Taking tadalafil is not recommended for continuous intercourse. Tadalafil is used to treat erectile dysfunction in men, and men who take this medicine are usually due to erectile dysfunction and impotence, so it is not recommended to have consecutive coitus while taking the medicine, and it may aggravate the condition if you have too much coitus. Tadalafil tends to cause headaches, in addition, it may cause indigestion, nausea, and may also lead to dizziness, muscle pain, flushing, nasopharyngitis, etc.; it is not suitable for women, and it is not suitable for young people under the age of 18 years or for children. If you need to use the drug, it is recommended to use the drug under the guidance of a doctor, not blindly self-medication to avoid adverse effects.