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Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does intake of Zithromax and Motrin cause delayed periods?

i had sex about the end of october, we used protection and everything, also it s kinda hard to get pregnant if he doesn t even cum in me but i m still terrified. i was prescribed zithromax and i took it for about a week then i had to start on 800 mg of motrin twice a day. could that cause me to be late on my period or miss it?
Fri, 11 Jan 2019
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General & Family Physician 's  Response

It is less likely that Zithromax and Mortin intake will effect your menstrual cycle.

However, stress and infections may delay periods for a few days. It should be always remembered that no means of contraception is 100% effective except removal/block of reproductive organ or gonad.

Apart from that, the pre-ejaculatory fluid may contain few sperms and that is not a reliable method to follow.

In my view, you can take a urine pregnancy test at home or see a doctor and take blood beta HCG, ultrasound to find the out the cause of delayed periods.

Hope I have answered your query. Let me know if I can assist you further.

Take care

Dr Ayesha Shareef, General & Family Physician
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