If someone is allergic to the ingredients in Cenforce 25 mg, they should avoid using it altogether. Allergic reactions to medications can range from mild to severe and can include symptoms such as skin rash, itching, swelling, difficulty breathing, and anaphylaxis, which is a life-threatening allergic reaction.

If someone knows they are allergic to any of the ingredients in Cenforce 25mg or any other medication, they should inform their healthcare provider immediately. It's essential to read the medication's label and package insert carefully to identify any potential allergens and discuss them with a healthcare professional.

In cases of known allergies, healthcare providers can recommend alternative medications that do not contain the allergen or prescribe appropriate treatments to manage allergic reactions. It's crucial to follow the guidance of a healthcare provider and never use a medication if allergic to any of its ingredients, as doing so can be dangerous and potentially life-threatening.