1. It is preferably either in the form of a clear liquid or a dissolvable pill.
2. It will cause the person to faint within minutes, somewhere between 5 and 30.
3. There is an antidote available.
4. Without being properly taken care of, or even given a second dosage of the poison, the person could die within 1-2 weeks (most likely the second dosage would be given one to two days prior to the person's death if I decide that they will be in fact given a second dosage).
Thanks in advance!