Help me please!

I try to stay away from medicine while ttc. But idk what is going On with my body!! Day 1-5 post ovulation was great day6 started feeling bloated and uncomfortable had the runs that day and very mild cramping day 7 light cramps bloating extremely gassy (so gassy my man doesn’t want my butt under the sheets) and head aches day 8 (today right now) I woke up 3am thirsty as hell so I get some water and instantly it made my stomach turn I have cramps I’m gassy I feel bloated and a little constipated .... ima 6 days away from my period and never experienced anything like this I don’t even get pms symptoms other than attitude!!! I NEED PEPTO BISMOL OR SOMETHING! Ima urinate on a stick tomorrow if it say no I’m taking some medicine