Principen Oral : Uses, Side Effects, Interactions

Principen Capsule

GENERIC NAME(S): Ampicillin


Ampicillin, sold under the brand name Principen among others. Principen is used to treat various types of bacterial infections. It is a penicillin-type antibiotic. It works by stopping the growth of bacteria.

This antibiotic only treats bacterial infections. It will not work for viral infection (such as common cold, flu). It is not necessary to use any antibiotic when it does not work for future transition.

How to use Principen Capsule

Take this medication normally from mouth 4 times a day (every 6 hours), or by your doctor. Take Principen with an empty stomach (1 hour before meals or 2 hours after meals) with a full glass of water. Drink lots of fluid while using this drug unless your doctor tells you otherwise.

Dosage is based on your medical condition and medical reaction.

For the best effect, take this antibiotic evenly to the distance. To help you remember, take this medicine at the same time every day.

Continue taking Principen until the symptoms disappear after a few days. Preventing the medicine very early can allow the bacteria to grow, resulting in the infection can get rid of it.

Inform your doctor if your condition persists or worsens.

Side Effects

Nausea, vomiting, diarrhea or mouth / tongue can cause wounds. If any of these effects persists or worsens immediately, inform your doctor or pharmacist immediately.

Remember that your doctor has prescribed this drug because he or she has decided that the benefit is higher than the risk of side effects. Many people using this drug do not have serious side effects.

Tell your doctor immediately if any of these rare but very serious side effects are: dark urine, persistent nausea or vomiting, stomach / abdominal pain, blinking of eyes or skin, easy injury or bleeding, continuously sore throat Or fever.

Due to the type of resistant bacteria, Principen can rarely cause the intestinal severity (Clostridium difficile-associated diarrhea). This condition can occur during the treatment or during the months of the closure of the treatment months. If you have any of the following symptoms, do not use anti-diarrhea products or drug painkillers because these products can make them worse. Immediately tell your doctor if you develop: persistent diarrhea, stomach or stomach ache / cramps, blood / mucus in your stool

Using Principen for prolonged or frequent periods may lead to oral thrush or a new vaginal yeast infection (oral or vaginal fungal infection). If you see white spots, changes in vaginal discharge or other new symptoms in your mouth, contact your doctor.

There is no possibility of a very serious allergic reaction to this drug, but if this happens, seek immediate medical attention. Symptoms of a serious allergic reaction can include: Rashes, itching / swelling (especially the face / tongue / throat), severe dizziness, trouble breathing.

Principen can usually cause light rashes, which is not usually serious. However, you can not tell it apart from a rare grain that could be a sign of a serious allergic reaction. Therefore, if you develop any grain, then seek immediate medical attention.

This is not a complete list of possible side effects. If you do not list other effects above, contact your doctor or pharmacist.

In America – Call your doctor for medical advice about side effects. You can notify the FDA of side effects on 1-800-FDA-1088 or

In Canada – Call your doctor for medical advice about side effects. You can report the health effects of Canada on 1-866-234-2345.


Before taking Principen, tell your doctor or pharmacist whether you are allergic to it; Or penicillin or cephalosporin antibiotics; Or if you have any other allergens. This product can have passive elements, which can cause allergic or other problems. Talk to your pharmacist for more details.

Before using this drug, tell your doctor or pharmacist your medical history, in particular: kidney disease, a certain type of viral infection (infectious mononucleosis).

Principen can not work due to live bacterial vaccines (such as typhoid  vaccine). Do not have any immunizations/vaccinations while using this drug unless your doctor tells you.

As you grow older, kidney function decreases. This medicine is removed by the kidney. Therefore, elderly people may be more sensitive to this drug.

This drug should be used only when explicitly required during pregnancy. Discuss the risks and benefits with your doctor.

Principen passes in breast milk. Consult your doctor before breastfeeding.


Your healthcare professionals (such as doctors or pharmacists) may already be aware of any potential drug interactions and may be monitored for this. Do not start, stop, or alter any supplements before you check with them first.

Before using Principen, tell your doctor or pharmacist about all the prescriptions and non-prescription / herbal products you can use, especially: methotrexate, tetracycline.

Although most antibiotics are unlikely to affect hormonal birth control, such as pills, patches, or rings, some antibiotics (such as rifampin, rifabutin) can reduce their effectiveness. This can lead to pregnancy. If you use hormonal birth control, ask your doctor or pharmacist for more information.

Principen can give false positive results with some diabetic urine test products (cupric sulfate-type). This drug may also affect the results of some lab tests. Ensure that the lab staff and your doctor know that you use this medicine.

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist about all the products you use. Keep a list of all your medicines with you, and share the list with your doctor and pharmacist.

Over Dose

If someone is treated and has serious symptoms like having trouble going out or breathing, call 911. Otherwise, call the Poison Control Center immediately. US residents can call their local venom control center at 1-800-222-1222. Canadians can call a provincial poison control center. Symptoms of overdose may include: severe vomiting, persistent diarrhea, abnormal changes in urine volume or trips.


Do not share this medication with others.

This drug is prescribed for your current condition only. Do not use it later for any other infection until your doctor tells you.

With long-term remedies, laboratory and / or medical tests (e.g., kidney and liver function, complete blood count) should be done periodically to monitor your progress or to examine side-effects. Consult the doctor for more information.

Missed Dose

If you miss a dose, then use it as you remember. If it is near the next dose time, then leave the missed dose and start your normal dose program again. Do not double the dose to catch up.


Store at room temperature between 59-86 ° F (15-30 ° C), away from excessive heat and humidity. Do not store in the bathroom. Keep all medicines away from children and pets.

Until instructed not to do so, do not flush the medicines in the toilet and do not drain in the drain. When this period expires or does not need it, then properly release this product. Consult your drug dealer or local waste disposal company to get more information about safely terminating your product.

Disclaimer: DrLinex has made every effort to ensure that all information is factually accurate, comprehensive and up-to-date. However, this article should not be used as a licensed health care professional’s choice of knowledge and expertise. You should always consult your doctor or other health care professional before taking any medication. The information given here is subject to change and it has not been used to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions or adverse effects. The lack of warning or other information for any drug does not indicate that the combination of medicine or medication is safe, effective or appropriate for all patients or all specific uses.

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