Thanks for providing more information.
As she has chronic diarrhea so possible differential diagnosis may include irritable bowel syndrome, inflammatory bowel disease (Crohn's disease and ulcerative colitis), malabsorption syndromes,Celiac disease and chronic infections.
Chronic diarrhea can cause magnesium and phosphorus deficiency.
Small intestinal bacterial overgrowth can cause chronic diarrhea.
She needs to be seen by a gastroenterologist and undergo colonoscopy,liver function test,Serum electrolyte,CBC,ESR,TTG,Lactose tolerance test,Stool analysis,CT scan Abdomen.
As she has no health insurance so she can try metamucil,Mylanta and probiotics in the meantime.
For severe diarrhea,she can take Imodium/Peptobismol for short term use.
She needs to hydrate herself with Oral rehydration solution.
Alongwith medications further treatment requires elimination diet principle.
Her diet needs to be free of lactose, gluten etc.
FOODS to INCLUDE-
Whole fruits and diluted juices.
Dairy substitutes: rice and nut milks such as almond milk, coconut milk.
Non-gluten grains: brown rice, millet, quinoa, amaranth, teff, buckwheat.
Fresh ocean fish, wild game, lamb, duck, organic chicken and turkey.
Dried beans, split peas and Nuts and seeds: walnuts, pumpkin, sesame and sunflower seeds, hazelnuts, pecans, almonds, cashews, nut butters such as almond or tahini.
All raw, steamed, sautéed, juiced or baked,vegetables.
Cold pressed olive and flax seed oils, expeller pressed safflower, sesame, sunflower, walnut, canola, pumpkin, and almond oils.
Drink at least 6-8 cups of filtered water per day.
Brown rice syrup, fruit sweeteners molasses, stevia.
If her symptoms'll not improve then she needs to consider a consultation of her regular doctor and if required further referral to Gastroenterologist should be given.
Hope this helps.
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