Some common side effects include:
Although uncommon, you may develop a black, "hairy" tongue while taking Penicillin. This effect is harmless and usually goes away after treatment. Maintain good oral hygiene and brush your tongue with a soft toothbrush twice a day. If any of the side effects do not go away or are serious, please see your doctor.
Rare, but serious side effects include:
The symptoms of a drug allergy include one or more of the following:
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.
Inform your healthcare professional if: