Men with erectile dysfunction can be treated with the prescription medication silagra 100. It functions by boosting penile blood flow. This aids in the erection and maintenance of males. It is a member of the class of drugs called phosphodiesterase type 5 inhibitors. If this medication causes you to feel lightheaded, you shouldn't drive. While taking this medication, stay away from alcohol as it raises the possibility of negative effects. This medication only works in conjunction with sexual stimulation to assist achieve an erection. Although it is highly effective, it must be taken half an hour before engaging in sexual activity. If you have recently taken nitrates, avoid using Silagra. While undergoing treatment, try to avoid or consume alcohol in moderation as it can cause vertigo.