Remember that your Medicine Skill will increases the buffs caused by some theses chems

The only way to cure the Addictions caused by the mod's chems is to use a Super Fixer or a Fixer 

Every vanilla Doctor sells the new chems and some Traders will also sell the new chems (you must wait 3-indoor days for them to sell the chems)

The chems can also be obtained as as loot from containers and enemies

The Chems

-Actioner
+ 50 AP 

-All-In-One
Increases all of your SPECIAL Points by 2 for 4 minutes

-Back Booster
Increases your Carry Weight by 100 for 5 minutes

-Blood Load
+10 HP for 5 seconds

-Brain Booster
Increases your Intelligence + 5, Perception + 3, Charisma + 2 for 4 minutes

-Buff-In
Increases your Endurance + 3, Strength + 2, Health + 100 and Carry Weight by 60 for 4 minutes

-Environmetalist
Increases your Poison, Fire and Radiation Resistance by 30% for 3 minutes

-Frenzer
Increases your Damage Dealt by 25% and Damage Resistance by 30% for 80 seconds

-Life Extender
Increases your Health by 250 for 4 minutes

-Morepain
Increases your Strength + 1, Damage Dealt by 25% and Melee Damage by 30% for 4 minutes

-Near-Immoratlity
Gives you a 80% Damage Reduction for 4 minutes

-Pain Pills
Increases your Damage Reduction + 30, Endurance + 4, Damage Threshold + 20 for 5 minutes

-Pain Rage
Increases your Damage Dealt by 25%, Endurance + 3, Health + 150, Strength + 4 for 5 minutes

-RadAbort
Cures your Radiation Sickness

-Rad-XX
Increases your Radiation Resistance by 40% for 4 minutes

-Strong Powder
+5 Health for 20 seconds

-Super Fixer
Cures all of your Addictions (This is the only way to cure the addictions caused by the mod's chems)

-Turbo Rage
Increases your Damage Dealt by 25%, Agility + 3, Strength + 4  for 5 minutes and gives you the effects of the Turbo for 10 seconds

-Ultra Stimpak
+280 HP

-Visual Improver
Increases your Critical Hit Chance by 100% for 9 seconds

Installation
Just drag the file intro your Fallout New Vegas Data Folder