Proper use of Spleen Strengthening Pill will not normally cause symptoms of fever under the tiger’s mouth on the left hand palm, if the medicine is not correct or one has q such as Yin deficiency, the above discomfort may occur. Strengthening the Spleen Pill, consists of Codonopsis, Fried Atractylodes Macrocephalae, Pericarpium Citri Reticulatae, Citrus Aurantium Citri Reticulatae, Fried Hawthorn and Fried Malt. It has the effect of strengthening the spleen and appetizing the stomach (improving appetite by strengthening the spleen). It is used in treating distention and fullness in the epigastrium (abdomen) and loose stools (thin and unformed feces) caused by weakness of the spleen and stomach. Patients with Yin deficiency commonly have symptoms such as five heartburns and heat (heat in the palms of the hands and the hearts of the feet, and self-consciousness of the heart and chest), deficiency and insomnia (insomnia due to the disturbance of deficiency and heat), dryness of the mouth and throat, hot flushes (a burst of heat), night sweating (abnormal sweating after going to sleep, and stopping of sweating after waking up), and so on. If you have symptoms of heat under the tiger’s mouth on the palm of your left hand, it is recommended that you consult a doctor promptly.