BY MOUTH (BUT USE BY INHALATION PREFERRED), 4 MG (ELDERLY AND SENSITIVE PATIENTS INITIALLY 2 MG) 3 - 4 TIMES DAILY; MAX. SINGLE DOSE 8 MG (BUT UNLIKELY TO PROVIDE MUCH EXTRA BENEFIT OR TO BE TOLERATED); CHILD UNDER 2 YEARS 100 MICROGRAMS/KG 4 TIMES DAILY [UNLICENSED]; 2 - 6 YEARS 1 - 2 MG 3 - 4 TIMES DAILY, 6 - 12 YEARS 2 MG 3 - 4 TIMES DAILY
BY SUBCUTANEOUS OR INTRAMUSCULAR INJECTION, 500 MICROGRAMS, REPEATED EVERY 4 HOURS IF NECESSARY
BY SLOW INTRAVENOUS INJECTION (DILUTE TO A CONCENTRATION OF 50 MICROGRAMS/ML), 250 MICROGRAMS, REPEATED IF NECESSARY; CHILD 1 MONTH - 2 YEARS 5 MICROGRAMS/KG AS A SINGLE DOSE; 2 - 18 YEARS 15 MICROGRAMS/KG (MAX. 250 MICROGRAMS) AS A SINGLE DOSE [UNLICENSED]
BY INTRAVENOUS INFUSION, INITIALLY 5 MICROGRAMS/MINUTE, ADJUSTED ACCORDING TO RESPONSE AND HEART-RATE USUALLY IN RANGE 3 - 20 MICROGRAMS/MINUTE, OR MORE IF NECESSARY; CHILD 1 MONTH - 18 YEARS INITIALLY 1 - 5 MICROGRAMS/KG/MINUTE, ADJUSTED ACCORDING TO RESPONSE AND HEART RATE (DOSES ABOVE 2 MICROGRAMS/KG/MINUTE IN INTENSIVE CARE SETTING) [UNLICENSED]
BY AEROSOL INHALATION, 100 - 200 MICROGRAMS (1 - 2 PUFFS); FOR PERSISTENT SYMPTOMS UP TO 4 TIMES DAILY (BUT SEE ALSO CHRONIC ASTHMA TABLE); CHILD 100 MICROGRAMS (1 PUFF), INCREASED TO 200 MICROGRAMS (2 PUFFS) IF NECESSARY; FOR PERSISTENT SYMPTOMS UP TO 4 TIMES DAILY (BUT SEE ALSO CHRONIC ASTHMA TABLE)
PROPHYLAXIS IN EXERCISE-INDUCED BRONCHOSPASM, 200 MICROGRAMS (2 PUFFS); CHILD 100 MICROGRAMS (1 PUFF), INCREASED TO 200 MICROGRAMS (2 PUFFS) IF NECESSARY
BY INHALATION OF POWDER (FOR VENTOLIN ACCUHALER® AND ASMASAL® DOSE SEE UNDER PREPARATION), 200 - 400 MICROGRAMS; FOR PERSISTENT SYMPTOMS UP TO 4 TIMES DAILY (BUT SEE ALSO CHRONIC ASTHMA TABLE); CHILD 200 MICROGRAMS; FOR PERSISTENT SYMPTOMS UP TO 4 TIMES DAILY (BUT SEE ALSO CHRONIC ASTHMA TABLE)
PROPHYLAXIS IN EXERCISE-INDUCED BRONCHOSPASM, 400 MICROGRAMS; CHILD 200 MICROGRAMS
NOTE AMOUNT DELIVERED POSSIBLY SMALLER, SO RECOMMENDED DOSES FOR DRY POWDER INHALERS ARE TWICE THOSE IN A METERED INHALER
BY INHALATION OF NEBULISED SOLUTION, CHRONIC BRONCHOSPASM UNRESPONSIVE TO CONVENTIONAL THERAPY AND SEVERE ACUTE ASTHMA, ADULT AND CHILD OVER 18 MONTHS 2.5 - 5 MG, REPEATED UP TO 4 TIMES DAILY; MORE FREQUENTLY IN SEVERE CASES; MAX. 40 MG DAILY; CHILD UNDER 18 MONTHS, [UNLICENSED] (TRANSIENT HYPOXAEMIA MAY OCCUR - CONSIDER SUPPLEMENTAL OXYGEN), 2.5 MG UP TO 4 TIMES DAILY OR MORE FREQUENTLY IN SEVERE CASES