Penegra 100 MG Tablet contains Sildenafil. It is better known as the blue pill. It is an effective medicine used for the treatment of erectile dysfunction (ED) in men. Erectile dysfunction is a condition where a man is unable to achieve and/or maintain an erection adequate for sexual intercourse. This happens because of decreased blood flow due to physical injuries and certain medical conditions, or due to some psychological conditions such as anxiety, stress, depression, etc. Penegra 100 MG Tablet relaxes the blood vessels and helps in increasing the flow of blood to the penis. Some side effects of Penegra 100 MG Tablet include flushing (redness and feeling of warmth), headache, stomach upset, dizziness, blurred vision, etc. Usually, these side effects get resolved on their own. Consult your doctor if these side effects worsen or persist for a long time. Penegra 100 MG Tablet can be taken with or without food, as prescribed by your doctor. It is recommended that you take the tablet 30-60 minutes before having sex. However, you can also take it up to 4 hours prior to sex. This medicine will help you get/maintain the erection only if you are sexually stimulated. Do not take extra pills for quick results. Penegra 100 MG Tablet is intended only for men. It is not recommended for use in women and children. Penegra 100 MG Tablet is not recommended for people with heart and kidney problems, Avoid taking this tablet if you have a recent history of stroke or angina (chest pain and discomfort). Avoid or limit drinking alcohol during the treatment as it makes you feel dizzy. Do not drive or operate machines while you are under treatment with Penegra 100 MG Tablet.