What Am I Riddles

Question: I am the thing that is used to make your weight. What am i?

Question: Draw, fire, or fill me;
I'm still empty.

What am I?

Question: Had by few but treasured by all,
I'm on the inside and outside and I make men fall.

What am I?

Question: I'll bring out your bulls,
and slow your roll.
I may even come out of your skull.

What am I?

Question: My first doth affliction denote,
which my second is destined to feel.
And my whole is the best antidote,
that affliction to soften and heal.

What am I?