Asthma patients can drink strong coffee in an emergency. Bioflavinoids are wonderful. Pineapple helps dissolve mucus. Hot peppers if you can tolerate them. It keeps nasal passages clear.
Onions are a very good addition to the diet.
They have anti-inflammatory properties. In an emergency, you can put onion under your tongue if you're having a severe asthma attack. Yogurt introduces friendly bacteria into your system. Raw honey is wonderful. It's full of pollen and causes a natural desensitization.