Thanks for writing to us.
The complaints that you have mentioned may occur with nerve damage
. Intramuscualr injections in gluteal area may lead to same if the area chosen is wrong or if the technique of injection is wrong. Similarly a permanent dimple can occur at the site of injection due to permanent loss of fat and deep skin tissue( atrophy
). Both of these are irreversible. So as such medicines can be prescribed for symptomatic pain relief. For the same, you may consult your doctor.