Yes, a person can have an allergic reaction to camphor. I myself am allergic.
It depends on the person
Allergic reactions depend on a person's immune response and biological reactions. This means that all chemicals has the potential to trigger at least one person's allergic reaction.
It could if you have an allergic reaction to chocolate, and a possibility of an allergic reaction to chocolate would be developing acne. No
No
No, it's a simple molecule, too small to cause an allergic reaction.
yes
Only if the person is already allergic to that antigen. Not if they are immune to the antigen. The word antigen refers to the protein that joins with the antibody. If the antibody is of the allergic type (IgE) then an allergic reaction will happen and if the antibody is of the immune type (IgG, IgM or IgA) then there won't be an allergic reaction.
Ask your doctor. Only if you have a allergic reaction.
No. You can not spread an allergic skin reaction. You can, however, spread the irritant or chemical that may cause an allergic skin reaction if your clothing or other items have the irritant or chemical in or on them and the person is sensitive or allergic to it. I don't know why you say No, its contagious. if you want Natural remedies for skin allergies please visit www.makehealtheasy.com
Yes, anything can cause an allergic reaction. It depends entirely on if the person being exposed to the soda ash is sensitive to it.
no