5-FU injection and topical even in small doses cause both acute central nervous system (CNS) damage and progressively worsening delayed degeneration of the CNS in mice. This latter effect is caused by 5-FU-induced damage to the oligodendrocytes that produce the insulating myelin sheaths.
Home > Sexually transmitted infections > Syphilis > After treatment for syphilis. It is strongly advised that you do not have any sexual intercourse; including vaginal; anal or oral sex until you and your partner(s) have both finished the treatment and any follow-up treatment.
After a Heart Attack Having sex within the first two weeks after a heart attack can leard to more heart problems. It is important to check with your doctor about when you can resume sexual activity. Most people are able to have sex within 3 to 6 weeks after a heart attack. How long you need to recover will depend on the size of your heart attack, if you had problems after your heart attack (such as recurrent chest pain, arrhythmias or heart failure) and if you are still have problems.