Doctor insights on:
How Long Do Side Effects Of Penicillin Last
Pencillin: Benzathine penicillin has duration of activity for 2-4 weeks after intramuscular route. Adverse events from an antibiotics may occur days/weeks after the antibiotic is discontinued therefore if side effect occurs after benzathin penicillin it may occur while the patient is on it or after it is discontinued and may last longer than duration of activity. ...Read more
Dr switched my prescription from amoxicillin to penicillin. How long after taking amoxicillin can i take penicillin? And will side effects be the same
many: This medication may cause stomach upset, diarrhea, nausea, and vomiting during the first few days as your body adjusts to the medication. If these symptoms persist or become severe, inform your doctor. Notify your doctor immediately if an allergic reaction occurs while taking this medication. Symptoms include: difficulty breathing, skin rash, hives, itching. If you notice other effects not listed. ...Read more
What are side effects of penicillin I have severe achalasia 4 hours after taking it, trouble swallowing ?
Can you please tell me if fatigue and foggy brain are serious side effects of penicillin. I am taking Ospen for sore throat. Thank you?
Not Usually: Penicillin is not usually associated with the symptoms you describe but any medication can produce various symptoms in any given person, as could the underlying condition for which you are taking the penicillin. If your symptoms worsen or persist, allergic reaction or interaction with other medications you may be taking should also be considered. ...Read moreSee 2 more doctor answers