<unk>  is contraindicated in patients with known hypersensitivity reactions to<unk>  or amino-amide anesthetics. It is also contraindicated in obstetrical paracervical blocks and intravenous regional anaesthesia (Bier block) because of potential risk of tourniquet failure and systemic absorption of the drug and subsequent cardiac arrest. The 0.75% formulation is contraindicated in epidural anesthesia during labor because of the association with refractory cardiac arrest.
Bupivacaine
Procaine
Tetracaine
Articaine
Levobupivacaine
Iontocaine
Ibogaine
Ropivacaine