 [ Symptoms ] my wife has stomach pain nausea blurred vision muscle pain and feels like she is dying [ Disease ] as your symptoms involve multiple systems then i suggest going through some more investigations to find the real cause… your symptoms can indicate gastritispeptic ulcer and or kidney disorder usg on abdomen and kidney is important kidney function tests having emdometriosis in my opinion is a cause of your hormibsl disturbances and missed period a close follow up with the gynaecologist will show the exact cause …