Make sure you tell your doctor if you are allergic to penicillin. Amoxicillin is a type of penicillin - do not take it if you are allergic to penicillin. Yes, amoxicillin is safe enough and should be effective in treating infection caused by an ingrown toenail. Amoxicillin oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. Learn what's safe to take for colds, flus, and aches and pains when you're pregnant, including medicines and natural remedies. What should I discuss with my healthcare provider before taking amoxicillin? You should not use this medicine if you are allergic to any penicillin antibiotic, such as ampicillin, dicloxacillin, oxacillin, penicillin, or ticarcillin. Some drugs may affect the way amoxicillin works, and amoxicillin may affect other drugs you are taking, causing problems. It's very important to let your doctor know about all drugs you are taking. For most infections, you'll start to feel better in a few days. The most common side effects of amoxicillin are feeling sick (nausea) and diarrhoea. Amoxicillin is a penicillin antibiotic that fights bacteria. Amoxicillin is used to treat many different types of infection caused by bacteria, such as tonsillitis, bronchitis, pneumonia, gonorrhea, and infections of the ear, nose, throat, skin, or urinary tract. If you have a sinus infection during pregnancy, you may be tempted to take some medication for a quick fix. However, while certain medications are safe to use during pregnancy, other commonly used medications may not be safe to take while pregnant. Amoxicillin (Amoxil, Moxatag, and Larotid) is a penicillin antibiotic prescribed to treat a variety of bacterial infections such as sinusitis, laryngitis, strep throat, pneumonia, and urinary tract infections. Common side effects are insomnia, heartburn, diarrhea, and itching. Pregnancy safety information is provided.