Penicillin (PCN or pen) is a group of antibiotics which include penicillin G (intravenous use), penicillin V (oral use), procaine penicillin, and benzathine penicillin (intramuscular use).They are derived from Penicillium fungi.enicillin (PCN or pen) is a group of antibiotics which include penicillin G (intravenous use), penicillin V (oral use), procaine penicillin, and benzathine penicillin (intramuscular use).
Instructions. Tap the Settings icon on the iPhone home page. Select Notifications from the menu. Tap the On/Off button to the right of the word Notifications at the top of the screen to toggle it to the Off position and disable all badge alerts.Tap on the name of a particular application from the list to clear the badge alerts for a specific program.elect Notifications from the menu. Tap the On/Off button to the right of the word Notifications at the top of the screen to toggle it to the Off position and disable all badge alerts.
To turn off notification sounds, go to your notifications settings and uncheck the box next to Play a sound when each new notification is received 1  : Click in the upper-right corner of any page on Facebook and select Settings. 2  Click Notifications in the left column.