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I have RA and get them all the bloody time, so I have a lot olf sympathy. The only thing that helps my great big, gaping sores are prednisolone meltlets. You press them against each ulcer and bliss....!
Fair enough - thought it was worth asking as it's one of the more unusual ones. I've been investigated for every systemic inflammatory condition under the sun due to recurrent bouts of iritis but turned out to have none, too!
If you have a steroid inhaler or nasal spray such as beclemethesone, spray a bit on it, it works wonders! ( pharmacist told me on seeing the size of mine) it's the steroid that heals it so quickly. Corlan pellets are being rebranded as hydrocortisone pellets and they work too.
Iglu, bongela, anbesol, etc are all useless apart from pain relieving properties in them such as lidocaine.