No upholstered chairs, throw rugs, etc. Clear out bookcases and shelves. Blinds are preferable to curtains or drapes. Face masks during housecleaning. Avoid oscillating or ceiling fans that stir up dust.
Cold fronts coming in over rice paddies north of Houston bring spores.
Rain may clean air, but growth surges in the humidity which follows. Will have little effect on nasal congestion but may have drying effect. All cause sedation, some drying, and possible urinary retention. Chlorpheniramine 4 mg PO Q 6 hours is an economical choice. Anti-histamines will not block leukotriene and prostaglandin effects so that decongestants must be included in therapy.