Steroid injections do not cause any hair loss or permanent hair loss. In fact they are used for treatment of alopecia aertea. Sometimes, more hairs enter into the telogen phase at the same time and fall with obvious note by the person. At other times, it may be due hair disorder or some other underlying disease. So, the causes for excessive hair fall may be physiological or pathological and include hormonal changes, fungal infection, physical effects (traction, heat, chemicals), psychological & stress-related reasons, thyroid disorders, iron deficiency anemia, excessive intake of Vitamin A, hereditary reasons etc. I suggest you to take opinion of a Dermatologist who will do a methodical medical check-up and advice accordingly.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.
When I was 17, I experienced a hormonal imbalance and the endocrinologist prescribed 10 mg of cortisone and after only 4 days my hair was falling out in handfulls. I immediately stopped the medication and my hair stopped falling out. Yes, I believe that cortisone whether taken internally or by a shot will definitely cause your hair to fall out. Don't ask a doctor who thinks he KNOWS everything. Obviously there may be an underlying medical condition, but the cortisone definitely interacts with whatever problems are underlying it and makes your hair fall out. Mine grew back because I stopped the drug immediately after the reaction. Doctors think they know everything and in fact, they do not, and if they removed their BIG egos and just admitted that they did not IN FACT, know everything, and they were honest in admitting so and LISTENED to what a patient is stating then, they in fact would LEARN something that they in fact are MISSING something that they need to look into further.
I was involved in a car accident 2 years ago and suffered severe whiplash and spinal cord injuries. I received cortisone shots in my neck and scalp to help relieve the pain. For 7 months I had injections every 3 weeks.
I stopped the injections 6 months ago and I'm still losing hair. My hair has gotten so sparse I'm considering wearing a wig. I was told my hair will not grow back and the loss is from the injections (my pain management doctor told me the shots definitely caused the hair loss)
If you research cortisol levels, raised by taking cortisone by mouth or injection, you will find there are even more side effects than hair loss.
I started seeing a dermatologist after developing one little bald spot on the stop of my head. I was getting steroid injection directing into the spot for a few months with no improvement. The spot,only,got bigger. The last time I went for steroid injections the doctor did them all other my scalp instead of just in the bald spot. Within weeks I developed bald spots in all of the areas where he injected me. I also developed indents in all of these spots. Its been 4 months since the injections and I've had no regrowth, indents are still there and spots have slowly gotten bigger. Steroid injections can absolutely 100% cause hairloss.