Yes! I was diagnosed as a child as being allergic to sand. In my case, it causes my skin to peel off layer by layer in the area that was exposed to sand. Others will get hives when they are exposed.
No but someone could be allergic to sand.
Yes! Well, specifically someone can be allergic to certain minerals or metals found in the sand. Otherwise, the texture of sand can generally cause skin irritation.
No. Sand is an inert object and therefore does not cause any type of allergic response from the body's system. A perceived allergy to sand could simply be due to the rubbing of sand on the skin, or irration due to inhalation or contact with particles within the sand. All sand is the same, with the only difference being the sediment mixed between sand particles, so these could also cause a reaction, but is not an allergy, and is not due to the sand itself.
True
Yes, only if you are actually allergic to collagen. It is possible to be allergic to collagen.
No, it is not possible to be allergic to blood. Your immune system violently reacts to the allergens you are allergic to. If anyone were allergic to blood, they'd be dead by now. But it is possible to have a phobia of blood.
Yes, it is possible to be allergic to egg whites and experience symptoms of an allergic reaction.
Yes
Yes, it is possible to be allergic to grass. Grass pollen is a common allergen that can trigger allergic reactions in some individuals, causing symptoms such as sneezing, itching, and congestion.
yes. i am allergic to the metal in the needles but the doctor does not know why.
Yes, it is possible to be allergic to egg yolk exclusively.
It is possible to be allergic to just egg white, but it is more common to be allergic to the whole egg.