Prickly pear cactus is also used for medicine. Prickly pear cactus is used for type 2 diabetes, high cholesterol, obesity, alcohol hangover, colitis, diarrhea, and benign prostatic hypertrophy (BPH). It is also used to fight viral infections. In foods, the prickly pear juice is used in jellies and candies.
Drooling is usually caused by excess saliva in the mouth. Medical conditions such as acid reflux and pregnancy can increase saliva production. Allergies, tumors, and above-the-neck infections such as strep throat, tonsil infection, and sinusitis can all impair swallowing.
Other causes of dry mouth. Other factors that can cause dry mouth include: Nerve damage around the head or neck. Dehydration. A side effect of medical treatment such as chemotherapy treatments or other treatments that have lead to damage to the salivary glands causing a decrease in the production of saliva.