Antipyretic Analgesics

Allopurinol is a white or almost white crystalline powder, almost odorless. Allopurinol is mainly used in gout interictal and chronic period. It is suitable for primary and secondary gout patients with excessive uric acid production, allergic or ineffective to micturition acid drugs, and inappropriate to use micturition acid drugs, so as to control hyperuricemia. It can also be combined with micturition acid drugs to enhance the curative effect, It is especially suitable for patients with severe gout stone and good renal function.

Aspirin, also known as acetylsalicylic acid, is a non steroidal anti-inflammatory drug, which was first used for anti-inflammatory and analgesic. Later scientists found that aspirin can prevent platelet aggregation to achieve antithrombotic effect. With the deepening of aspirin research, many new uses have been found, such as aspirin can reduce the mortality of myocardial infarction and stroke, and can also reduce the risk of colorectal cancer.

Hexadecylamide ethanol (PEA) is an endogenous fatty acid amide, which belongs to a class of nuclear factor agonists. It has been shown to bind to nuclear receptors (nuclear receptors) and exert a great variety of biological functions related to chronic pain and inflammation.

Glucosamine hydrochloride can be made into medicine to treat rheumatoid arthritis, ulcer and enteritis. It is a nutritional additive for food and cosmetics and a culture agent for biochemical cells.

Rotundine, also known as Rotundine and l-tetrahydropalmatine, with chemical name of 2,3,9,10-tetramethoxy-5,8,13,13a-tetrahydro-6h-dibenzo [a, g] quinazine, is a levorotatory substance of tetrahydropalmatine (DL THP). It is a blocker of dopamine receptor in the brain and preferentially blocks brain areas rich in dopamine receptors, such as cortex and striatum, It can achieve analgesic effect by strengthening the function of internal anti pain system and inhibiting the pivot in the transmission of pain information. Its analgesic effect is weaker than pethidine and stronger than general analgesics. It has no respiratory inhibitory effect under the therapeutic dose and does not cause gastrointestinal smooth muscle spasm. It has a certain effect on acute and chronic persistent pain and visceral dull pain. It was first listed in China in 1985. It is suitable for patients with insomnia due to pain. It can also be used for pain of gastric ulcer and duodenal ulcer, menstrual pain, uterine contraction pain after delivery, tension insomnia, spastic cough, etc.