This can be experienced as one or more of the following:
1. Difficulty in obtaining an erection during sexual activity.
2. Difficulty in maintaining an erection until the completion of sexual activity.
3. Decrease in erectile rigidity.
This can be experienced as one or more of the following:
1. Difficulty in obtaining an erection during sexual activity.
2. Difficulty in maintaining an erection until the completion of sexual activity.
3. Decrease in erectile rigidity.
