For a nosebleed: Put the nose much lower then the body until the heart stops.
For fainting: Rub the person's chest or, if a lady, rub her arm above the hand instead.
Or put the head between the knees of the nearest medical doctor....
For dog bite: put the dog away for sevral days. If he has not recovered, then kill it.
For asphyxiation: Apply artificial respiration until the patient is dead.
For head cold: use an agonizer to spray the nose untill it drops in your throat.
To keep milk from turning sour: Keep it in the cow.