That drug is found in Sudafed, as well as allergy meds that end in "D" like Claritin-D and Allegra-D. Pseudoephedrineis effective when taken orally. Sweet suggests a steroid nasal spray like ...

Kachru and Leftwich suggest opting for long-acting antihistamines — like loratadine (Claritin ... an antihistamine nasal spray, like azelastine (Astepro), might work for you.