Men with ED who take Cenforce 150 Red Pill can get rid of their ongoing side effects. Sildenafil citrate is the best drug in its class that blocks PDE-5. Sildenafil Citrate, which is what Cenforce 150 mg is mostly made of, is an allopathic drug. Tablets with a 150 mg dose are available. there are 10 in a pack. Generally, the drug is used to treat erectile dysfunction (ED) in adult men and keep it under control.