Thanks for all these additional details.
I am sorry to hear about your problems.
Well, such bleeding could be due to local injury to the vaginal mucosa following a stimulating contact.
You should not use dildo, till you get completely healed.
This can lead to ulcers, sores and infection.
At this time, you should Keep the vaginal area always dry.
Each and every time you pass urine, wash and dry the area with a soft towel.
Also, you should wash Dildo each time, before use.
I would not suggest you to start antibiotic at your own. A clinical examination is necessary for precise diagnosis.
Please consult a doctor - although the bleeding has become very light, there is a chance that there could be an injury to surrounding organs like the urethra, the bladder or the rectum and an examination will be the best idea.
Please see your doctor and get it managed.
I hope this helps.
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