Hi, I've Been Getting Painful Huge Pimples On My Face

Hi,
I've been getting painful huge pimples on my face with pus formation. If one comes it keaves a mark and the other one comes and it never stops. My skin used to be clear now its full of marks and these painful pimples on my cheeks, chin, nose,centre of eyebrows.. Its so stressful.. Please help me..!!