Some signs of erectile dysfunction include a softer erection, trouble getting and maintaining an erection, or an erection that is not firm enough for sexual intercourse. Some causes of erectile dysfunction include older age, obesity, sleep disorders, alcohol use, coronary artery disease, diabetes, or low testosterone. Medications used for erectile dysfunction include Viagra and Cialis.
Viagra is taken as needed approximately one hour before sex. Viagra then remains effective for 4-6 hours. Cialis is a medication that can be taken as needed or at a low dose daily and can be effective for up to 36 hours and will start becoming effective 30 minutes after taking. Some side effects of erectile dysfunction medications include hypotension or low blood pressure. these medications should not be prescribed to someone who is taking nitrates such as nitroglycerin. Other side effects may include flushing, headache, heartburn, muscle pain, or back pain which typically goes away by itself within two days.