What are the Western medicines for treating erectile dysfunction?
Generally, erectile dysfunction is referred to as impotence in Western medicine. Commonly used Western medications for treating erectile dysfunction include Testosterone Undecanoate Soft Capsules, Sildenafil Citrate Tablets, Vardenafil Hydrochloride Tablets, Tadalafil Tablets, and Avanafil Tablets. If medication is needed, it is recommended to consult a physician. Detailed analysis is as follows:

1. Testosterone Undecanoate Soft Capsules
Testosterone Undecanoate Soft Capsules belong to the class of androgenic drugs. If erectile dysfunction is caused by insufficient androgen secretion, this medication can help alleviate symptoms by increasing the levels of androgens in the body, thus improving male erectile function. However, long-term use of this medication may cause androgen excess, leading to symptoms such as deepening of the voice and increased body hair.
2. Sildenafil Citrate Tablets
Sildenafil Citrate Tablets are a type of phosphodiesterase type 5 (PDE5) inhibitor. Individuals with erectile dysfunction can use this medication to promote relaxation of the smooth muscle in the corpus cavernosum of the penis, restoring normal blood flow to the corpus cavernosum, thereby improving sexual dysfunction. However, long-term or excessive use of this medication may cause psychological dependence and even worsen the condition.
3. Vardenafil Hydrochloride Tablets
Vardenafil Hydrochloride Tablets are also a phosphodiesterase type 5 (PDE5) inhibitor. When used to treat erectile dysfunction, this medication inhibits phosphodiesterase-5, restoring normal blood flow to the corpus cavernosum of the penis. However, long-term use of this medication may cause excessive penile erection and pain. Therefore, it is important to control the dosage and frequency of use appropriately.
4. Tadalafil Tablets
Tadalafil Tablets belong to the phosphodiesterase type 5 (PDE5) inhibitor class and are commonly used to treat pulmonary arterial hypertension. Additionally, they can also be used as an adjunctive treatment for erectile dysfunction. The therapeutic effect is achieved mainly by inhibiting phosphodiesterase-5, and the medication should be used in conjunction with sexual stimulation. However, the frequency of use should be limited to avoid side effects such as nausea and vomiting.
5. Avanafil Tablets
Avanafil Tablets have similar efficacy and mechanism of action to Tadalafil Tablets. Both treat erectile dysfunction and improve erectile dysfunction by increasing blood flow to the corpus cavernosum of the penis. However, long-term use may cause symptoms such as headache and facial flushing.
Therefore, individuals with erectile dysfunction should choose the appropriate medication based on their specific condition. However, regardless of the medication used, it should be taken under the guidance of a physician to avoid self-medication that may lead to adverse effects.