Illnesses

Fleas!!! (Or ticks) 

Ouch, your dog picked up some harsh bugs

Contagious

Symptoms: ichy

Weaknesses: removes -3 vgr and -1 mph

Cures: 

Yarrow (common 1-6 heal chance apply flower and leaves to skin) 

Jewelweed (uncommon 1-3 heal chance apply sap to skin)

Broadleaf (common 1-5 heal chance apply leaves to skin) 

Infection

Yikes, your wounds are really looking bad!

Symptoms: red skin around wounds, pus around wound.

Weaknesses: -4 vgr -3 psi

Cures:

Honey (ultra rare 1-2 heal chance apply to skin) 

Basil leaves (uncommon 1-4 heal chance apply to skin

Hypothermia

BRR! it's cold out here!

Symptoms: confusion, shivering, memory loss, exhaustion

Weaknesses: -4 mph, -3 vgr, -7imy

Cures:

Ginkgo (Uncommon 1-4 heal chance consume) 

Bilberry (Common 1-6 heal chance consume

Panax ginseng (Rare 1-3 heal chance consume)