Ampicillin is used to stop or treat certain bacterial infections, such as infections of the ears, nose, throat, urinary tract and skin.
It is a penicillin like antibiotic and works by stopping the growth of bacteria.
Take Ampicillin exactly as directed by your doctor. Do not take more or less than instructed by your doctor. - Take Ampicillin at regular intervals as instructed. Do not skip any doses. Continue to take it even when you feel better. You must complete the entire course of antibiotic. If you dont, the infection will not clear completely. - Take Ampicillin on an empty stomach, at least 1 hour before or 2 hours after a meal. This will help improve absorption of the medicine. - If you have been given capsules, swallow them whole with plenty of water. - If you have been given an oral suspension, shake it well before use to ensure that the liquid is evenly mixed. Use the measuring spoon or cup provided to measure your dose.
Upset stomach or throwing up. Many small meals, good mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help. - Loose stools (diarrhea). Yogurt or probiotics may help. - You may get these products at health food stores or in some pharmacies. - For women, vaginal yeast infection. Report itching or discharge.
Take a missed dose as soon as you think about it. - If it is close to the time for your next dose, skip the missed dose and go back to your normal time. - Do not take 2 doses at the same time or extra doses. - Do not change the dose or stop this drug. - Talk with the doctor.
Alert your doctor if you have a history of allergic reactions (rashes, breathlessness, swollen mouth or eyes) to similar antibiotics such as amoxicillin, cloxacillin, penicillin V, sultamicillin or any other penicillin antibiotics. - Alert your doctor if you are allergic to cephalosporin antibiotics such as cefaclor, cefalexin or cefuroxime. - Cephalosporins are related to penicillins and if you are allergic to one, you may be allergic to the other too.
If you think there was an overdose, call your local poison control center or ER right away. - Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue or gray skin color; seizures; or swelling of face, lips, tongue, or throat. - Very upset stomach or throwing up. - Very loose stools (diarrhea), even after drug is stopped. - Any bruising or bleeding. - Any rash. - Side effect or health problem is not better or you are feeling worse.
Alert your doctor if you are taking allopurinol, probenecid, methotrexate or warfarin. - Do not take antacids together with Ampicillin. Antacids could reduce the effectiveness of Ampicillin. - If you must take antacids, take them at least 1 hour before or 2 hours after Ampicillin. - Inform your doctor if you are taking birth-control pills that contain oestrogen. - Ampicillin may decrease the effectiveness of these pills. You may wish to discuss additional birth-control methods with your doctor or pharmacist. - Always inform your doctor and pharmacist if you are taking any other medicines, including herbal medicines and medicines that you buy without a prescription.
Store in a cool, dry place away from the reach of children. - Refrigerate the oral suspension (between 2-8°C) once you have mixed the powder with water. Do not freeze it otherwise it will become less effective. - Throw away any unused portion after 14 days. If the oral suspension is left at room temperature, do not use it beyond 7 days. - Medicines must not be used past the expiry date.
Category B : Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women OR Animal studies have shown an adverse effect, but adequate and well-controlled studies in pregnant women have failed to demonstrate a risk to the fetus in any trimester.
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