You might try to avoid it, but you'll even tually take damage, be it from the undead hordes or your fellow humans. You might need to not sleep for a while, despite being exhausted and in the middle of the zombie infested streets. Your exploits with the huge hammer have left you without any stamina, and the last zombie master in the area is coming closer. All of this emphasizes the need for medical items, all of which can be found in your local pharmacy (and parks, in the case of pills).
"Save lives. Especially yours." Healing: 5/6/7/8, (0/1/2/3 Medic Skill).
"Nothing. Just a little blood"
If you don't have a medikit on hand, this is the next best thing. Stackable. Healing: +1/+2/+2/+2/+2/+2, (0/1/2/3/4/5 Medic Skill). Max 5 Stacks per slot.
Note: with one or more medic skill these are more space efficent than medkits if fully stacked
Pills, Blue Edit
SLP: +120/+144/+168/+198, (0/1/2/3 Medic Skill). Max 20 per slot. Affected by Medic skill.
(+120/+138/+156/+174/+192/+210 with 0/1/2/3/4/5 Medic Skill, as of Rev. 6)
Pills, Green Edit
STA: +10/12/14/16, (0/1/2/3 Medic Skill). Max 20 per slot. Affected by Medic skill.
(+10/+11/+13/+14/+16/+17 with 0/1/2/3/4/5 Medic Skill, as of Rev. 6)
they revor sanity (you can improve on this but i am not sure how much it revors)