Alchemist's Syringe

Filling The Syringe
You can use an action to fill the syringe with any type of liquid, it holds 1 ounce of liquid. 
Into The Bloodstream

On a successful attack against an unwilling creature, they take 1 piercing damage and you may choose to inject the contents of the syringe into the bloodstream. 
However, if the creature is willing they take no damage and you may inject the contents into the bloodstream. 

Intravenous Healing

You may fill the syringe with any rarity of healing potion, upon injection the healing potion is consumed. However, when administered in this way you may reroll all dice of value 1 until they reach a higher value. 

Intravenous Poison
You may fill the syringe with any poison, upon injection the poison is consumed. However, when administered in this way it has it's saving throw dc increased by your proficiency bonus. 
Poisons that require the following methods of administration may be used in this way; Contact, Inhaled, and Injury. 

Light
A light weapon is small and easy to handle, making it ideal for use when fighting with two weapons.

Damage

This weapon is a dex based weapon for the purpose of attacking. Add your dexterity modifier to the to hit, however, do not add your dexterity modifier to the damage against an unwilling creature. It does only 1 damage.