Sirdalud is a prescription medication containing 4mg of Tizanidin per tablet, manufactured by Novartis. Each package contains 30 tablets. This medication is used as a muscle relaxant to help treat muscle spasms and stiffness. Sirdalud contains the active ingredient Tizanidin, which belongs to a class of medications called muscle relaxants. The standard dosage is 4mg per tablet, with 30 tablets provided per package. As this is a prescription medication, it should only be taken under the direction and supervision of a healthcare provider.