Diphenhydramine HCl oral solution. Antihistamine. Relieves: sneezing; runny nose; itchy, watery eyes; itchy throat. Alcohol free. Pre-filled single use spoons (12.5 mg diphenhydramine HCl each). The histamine blocker. On-the-go allergy relief. Rite dose. Each pre-filled spoon contains: sodium 14 mg.