I use Blue Diamond "unsweetened" Almond Milk, and am fine with it, but have a problem with most nuts, including walnut, filbert (hazelnuts), peanut, anything with a skin.
You may be reacting to your new almond milk. The processing at different plants may be different.
I think you're having an allergic reaction to foods because of the ACE you started taking. (See my other message at your other post.)
Itching in the throat sounds like you're reacting to something you ate or drank, which may stem from the ACE being toxic for you, causing hyper-excitability to free radicals stemming from the skins as a candida growth agent, whereas you had no problem before.
A racing heart can be either from the ACE (with its adrenalin) or from a candida growth-inducing food causing an allergic reaction, also because of the ACE. My throat itches too if I have nuts with skins or soy products. (Soy is bad anyway because all of it grown in the U.S. is genetically modified. Tests and testimonials are showing long term use of Genetically-Modified-Organisms soy to cause reproductive troubles, skin disorders, digestive issues. Corn, the same.)