Common side effects may include headaches, dizziness, flushing, indigestion, and nasal congestion. Serious side effects are rare but can include vision changes or sudden loss of vision, hearing loss, and priapism (a prolonged erection lasting more than 4 hours). Immediate medical attention is needed for these serious side effects.If you're considering Super Kamagra Oral Jelly, it's important to discuss with a healthcare professional to determine if it's the right treatment for your needs and to understand how to use it safely.