Selgian 20 mg Dosage and administration For oral administration to dogs. The dose rate is 0.5 mg/kg/day (-) selegiline hydrochloride in a single administration. Dog weight in kg Number of tablets ≥26 <36 ¾ ≥36 <46 1 ≥46 <56 1-¼ ≥56 <66 1-½ ≥66 <76 1-¾ ≥76 <86 2 For dogs weighing less than 26 kg, the use of Selgian® 4 mg or 10 mg is advisable. The treatment should be continued until the clinical condition is stable. The minimum treatment period recommended is 2 months, based on the clinical trials results: The treatment period was 2-3 months for 20% of the dogs. The treatment period was 4-5 months for 50% of the dogs. The treatment period was 6-7 months for 20% of the dogs' The treatment period was >7 months for 10% of the dogs. The treatment can be stopped suddenly without gradual dose reductions.