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.
Also, the studies used different zinc dosages and preparations (lozenges or syrup) for different lengths of time. As a result, it's not clear what the effective dose and treatment schedule would be. Zinc â especially in lozenge form â also has side effects, including nausea or a bad taste in the mouth.