Relieve your cough with the Vicks Vapo Steam cough suppressant. Add a few drops to hot water during baths, vaporizer or humidifier for relief from cold-derived coughs. Steam inhalation with Vicks Vapo steam will relieve a dry, irritated throat. This Vicks liquid medicine works great with vaporizers and humidifiers. The camphor based formula has a great smell. Add a few drops to hot water and inhale for instant relief. HSA/FSA EligibleRestrictions apply; contact your insurance provider about plan allowances and requirements. We do not currently accept FSA or HSA cards. Please use a credit card, debit card or gift card to pay for your eligible items and then submit the receipt to your plan based on the current policies for reimbursement.