Is Gentian (Longdan) Toxic? A Full Analysis of Gentian's Toxicity

Gentian is the root and stem of perennial herbaceous plants of the Gentianaceae family such as Gentiana manshurica, mainly produced in Northeast China. It can be harvested in both spring and autumn, and the autumn-harvested ones are of better quality. The roots and rhizomes are used as medicine. It tastes bitter and is cold in nature. Its action is specifically to clear heat and dry dampness; its effect of purging excess fire of the liver and gallbladder is very strong, and it can also calm wind, stop spasms and relieve pain. Now let us take a look at whether gentian is toxic!

Is Gentian toxic?

Gentian is non-toxic. Gentian has the effects of clearing heat and drying dampness and purging liver and gallbladder fire, has a very good curative effect on purging liver fire, and is also very beneficial to human digestion and absorption. It can promote gastric juice secretion, increase appetite, and can also treat high blood pressure. At the same time, it also has a very good effect on treating total hair loss. However, it is contraindicated for those with deficiency-cold of the spleen and stomach, and should be used with caution by those with yin deficiency and damaged fluids.

Side effects of gentian

1. Excessive dosage: Gentian has a mild stimulating effect on the gastrointestinal tract, which is beneficial to the digestion of food, but taking it in large doses hinders digestion and may cause headache, facial flushing, dizziness, and slowed heart rate.

2. Medicine not matching the syndrome: Gentian is a strongly cold substance with a strong fire-purging effect and easily damages yang qi. Improper use will immediately cause adverse reactions. For example, gentian has a cholagogic effect and is often used clinically to treat gallstones. The course of treatment for this disease is generally relatively long. Long-term purging with gentian often causes dizziness, fatigue, and mental lethargy. This is an adverse reaction caused by the bitter-cold gentian damaging vital qi.

Medicinal effects of gentian

[Nature and flavor] Bitter in taste, cold in nature, non-toxic.

[Meridians entered] Lung and liver meridians.

[Effects] Clears heat and dries dampness, purges liver and gallbladder fire. Used for damp-heat jaundice, swelling and itching of the genitals, vaginal discharge, eczema and itching, red eyes due to liver fire, tinnitus and deafness, hypochondriac pain and bitter taste in the mouth, priapism, convulsions and spasms, etc.

1. Clearing heat and drying dampness: Gentian can treat damp-heat jaundice, swelling and itching of the genitals, vaginal discharge, priapism, eczema and itching, etc.

2. Purging liver and gallbladder fire: Gentian can treat jaundice, bitter taste in the mouth, red eyes, deafness, hypochondriac pain, etc. caused by cholecystitis, gallstones, and viral hepatitis.

3. Removing fire and calming wind: Gentian can treat convulsions and spasms caused by fever.

4. Promoting diuresis and eliminating dampness: Gentian mainly treats eye pain, neck pain, pain in both hypochondria, upward rush of damp-heat, etc.

5. Expelling parasites and promoting digestion: Gentian can treat infantile malnutrition, latent heat in the stomach, seasonal epidemic warm-heat, heat diarrhea and dysentery, remove small worms in the intestines, boost liver and gallbladder qi, and stop fright and restlessness, etc.