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State the correct characteristic of benzocaine:

This drug is an ester and has low surface activity, weak analgesic effect, short duration and slow onset of effect. It is available in various dosage forms: solution for injections, suppositories, combined eye and ear drops, mixtures for external use.

It is a drug of medium duration of action, stronger and more toxic than procaine, dilates blood vessels, and is used in cardiology practice to treat arrhythmias.

This drug is characterized by slow onset of anesthesia and the longest anesthetic effect among representatives of the group of local anesthetics. The cardiac effects of this drug are evident even when the heart rhythm is normal.

This drug is poorly soluble in body fluids and is virtually not absorbed into the systemic bloodstream from the injection site. It has high surface activity and low toxicity. It is available as a part of combined preparations for external use.

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Pharmacology (For Indian students)

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