Common unwanted effects can include headache, dizziness, flushing, indigestion, nausea, and temporary changes in vision. These effects may be mild and temporary, but unusual or severe symptoms should be discussed with a healthcare professional.

Sildenafil should not be taken together with nitrate medicines because the combination can cause blood pressure to fall significantly. Other medicines may also interact with it, so professional advice is important.
Overall, the best approach is to avoid choosing a strength based only on information found online. A qualified healthcare professional can review your individual circumstances and determine whether Cenforce 100 mg is appropriate.