At the higher dosages, a 40 mg decrease is not a problem but at the lower dosages, it makes a significant difference. Would highly recommend decreasing by 20 mg. The capsules actually can be split and the contents divided, put into a juice or applesauce to take. It is hard to gauge though if getting EXACTLY 20 mg but it will be a lesser dose to add to another 40 to get your 60 mg, then drop down to 40 mg over time if 2o mg is not available. Talk to your doctor; they can prescribe 20s in the interim, it is much simpler and much safer.