Why does Lanqin Oral Liquid make urine black?
Recently, the phenomenon of dark urine after taking Lanqin Oral Liquid has become a hot topic on the Internet, with many users expressing doubts and even worries about this. This article will give you a structured analysis of this phenomenon from the perspectives of ingredient analysis, pharmacological effects, clinical cases and expert interpretation.
1. Ingredients and pharmacological effects of Lanqin Oral Liquid

| Main ingredients | Pharmacological effects | may affect |
|---|---|---|
| Isatis root, Scutellaria baicalensis | Clear away heat and detoxify | Metabolites may change urine color |
| Gardenia, Phellodendron | Antibacterial and anti-inflammatory | Pigments are excreted by the kidneys |
| fat sea | Soothes and soothes throat | water soluble pigmentation |
2. Clinical data statistics (network feedback in the past 10 days)
| Platform | Amount of related discussions | Main concerns |
|---|---|---|
| 1,200+ items | Is it a drug side effect? | |
| Zhihu | 80+ questions and answers | Principle of pigment metabolism |
| Health Forum | 300+ posts | Whether medication needs to be stopped |
3. Authoritative interpretation by experts
1.Department of Pharmacy, Peking University Third Hospital: The natural plant pigments (such as baicalin) in Lanqin Oral Liquid will be excreted through the urine after metabolism in the body. This is a normal phenomenon and usually returns to normal 2-3 days after stopping the drug.
2.Shanghai Association of Traditional Chinese Medicine: The color change of urine is related to individual metabolic differences. If it is accompanied by pain or foamy urine, you need to seek medical treatment. There is no need to worry too much about simple color changes.
4. User response suggestions
| Situation classification | Processing method |
|---|---|
| Only the urine becomes darker | Drink more water to speed up metabolism |
| Discomfort associated with urination | Seek medical examination immediately |
| Lasts more than 3 days | Consult the attending physician |
5. Comparison of similar drugs
| Drug name | Whether to report changes in urine color | probability of occurrence |
|---|---|---|
| Lanqin oral liquid | Yes | About 15%-20% |
| Pudilan anti-inflammatory tablets | No | - |
| Shuanghuanglian Oral Liquid | slight discoloration | <5% |
Summary:The darkening of urine caused by Lanqin oral liquid is mainly related to the metabolic characteristics of its medicinal ingredients, which is a reversible physiological phenomenon. It is recommended to drink more than 2000ml of water every day during the medication. If other abnormal symptoms occur, professional medical help should be sought in time.
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