In House M.D. - Critical Cases, supplies are a type of resource used to advance through the game. They come in six types
- IV bag - Green - Glandular
- Tongue depressor - Purple - Digestive
- Oxygen mask - Red - Heart
- Syringe - Yellow - Chemical
- Gauze - Blue - Body
- Thermometer - White - Head
Supplies are gained by treating clinic patients with Meds. All clinic cases are color coded and must be treated with the appropriate med, so the player's availablity of supplies depends entirely on the random chance of finding a clinic patient who needs treatment with the appropriate med.
Supplies are also needed to treat the main patient. In each stage, only one type of Supply is needed, but the quantity may range from one in lower rounds to a few dozen in the higher rounds.