Penegra 100 Medicine is used to treat erectile dysfunction in men. This drug is quite helpful for those who suffer from anxiety, panic attacks, depression, or impotence. One of the medication’s ingredients, tadalafil, helps men sustain a strong erection during sexual activity. This drug can be used in any manner, including before or after meals. Do not chew or crush the tablet; instead, take it with water. If there are concerns associated with excessive use, one should visit a doctor before using the medication. After taking this drug, it is best to avoid cold or fatty drinks as they will reduce its efficiency. The effects of this drug take 36 hours to manifest.