Common Side Effects of Penicillin VK Penicillin V Potassium Drug.

Penicillin VK can alter the normal bacteria in the colon and allow overgrowth of some bacteria such as. You may report side effects to FDA at 1-800-FDA-1088. Find information about common, infrequent and rare side effects of Penicillin V. The following side effects are associated with penicillin V potassium Solution. Aug 15, 2016. They can help you figure out if you need a different pill or if you're. My experience has been that antibiotics do make me feel more tired, FWIW.

Phenoxymethylpenicillin for infection. Antibiotics information Patient

Dec 19, 2016. Make sure you tell your doctor if you are allergic to penicillin. It will give you more information about phenoxymethylpenicillin, and it will also. A Individuals can respond very differently to any medication, and antibiotics can be. food and nutrient absorption which may cause you to feel tired or listless.