Yes, going back on colchicine for a little while sounds like a good idea. However…
First, it is very important that you make sure the allopurinol dose you are taking is appropriate for you and your lifestyle. The most straightforward way to do that when you are starting allopurinol is to test the amount of uric acid in your blood several times after you start the drug. It is not to late to do this if you haven’t already. You need to get blood tests to make sure your allopurinol use isn’t impairing your liver or kidney function anyway.
Second, you could try a lower colchicine dose to limit its side effects and possibly combine it with indomethacin. You could also try to use colchicine only after symptoms start (but without delay!) instead of every day.
Third, the amount of indomethacin you took may have been insufficient (a small amount would work better in combination with colchicine).
Fourth, there are lots of other drugs similar to indomethacin you could try to see if they give you more acceptable side-effects.
And finally, even with an appropriate allopurinol dose, it may well take more than “a few months” to completely cure your gout considering it sounds like you have been managing the symptoms of gout without addressing uric acid for such a long time. So it’s worth finding ways to deal with gout symptoms which do not involve a daily colchicine dose (though that could be your best option right now).
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Information on GoutPal is provided by a gout patient to help you understand gout and related issues. Gout information is provided by a layman, with no medical training or qualifications. It should not be used for diagnosing or treating any health problem or disease. The information is given to help you understand your doctor's advice and know what questions to ask. It is not a substitute for professional care. If you have an actual or suspected health problem, you should consult your doctor.