Dryness

I’ve been on my pill now for 2 years. I’ve never had this issue before but recently I’ve been very dry during sex to the point I think it’s causing irritation inside. Ive had multiple water infections despite doing everything your told to do after sex (go for a week drink loads of water). Any advice at all? I’ve also bled after sex more recently as well as the pain when urinating. I’ve never had this problem with previous partners either.