Can Celestamine Be Taken Twice A Day For Spreading Rashes On Face?

I am experiencing a allergies in my face, looks like pimples but it's really small, they spread into my check and for head which I am thinking due eating peanut and a alcohol drink from the last 2 days and my allergies or pimples started yesterday. I took Celestamine tablet today morning but I don't know If how many times for a day I can take the drug or any recommend to lessen my problem.