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Sexually transmitted infections can cause severe damage to your bodyâeven death. Except for colds and flu, STIs are the most common contagious (easily spread) infections in the United States, with millions of new cases each year. Although some STIs can be treated and cured, others cannot.
A vaginal yeast infection is not considered a sexually-transmitted infection , but 12% to 15% of men develop symptoms such as itching and penile rash following sexual contact with an infected partner. Under normal circumstances, a vaginal yeast infection is not serious and can be treated with medications.