1.
Drugs cause constipation.
This kind will generally recover slowly after stopping the drug.
2.
Constipation caused by intestinal heat and water shortage. Symptoms are dry or even spherical stool, bad breath and dry mouth, and some even have blood in the second half of the stool (this is because the stool is dry and scratches the intestinal wall). The exhaled gas is hot, and the back of the hand is under the nostrils. Tongue coating is usually yellow and thick.
Solution: this needs to clear the heat of the stomach, nourish yin and replenish water.
3.
Constipation caused by deficiency of both qi and yin. Symptoms are pallor, inability to speak, poor stool, thirst but not much water, and loss of appetite. The tongue coating is generally pale and bloodless.
Solution: this needs to replenish and nourish the spleen and stomach.
4.
Constipation due to yang deficiency. The symptoms are weak defecation, irregular defecation, colorless urine, cold limbs and cold stomach, but it will be relieved after hot compress. White tongue coating, no blood on the tongue.
Solution: replenish the body's yang and qi, get more sun, and don't catch a cold.