Trench foot
Chapter 17, p. 291
Signs listed in the manual
Tingling and/or itching sensation
Chapter 17, p. 291pain
Chapter 17, p. 291swelling
Chapter 17, p. 291cold and blotchy skin
Chapter 17, p. 291numbness
Chapter 17, p. 291prickly or heavy feeling in the foot
Chapter 17, p. 291