Identification Take 4 pieces of this product, grind it, add 20ml of ethanol, shake it evenly, dissolve difenidol hydrochloride, filter and evaporate the filtrate, and carry out the following test on the residue.
(1) According to the experiment (1) and (2) in difenidol hydrochloride, the same reaction was found.
(2) Dissolve the residue in water, and add dilute nitric acid and silver nitrate test solution to generate white curd-like precipitate.
The inspection shall comply with the relevant regulations under tablets (appendix 1A).
Content determination: take this product 10 tablet, moisten it with a small amount of ethanol, grind it, extract it with 50ml ethanol for three times (20ml,15ml,15ml), filter it, wash the filter and filter residue with a small amount of ethanol, combine the filtrate and washing liquid, and evaporate./kloc-. Every 1ml perchloric acid titration solution (0. 1mol/L) is equivalent to 34.59mg c 2 1h 27 no. HCl.
Classified storage is the same as that in difenidol hydrochloride.
Specification 25 mg
Drug Name Generic Name: Difenidol Hydrochloride Tablets Product Name: Difenidol Hydrochloride Tablets
English name: Hanyu Pinyin: Yansuadifeniduopian
Ingredients The main ingredient and chemical name of this product are: a, a- diphenyl-1- piperidine butanol hydrochloride. The auxiliary material is starch.
Description: This product is a white sugar-coated tablet, which is white after coating is removed.
Category of action This product is an over-the-counter anti-vertigo drug.
Indications: It is used to prevent and treat dizziness, nausea and vomiting caused by various reasons or diseases, such as carsickness when traveling by car, ship or plane.
Specification: 25mg per tablet
Administration and dosage by oral administration. Treat motion sickness every time 1 ~ 2 tablets, three times a day. In order to prevent carsickness, you should take medicine 30 minutes before departure. Please consult a doctor or pharmacist for the dosage of children below 12.
Adverse reactions 1. The common adverse reactions are dry mouth, palpitation, dizziness, headache, lethargy, anxiety and mild gastrointestinal discomfort, which can disappear after stopping the drug. 2, occasional auditory hallucinations, hallucinations, disorientation, insanity, depression, etc. 3, occasional rash, transient hypotension.
Note: 1. Those who are allergic to this product and infants within 6 months are prohibited. 2, glaucoma, gastrointestinal or urinary tract obstructive diseases and tachycardia patients with caution. 3, pregnant women and renal insufficiency with caution. 4. If there is excessive or serious adverse reaction, please seek medical attention immediately. 5. When the characteristics of this product change, it is forbidden to use it. 6. Children must use it under the supervision of adults. 7. Please keep this product out of the reach of children.
Drug Interaction If you are taking other drugs, please consult a doctor or pharmacist before using this product.
Pharmacotoxicology This product can improve the blood supply of vertebrobasilar artery, regulate the function of vestibular system, inhibit vomiting center, and have anti-vertigo and antiemetic effects.
Storage, sealing and preservation.
Packing: 24 pieces per board, PVC and aluminum foil, 120 pieces/box.
Valid for two years.