Alka-Seltzer Plus Severe Cold Sparkling Original Effervescent Tablets have been a trusted choice for cold symptom relief since 1968. Today, our formula is better than ever with reduced sodium, less residue, and no aspartame. Conveniently individually wrapped, each dose transforms quickly in just 4 oz. of water to deliver fast-acting relief for nasal congestion, runny nose, sore throat, headache, body ache, and sinus pressure. Each box contains 20 Alka-Seltzer Plus Severe Cold Sparkling Original Powerfast Fizz Effervescent Tablets.