Top 8 Homeopathic Remedies For Sinus Infection Some of the leading remedies to treat sinusitis areBelladonna, Kali Bichrome, Silicea, Hydrastis, Pulsatilla, Natrum Mur and Hepar Sulph. Lemna Minoris the top-most medicine to treat nasal polyps that can be associated with sinus infection. 1. Bell...