Medkits
From WikiRaider
Medkits are a Health Item in Shadow of the Tomb Raider. They can be found in human settlements, as opposed to Medicinal Plants that can be found in the Peruvian Jungle
Medkits contain medicine to heal injuries.
On-screen Info
Picking up a Medkit increases Lara Croft's inventory of Cloth and Medicine, both Resources needed for Crafting healing Herbal Mixtures. In this aspect they are unlike the Medipacks from the Classic Games that were special items.