1. What other drugs are used in same way as penicillin?
Cephalosporin, amino glycoside, tetracycline, chloramphenicol, polypeptide, and quinolone


2. Are there any side effects in the other antibiotics? What are the benefits of penicillin compared as the other antibiotics?

bactericidal against sensitive strains
relatively non-toxic
have excellent tissue penetration
effective in the treatment of infections
relatively inexpensive compared with other antibiotics.

3. How much did the penicillin cost when it was created at first? How much does it cost now?

4. Are there any differences between the cost when it was invented first and now? If there are some differences, why are there differences?

5. What’s the penicillin made out of?
It is made out of penicillin fungi.