(1) Poria has a diuretic effect, if once overdosed, then it will lead to excessive urination, thus injuring the body's fundamentals, and causing a great deal of damage to vital energy. At the same time, after the consumption of patients with kidney deficiency, it will aggravate the symptoms of the disease, and even appear slippery semen and so on, so it should pay attention to the dose and the taking of special groups.

(2) often prone to dry mouth and weak qi patients should avoid taking, otherwise it will cause harm to the body.

(3) Poria should be taken to avoid rice vinegar, strong tea and other substances, as well as pay attention to the dose, otherwise not only affect the efficacy of the drug, but also the occurrence of toxic allergic symptoms, such as abdominal pain, skin redness and swelling, bronchial asthma attacks and other situations.

2, Poria contraindications

(1) Yin deficiency without dampness and heat, cold and slippery semen, qi deficiency subsidence caution.

(2) Yin deficiency fire, dry mouth and throat should not be used.

(3) Elderly people with kidney deficiency, excessive urination, frequent urination and spermatorrhea should not be used.