Yes, you may fast  to be on the safe side.

I have a question regarding to the days that I didn’t fast during Ramadan. I made up for 7 days but I’m not sure if it should be 8. So my question is, do I have to fast another day or is this wrong as it’s bidaa?

Fasting | June 2, 2016 5:54 am
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please advise me on this; I broke my nawaafil fast by taking medicine and food after it was past mid day, when I started feeling restless and experiencing the signs and symptoms of malaria.

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Last Ramadan I visited ENT doctor while fasting (I had a sinus) he inserted a tampon soaked with small amount of medicine into my nostril. Do I have to make up for that day? I might felt the taste of medicine in my throat after some time but I spitted out in order to clean my throat.