Cenforce 200 mg contains sildenafil citrate, the same active ingredient found in medications like Viagra. While nausea is not one of the most common side effects of Cenforce 200 mg, it is possible to experience it along with other mild side effects. Here's a breakdown: Possible Side Effects of Cenforce 200 mg: Common side effects (which are more frequent and usually mild) include: Headache Flushing (redness or warmth in the face) Dizziness Nasal congestion Indigestion (upset stomach) Vision disturbances (e.g., blurry vision, sensitivity to light) Less common side effects that could cause nausea: Nausea itself is not very common but can occur as part of gastrointestinal side effects, especially if taken on an empty stomach or if you’re sensitive to sildenafil. Stomach discomfort and indigestion may also accompany nausea, particularly if you take Cenforce 200 mg with heavy or fatty meals.