Malign obstruction (pregnancy vomiting) arising when blood gathers to nourish the uterus, and thoroughfare (chōng) vessel becomes exuberant, and ascends counterflow carrying liver and stomach qì with it. Liver heat malign obstruction usually occurs in women who are normally of a rash and impatient disposition. It is characterized by vomiting of sour fluid and sometimes immediate vomiting of ingested food, dizziness, and bitter taste in the mouth.
Medicinal therapy: Clear the liver and harmonize the stomach; downbear counterflow and check vomiting. Use Gallbladder-Warming Decoction (温胆汤wēn dǎn tāng) minus fresh ginger (Zingiberis Rhizoma Recens, 生姜shēng jiāng) and jujube (Jujubae Fructus, 大枣dà zǎo) and plus scutellaria (Scutellariae Radix, 黄芩huáng qín), coptis (Coptidis Rhizoma, 黄连huáng lián), phragmites (Phragmitis Rhizoma, 芦根lú gēn), and ophiopogon (Ophiopogonis Radix, 麦门冬mài mén dōng).