Thanks for using "Ask The Doctor" for posting your query.
The most common cause of retrograde ejaculation are medication side-effects. Many medicines such an antibiotics or antidepressants can cause such retro-grade ejaculation. If you are on any medicine, then you can just wait until the medicine course is over. Further if its happening only since 1 day you may wait for 5-7 days. Many a times it will settle down by self.
Hope this helps,
Wish you a good health.
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