Cortisone drugs by nebulizer, which have fewer adverse reactions than oral forms. Cromolyn sodium or nedocromil by nebulizer are preventive drugs and are not to be started during acute attacks. If an attack follows heavy exercise, sit and rest. Sip warm water. Treatment with bronchodilators often prevents exercise induced asthma.
Swimming is perhaps the best exercise for asthma patients.
No special diet, but avoid foods to which you are sensitive. Drink at least 3 quarts of liquid daily to keep secretions loose. New, unexplained symptoms develop. Drugs used in treatment may produce side effects.