It depends on the person
Allergy medications such as Zyrtec or benadryl. This will help ease the symptoms of the allergic reaction.
You could try Cortisone, Lanicane, Benadryl, or something like mint oil, menthol, or camphor.
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.
An allergic reaction lasts at least as long as the person is exposed to the allergen. A reaction to food, for example, can last three days. Some allergic reactions can be very dangerous, so if your breathing is compromised or the reaction is not stopping, get to a doctor.
yes if allergic person smoke it will happen
No, it's a simple molecule, too small to cause an allergic reaction.
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.
Yes, it is quite a common allergy.