What are the active ingredients in Alka selzer plus?

Alka-Seltzer Plus typically contains a combination of active ingredients, including acetaminophen for pain relief, diphenhydramine or phenylephrine as antihistamines or decongestants, and sometimes guaifenesin as an expectorant. The exact formulation can vary depending on the specific product variant (e.g., cold, flu, or allergy). Always check the packaging for the most accurate and detailed information regarding the active ingredients.