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Updated: Jul 5, 2026

Modeling Multiple Sclerosis in the Two Sexes: MOG35-55-Induced Experimental Autoimmune Encephalomyelitis
Published on: October 13, 2023
Sexual dysfunctions in multiple sclerosis
G Dachille1, G M Ludovico, G Pagliarulo
1Unit of Urology, Hospital San Giacomo Monopoli, Bari, Italy. gdachille@hotmail.com
Sildenafil effectively treated sexual dysfunction in multiple sclerosis patients of both sexes. This neurological condition impacts sexual health, but sildenafil improved erectile function, genital sensitivity, and lubrication, enhancing overall sexual quality of life.
Area of Science:
- Neurology
- Urology
- Sexual Medicine
Background:
- Multiple sclerosis (MS) frequently causes sexual dysfunction in patients.
- Neurological and central nervous system damage in MS underlies various sexual health issues.
- Sexual dysfunction significantly impacts the quality of life for individuals with MS.
Purpose of the Study:
- To analyze the prevalence and characteristics of sexual dysfunction in patients with multiple sclerosis.
- To evaluate the efficacy and safety of sildenafil in treating sexual dysfunction in both male and female MS patients.
- To assess the impact of sildenafil treatment on the sexual quality of life in this patient cohort.
Main Methods:
- A cohort of 221 MS patients (97 women, 124 men) aged 20-65 were studied.
- 52 patients with sexual dysfunction (14 women, 38 men) received sildenafil (50mg, escalating to 100mg).
- Efficacy was assessed using the International Index of Erectile Function (IIEF) for men and Index of Female Sexual Arousal (IFSA) for women.
Main Results:
- Sildenafil treatment led to significant improvements in erectile function, genital sensitivity, and vaginal lubrication in MS patients.
- All analyzed patients reported achievement and maintenance of adequate erection and improved sexual function after sildenafil therapy.
- The treatment demonstrated effectiveness in addressing sexual deficiencies related to MS, regardless of patient sex.
Conclusions:
- Sildenafil is an effective and safe therapeutic option for managing sexual dysfunction in both men and women with multiple sclerosis.
- The study highlights the central nervous system's role in MS-related sexual dysfunctions.
- Sildenafil therapy significantly improved the overall sexual quality of life for patients suffering from MS-induced sexual health issues.
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