The drug 6543 does not exist clinically and should be referred to as 6542, which is also known as Racemic Scopolamine and is an anticholinergic drug that blocks cholinergic receptors. There are many types of Racemic Scopolamine, mainly including Racemic Scopolamine Eye Drops, Racemic Scopolamine Tablets, Racemic Scopolamine Hydrochloride Injection, and Racemic Scopolamine Hydrochloride Sodium Chloride Injection; different types of drugs can be used in the treatment of different diseases. 1. Racemic Scopolamine Tablets are mainly used for relieving smooth muscle spasm, improving gastrointestinal colic as well as intestinal spasm and other symptoms; 2. Racemic scopolamine eye drops are often used to treat pseudomyopia that occurs in adolescents; 3. Racemic scopolamine hydrochloride injection can be used in the treatment of gastrointestinal colic and intestinal spasm, mainly in the acute attack period; 4. Racemic Scopolamine Hydrochloride Sodium Chloride Injection is mainly used for adverse reactions caused by acute microcirculatory disorders. The common adverse reactions of Racemic Scopolamine are dry mouth, red face, blurred vision, etc.; it is prohibited for children. If you need to use Racemic Scopolamine, you should strictly follow the doctor’s instructions, and not blindly use the drug on your own.