The active ingredients of most of the Zicam cold-shortening medications are zincum gluconicum and zincum aceticum, which reduce the duration and severity of a cold, according to Drugs.com. Inactive ingredients vary by product.
Both zincum gluconicum and zincum aceticum are zinc products, explains RxList. The human immune system uses zinc for closing wounds, clotting blood and regulating the thyroid.
The inactive ingredients of Zicam Cold Remedy original pump and swabs include benzalkonium chlroide, glycerin, hydroxyethylcellulose, sodium hydroxide and sodium chloride, or salt, reports Drugs.com. The inactive ingredients of the Oral Mist include fructose and peppermint flavor.
The chewable tablets contain lecithin, maltodextrin, mono and diglycerides and hydroxypropyl methylcellulose, or HPMC, which is an inert coating or film, notes Drugs.com. The chewable tablets also have soy, cotton seed oil, sugar and malititol syrup. The RapidMelts contain magnesium stearate, mannitol, sodium lauryl sulphate, purified talc and silicon dioxide. Similar to the chewable tablets, RapidMelts also have artificial flavors.
Common ingredients found in many of the ingestive products, including Cold Remedy for kids and the lozenges, are glycerin, artifical flavors, red dye, lecithin, and sucralose, sucrose or sugar, according to Zicam. Some of the nasal sprays also contain menthol and eucalyptol, or eucalyptus.