Manufacturer – German Remedies Package – 100mg (4 pills) Active ingredient – Sildenafil Citrate Vigora 100 is a drug produced by a company called German Remedies and is available for you to buy at out online store in the USA. It is an oral medication which is used to treat erectile dysfunction in men. The drug contains the active substance, Sildenafil Citrate, which belongs to a group of drugs called phosphodiesterase type 5 (PDE 5) inhibitors. By inhibiting PDE5, the drug can relax muscles and increase the blood flow to certain areas of the body. Effects of Sildenafil Citrate Erectile dysfunction means the inability to achieve or maintain a solid erection. Since the drug contains the same active ingredient as Viagra, this generic version works the exact same way. Sildenafil works by relaxing the muscles in the genital area and expanding the vessels that increase the blood flow to the penis. This helps to encourage the hardening of the penis but only when sexually aroused. Side effects of the drug Sildenafil has a possibility to cause mild side effects, especially when it is not used correctly. Some of the possible side effects are: Headaches. Hot flushes. Blurred vision. Stuffy or runny nose. Nausea or dizziness. Stay hydrated to avoid other side effects of the drug. Using Sildenafil Do not use more than 100mg (1 tablet) within a 24-hour period. The drug’s effect lasts for up to 4-6 hours, but to get the maximum effect from it, take Sildenafil 30-60 minutes before engaging in sexual activity. Do not chew the drug, swallow it with a glass of water. It can consume it with or without food, but it will work better on an empty stomach. Note: The drug will only be effective when sexually aroused.