Dosage cut down, will it effect the outcome?

I started using accurate from May 2016 (Dosage : 40 mg) By body weight is 80 kg. After a month My Cholestrol and triglycerides when drastically high.Also My eyes were red and the face was swollen. So I stopped medication for a while And now I'm taking a dosage of 20 mg. Will this affect the working of pill?As I'm 80 kg is this dosage enough?

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