1. Tab Allegra M once daily at night. 2. Tab Medrol 16 mg once  daily after meals only as required during emergency. 3. Avoid Dust , polluted areas. 4. Avoid Smoking. 5. Avoid cold , sour and fried food and drinks. 6. Get the Flu Vaccine every year. 7. Get Pulmovax vaccination. Prevention of Cold and Allergies. Increasing Immunity. 1. Stay away from Dust and Pollution. 2. Increase your immunity, eat plenty of Fruits and vegetables. 3. Keep Hydrated. Drink plenty of water and soups. 4. Exercise - Make it a habit to exercise or run for 45 minutes daily. This will improve your immunity. 5. Green Tea - Drink green Tea and coffee , They contain flavnoids and will.improve your immunity. 6. Multivitamin - A good multivitamin of Antioxidants will also help you avoid cold and allergies . 7. Avoid eating outside food .  8. Handful of nuts like walnuts and almonds will improve your immunity to fight of the cold and allergies. 9. Maintain Healthy weight. 10. Yoga may also help in improving once immunity and inner strength.

Your concerns are very genuine & are shared by so many other asthmatics whose disease are not completely controlled. Your asthma management is far from adequate & needs consultation by a superspecialist in chest diseases( doctor possessing preferably DM degree or at least MD degree in Pulmonary medicine). With expert management you can lead an absolutely normal life without any restrictions on any kind of physical or mental activities