All of the following are true about Penicillins except?
Aqueous penicillin can cross BBB and hence it is the drug of choice in patients of neurosyphilis.
Penicillin V is acid stable, can be given orally
Probenecid increases the duration of action by penicillins
Benzathine penicillin is used in the treatment of Neurosyphilis
Penicllin V acts mainly on gram +ve micro organisms