Let me tell you how to prevent it:
1. Quit smoking alcohol, strong tea and other stimulating drinks and foods.
2. Avoid the influence of bad factors during the treatment, such as tights, jeans, sauna and steam bath.
3. Restrain sexual intercourse and prohibit sexual indulgence.
4. Enhance confidence, insist on taking medicine according to the doctor's advice, and don't stop taking medicine.
The above is for reference only, thank you!