Missed periods. No pregnancy. Issues?

I have missed my periods for more than 10days now. My date was 24th jul. I took a home pregnancy test 2days back which was negative. So I consulted a homeopathic doc who didn't do any tests but just by asking some questions gave me homeo meds to get back my period. But after taking meds for 2days still I didn't get periods. Also I am eating papaya, ginger tea, coffee, pomegranate so that I can have periods. I am married for 6months now and not trying to get pregnant. Also I have put on around 10kgs weight after my marriage. Previously never I faced any issues regarding missing periods and didn't have any major health issues or any kind of surgeries. I had LASIK eye surgery in 2015. Please help with your suggestions. Why I might not be getting periods. I am scared now if it might be something major?