Selgian 10 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 ≥8 <12 ½ ≥12 <17 ¾ ≥17 <22 1 ≥22 <27 1-¼ ≥27 <32 1-½ ≥32 <37 1-¾ ≥37 <42 2 For dogs weighing less than 8 kg, the use of Selgian® 4 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.