Do you know why a horse can have reddish lips? Under her lips it is red and her tongue too.

Hello Zoë,

Like all mucous membranes, your horse’s gums should be completely pink. Bright red gums can indicate endotoxemia; pale or white signifies anemia, shock, or even internal bleeding; yellow means liver disease; and blue generally means there is a lack of oxygen in the blood, usually due to lung disease.

Even gums that are mostly pink but have a dark red line at the gum-line of the incisor teeth can mean problems. Often called the “toxic line,” this can be a sign of toxemia, dehydration, and other abnormal circulatory states. However, redness around the gum line can also mean gingivitis.

I advise you to ask your vet!

Hope it helps 🙂
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