Dark spots from acne. Is it safe to take hydroquinone and minocycline at the same time? (Photo)

I had a bad breakout of acne (2 months ago) on my skin. Doctor prescribed me minocycline, have 1 month left. The acne cleared up but I have dark spots all over my face now (PIH). The doctor prescribed me a formula 5% Hydroquinone + 2% kojic acid + 2% vitamin c in tridem +STE GM. I was wondering if it is safe to take both HQ with the minocycline at the same time. Will the formula will work and my skin go back to the way it used to be. Do dark spots from acne go away on their own with time?

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