What's Wrong here?

[anoopbal]

Weight loss drugs cannot cure weight problems; get off the drug, and you will gain all the weight back.

What's wrong with the sentence above? Should I use a dash instead of a semi colon?

Thanks

[Slayer]

Weight loss drugs cannot cure weight problems; get off the drug, and you will gain all the weight back.

What's wrong with the sentence above? Should I use a dash instead of a semi colon?

Thanks


Nothing is wrong with the sentence; I'm sure you used the correct punctuation.