Hello . There is no permanent cure for allergy Floaters are usually benign and don't need treatment Only way to get rid of them is to avoid them. Having said that, get your retina examined

Allery doesn't have a permanent solution. Take personal measures to avoid the allergen. If dust allergy, avoid dusty places, use goggles while driving. Close windows when driving in car. Keep ice packs. And most importantly DON'T Rub eyes. Allery will have quiet periods and exacerbations. When it is exasperated use drops and other time take preventive measures. Try to find the pattern, when is it coming more and take appropriate precautions at that time.