Jingo is the trade name, generic name of sildenafil, and overdose can lead to a lot of adverse reactions, which can damage all systems of the body. 1. Cardiovascular system: too much sildenafil can lead to facial flushing, angina, hypotension, tachycardia and other adverse reactions. 2. Endocrine system: it will lead to gout, hypoglycemia, hyperuricemia, diabetes and so on. 3. Respiratory system: it can cause asthma, pharyngitis, bronchitis, etc. 4. Muscle and bone: it will lead to arthritis, joint pain, synovitis, etc. 5. Urinary system: it can cause urinary incontinence, cystitis, etc. 6. Others: It can also cause damage to the immune system, nerves, liver, gastrointestinal tract, eyes, ears, blood, etc. So taking drugs should be under the guidance of a regular doctor, follow the doctor’s instructions to take medication, medication, but also pay attention to the taking of nitrate drugs for the people who are prohibited. Patients suffering from diseases that cause abnormal penile erection should be cautious. When a serious adverse reaction occurs, seek medical attention as soon as possible.