Yes Please My Mother Is 94 And She Was Foaming

Yes please My mother is 94 and she was foaming from the mouth @ night, but lately is been during the day too. Meds she is taking flexeril 5 mg, lopressor 50mg, ditropan10mg,aspirin 81,plavix 75mg, prilosec 20mg,norvasc 10mg, synthroid 50mcg, zocor 10mg, lisinopril 40mg,elavil 10, stool softener 250, Can you explain to me what to do. thank you