It all depends on the horse. Some are allergic to dust, some even to hay. There are, however, plants that are toxic to them. One major one is Black Walnut. Even the shavings (if they are just stood on) can kill a horse. I sugest doing to reseach on this, as there are a lot of poisonous plants. Most horses won't eat them unless they are really hungry or young.
Ronald Reagan
The most common food allergy is peanut allergy
Yes, most allergy treatment centers will do allergy testing for a variety of common allergens. In addition, doctors at the allergy center can also prescribe appropriate allergy medications for your daughter.
Yes, it's not the most common allergy but it is known as an allergen for some.
It is possible for someone allergic to horses to also be allergic to camels. The allergy is most likely to the dander, and horses and camels can have similar dander.
One symptom of an allergy to bee stings in horse is swelling around the site. Trouble swallowing is another major symptom.
I know of many plants that are toxic to horses, but I've only heard of an allergy to the dust in hay, which causes heaves.
Peanuts are considered the most common but they technically are not nuts
drug
If a shrimp allergy is causing red bumps, this typically means you're breaking out into hives. Hives are a common symptom of a shell fish allergy.
Shellfish sometimes contain iodine, but a shellfish allergy does not equate to an iodine allergy. This is a common misconception that originated in the 1970s.
Peanuts are not nuts, so a peanut allergy is not a common form of nut allergy, let alone the "commonest".