ACNE getting worse on lymecycline?

I have taken lymecycline tetralysal 300mg before and cleared my acne, however i still had spots and painful cysts on my back. 5 years later. I decided to tell my gp and was prescribed lymecycline 400mg again. i have been taking it for 13 days now once a day and I have so many spots allover my chest, which I never... show more I have taken lymecycline tetralysal 300mg before and cleared my acne, however i still had spots and painful cysts on my back. 5 years later. I decided to tell my gp and was prescribed lymecycline 400mg again. i have been taking it for 13 days now once a day and I have so many spots allover my chest, which I never used to have before. It seems to be getting worse and I am very scared will have now spots on my chest, and extremely worried they will spread to my face. Does it get worse before getting better?
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