There are currently 16 medicines listed in US state and federal lethal injection protocols.

These are: Pentobarbital (17 states and the Federal Government); Midazolam (7 states); Sodium Thiopental (13 states); Methohexital Sodium (1 state); Diazepam (1 state); Hydromorphone (1 state); Fentanyl (2 states); Alfentanil (1 state); Ketamine (1 state); Etomidate (1 state); Pancuronium Bromide (10 states); Rocuronium Bromide (5 states); Vecuronium Bromide (4 states); Cisatracurium Besylate (2 states); Potassium Chloride (10 states); and Potassium Acetate (2 states).

State

Protocol

Alabama

Midazolam, Rocuronium Bromide, Potassium Chloride (3 drug protocol)

Arizona

Pentobarbital (1 drug protocol);

Sodium Thiopental (1 drug protocol)

Arkansas

Midazolam, Vecuronium Bromide, Potassium Chloride (3 drug protocol)

California

Current moratorium (since 2019)

Florida

Etomidate, Rocuronium Bromide, Potassium Acetate (3 drug protocol)

Georgia

Pentobarbital (1 drug protocol)

Idaho

Pentobarbital (1 drug protocol)

Indiana

Pentobarbital (1 drug protocol)

Kansas

Sodium Thiopental, Pancuronium Bromide, Potassium Chloride (3 drug protocol)

Kentucky

Pentobarbital (or) Sodium Thiopental (1 drug protocol)

Louisiana

Pentobarbital (1 drug protocol);

Midazolam, Hydromorphone (2 drug protocol)

Mississippi

Sodium Thiopental (or) Pentobarbital (or) Midazolam, Pancuronium Bromide (or) Vecuronium Bromide (or) Rocuronium Bromide, and Potassium Chloride (3 drug protocol)

Missouri

Pentobarbital (1 drug protocol)

Montana

Sodium Thiopental (or) Pentobarbital, Rocuronium Bromide (or) Pancuronium Bromide (2 drug protocol)

Nebraska

Fentanyl, Diazepam, Cisatracurium Besylate, Potassium Chloride (4 drug protocol)

Nevada

Fentanyl (or) Alfentanil, Ketamine, Potassium Chloride (or) Potassium Acetate (3 drug protocol)

Fentanyl (or) Alfentanil, Ketamine, Cisatracurium Besylate, Potassium Chloride (or) Potassium Acetate (4 drug protocol)

North Carolina

Pentobarbital (1 drug protocol)

Ohio

Pentobarbital (or) Sodium Thiopental (1 drug protocol);

Midazolam, Vecuronium Bromide (or) Rocuronium Bromide (or) Pancuronium Bromide, Potassium Chloride (3 drug protocol)

Oklahoma

Pentobarbital (or) Sodium Thiopental (1 drug protocol);

Midazolam, Vecuronium Bromide, Potassium Chloride (3 drug protocol)

Oregon

Current moratorium (since 2011)

Pennsylvania

Current moratorium (since 2015)

South Carolina

Pentobarbital (1 drug protocol)

South Dakota

Sodium Thiopental (or) Pentobarbital, Pancuronium Bromide, Potassium Chloride (3 drug protocol);

Sodium Thiopental (or) Pentobarbital, Pancuronium Bromide (2 drug protocol);

Sodium Thiopental (or) Pentobarbital (1 drug protocol)

Tennessee

Pentobarbital (1 drug protocol)

Texas

Pentobarbital (1 drug protocol)

Utah

Pentobarbital (1 drug protocol)

Wyoming

Sodium Thiopental, Pancuronium Bromide, Potassium Chloride (3 drug protocol)

Federal Government

Pentobarbital (1 drug protocol)