I was on tymlos for 2 years. I am not a person to take medications but it was a lifesaving necissity. All studies and expereinces that I have been shown indicated that all bone gains will be lost if PTH therapy is not follwed up with an antirepsortive. I sympathize with your concerns about tolerating bisphonsantes -- I was put on actonel ( which leaves the body quickly so may be a good option for you). I am very sensitive and had a rapid powerful response and in less than six weeks my CTX had dropped and came into line. Some peole need 3 - 6 months. However, for me that is what was needed; I was taken off and now will begin Evenity.
My six weeks on Actonel was not without serious issues - inflammatory infections and side effects that still linger. I worked with an Ayuvedic phsyician to take an herbal to protect my gut although I did never had GERD. I started the herbal 2 weeks before starting the bisphosphante. We are all different biologically. I suggest you build a team to guide you - and go through all the necessary labs to make sure you are addressing imbalances. Please Read Grest BOnes by Dr DcCOrmick - it is a eyeopener to understadng this disease and building a vision of healing and hope. I send you postive energy to navigate yourself through this process for the best possible result.