives.

Warning & Precautions

Serious allergic reactions to Tessalon are uncommon but not impossible. Symptoms include chest tightness, skin rash, or dyspnea. Immediate medical attention is imperative if these occur. Patients should not bite or chew the capsules, as this can release the drug rapidly, causing mouth numbness and choking.

It is crucial to adhere to prescribed dosages to avoid toxicity. Overdose can lead to fatal consequences like seizures or cardiac arrest. Those with hypersensitivity to local anesthetics like tetracaine should exercise caution when using Tessalon.

Cautions with Other Medicines

Benzonatate can interact with certain medications. Careful monitoring is necessary when combined with CNS depressants. Alcohol consumption may amplify sedative effects, thus should be avoided. The risk of additive CNS depression increases when combined with medications such as benzodiazepines.

Patients on concurrent anticholinergic treatments might experience compounded dry mouth and urinary retention. Regular consultation with healthcare professionals ensures safe usage and mitigates adverse interactions.

How to Cope with Side Effects of Tessalon

Common side effects of Tessalon 100 mg include dizziness and constipation. To manage dizziness, arise slowly from sitting or lying positions. Maintaining hydration assists in alleviating constipation. Increasing dietary fiber intake might prove beneficial.

For gastrointestinal discomfort, small, frequent meals can mitigate nausea. Persistent adverse effects should be discussed with healthcare providers to evaluate the necessity for dosage adjustment or alternative therapy.

Purchasing Tessalon Without a Prescription

Purchasing Tessalon without a prescription is ill-advised. Unauthorized use can lead to misuse, incorrect dosages, and adverse health outcomes. A licensed practitioner should guide the administration of this cough suppressant.

Acquiring Tessalon legally ensures proper medical oversight. It guarantees the user receives the necessary monitoring and information on potential interactions and side effects. Medical professionals can provide personalized advice, ensuring efficacy and safety. For further guidance, the Drugs.com website offers valuable insights into benzonatate.

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