Sirdalud 4mg is a prescription medication containing Tizanidine, manufactured by Novartis. Each pack contains 30 tablets with 4mg strength. It belongs to a class of medications known as muscle relaxants. This medication should only be taken under the supervision and prescription of a qualified healthcare provider. The dosage and duration of treatment should be determined by your doctor based on your specific medical condition. Store in a cool, dry place away from direct sunlight and keep out of reach of children.