Sarcoids. Sarcoids are a benign tumour that grow on the skin of susceptible horses. While they do not spread to any other organ in the horseâs body, they can certainly spread throughout the skin.arcoids. Sarcoids are a benign tumour that grow on the skin of susceptible horses. While they do not spread to any other organ in the horseâs body, they can certainly spread throughout the skin.
List pyrithione zinc topical side effects by likelihood and severity. The following side effects are associated with pyrithione zinc topical: Common side effects of pyrithione zinc topical: Skin IrritationSevere.
High levels of phenylpyruvic acid damage the brain and can cause an array of side effects-mental retardation, the loss of pigmentation in the skin/hair/eyes (people with untreated PKU often have light skin, blond hair and blue eyes), a mousy or musty odor, muscle aches and pains and in extreme cases, even seizures.