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.
How to clear Safari website data on your iPhone or iPad. 1  Launch the Settings app from the Home screen of your iPhone or iPad. 2  Scroll down and tap on Safari. 3  Now scroll all the way to the bottom and tap on Advanced.