Erectile dysfunction curing medicine Suhagra 50 mg is one of the most prescribed medicines that should be taken on an empty stomach. The medicine is effective in treating premature ejaculation and loose penis. As the medicine is very effective in treating ED so are its side effects which include dizziness, blurred vision, upset stomach, rashes, headaches, flushing, and muscle pain. In severe cases, it may lead to loss of vision and hearing impairment.