Difference between revisions of "Benzocaine"
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Benzocaine is an ester local anesthetic commonly used topically or in cough drops. | |||
== Uses<!-- Describe uses of the drug. If appropriate, add subsections for each indication. --> == | == Uses<!-- Describe uses of the drug. If appropriate, add subsections for each indication. --> == | ||
It is available in oral preparations (lozenges, throat spray), topical preparations (commonly for oral ulcers) or otic preparations. | |||
== Contraindications<!-- List contraindications and precautions for use of the drug. --> == | == Contraindications<!-- List contraindications and precautions for use of the drug. --> == | ||
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==== Adverse effects<!-- Describe any potential adverse effects of the drug. --> ==== | ==== Adverse effects<!-- Describe any potential adverse effects of the drug. --> ==== | ||
* Risk of methemoglobinemia | |||
=== Pharmacokinetics<!-- Describe the pharmacokinetics of the drug. --> === | === Pharmacokinetics<!-- Describe the pharmacokinetics of the drug. --> === | ||
* Metabolized by esters | |||
* pKa 3.5 | |||
== Chemistry and formulation<!-- Describe the chemistry and formulation of the drug. --> == | == Chemistry and formulation<!-- Describe the chemistry and formulation of the drug. --> == | ||
* Ester local anesthetic | |||
* Formed from ethanol and PABA | |||
== History<!-- Describe the historical development of the drug. --> == | == History<!-- Describe the historical development of the drug. --> == | ||
Latest revision as of 07:39, 16 December 2021
Benzocaine
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Benzocaine is an ester local anesthetic commonly used topically or in cough drops.
Uses
It is available in oral preparations (lozenges, throat spray), topical preparations (commonly for oral ulcers) or otic preparations.
Contraindications
Absolute contraindications
Precautions
Pharmacology
Pharmacodynamics
Mechanism of action
Adverse effects
- Risk of methemoglobinemia
Pharmacokinetics
- Metabolized by esters
- pKa 3.5
Chemistry and formulation
- Ester local anesthetic
- Formed from ethanol and PABA