Sofie Wise

Leah McCabe

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About Author — Leah likes writing about health and science subjects. Through her writing she hopes to help people of all backgrounds have equal access to information and quality healthcare.

Most PlushCare articles are reviewed by M.D.s, Ph.Ds, N.P.s, nutritionists and other healthcare professionals. Click here to learn more and meet some of the professionals behind our blog.
The information provided, or in any linked materials are not intended and should not be construed as medical advice, nor is the information a substitute for professional medical expertise or treatment.

Can you get an Ampicillin prescription online?

Ampicillin is the generic name of a penicillin class drug used to treat bacterial infections.

Ampicillin can not be purchased over the counter and must be prescribed to you by a medical professional. A PlushCare doctor can prescribe you ampicillin during an online consultation. PlushCare makes it easy to consult with a doctor remotely. Just click here to set up an appointment today and ask your doctor if Ampicillin is right for you.

What is Ampicillin?

Ampicillin is an antibiotic used to kill the harmful bacteria that are responsible for an infection. Ampicillin was discovered in 1958 and came into commercial use in 1961. For serious infections, Ampicillin can be administered by a shot, or an infusion however, the most common form of treatment is an oral pill. Ampicillin is especially trusted for the treatment of infections in pregnant women, as it has been found to be generally harmless.

Ampicillin is used to treat a variety of infections, including but not limited to:

How does Ampicillin work?

As an antibiotic drug, Ampicillin is designed to destroy dangerous bacteria in your body. It does so by irreversibly inhibiting the enzyme transpeptidase, which is critical for the bacteria to make its cell wall. Without the cell wall, the membrane of the cell breaks down and the bacteria is killed.

Ampicillin dosage and treatment

As with any prescription, always follow your doctor’s specific recommendations for your individualized treatment plan.

Ampicillin oral pills come in 250 mg or 500 mg doses and are typically taken 4 times a day every six hours. Ampicillin should be taken on an empty stomach, so it may be best to wait 1 or 2 hours after a meal. Take the pill with plenty of water and drink plenty of fluids throughout the treatment.

For best results take Ampicillin at the same time everyday. Always finish your antibiotic treatment plan even if you begin to feel better.

Benefits of Ampicillin

Infections can be uncomfortable, annoying, and a hazard to your health. If the cause of an infection is a harmful bacteria, then antibiotics may be your best option for treatment. Ampicillin’s ability to treat numerous infections in a variety of patients is part of what makes this drug a staple in medicine over the past 60 years.

Side Effects of Ampicillin

Seek immediate medical attention if you begin to show signs of an allergic reaction to ampicillin. Such signs may include;

  • hives
  • difficulty breathing
  • swelling of lips, tongue, face or throat

Side effects of Ampicillin may also include,

  • acute inflammatory skin eruption (erythema multiforme)
  • redness and peeling of the skin (exfoliative dermatitis)
  • rash
  • hives
  • fever
  • seizure
  • black hairy tongue
  • diarrhea
  • inflammation of the small intestine and colon
  • inflammation of the tongue
  • nausea
  • yeast infection in the mouth (oral candidiasis/thrush)
  • swelling or inflammation of the large intestine/colon
  • inflammation of the mouth
  • vomiting
  • low white blood cell count (agranulocytosis)
  • low red blood cell count (anemia)
  • high white blood cell count (eosinophilia)
  • reduction of white blood cells (leukopenia)
  • elevated aspartate aminotransferase (AST)
  • inflammation in the kidney
  • noisy breathing
  • headache
  • vaginal itching or discharge
  • dark urine
  • easy bruising or bleeding
  • persistent sore throat or fever
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Considerations and precautions of Ampicillin

During a consultation with your doctor, always try to provide your complete medical history and a list of current and recent medications. The more your doctor knows about you, the better they can assess what kind of treatment is right for your needs.

When considering antibiotics, it is important to be aware of the complications and risks. Antibiotics are complex medications that, despite wide use, are being continuously scrutinized. This is because antibiotic resistance is an ever growing threat to the staple of antibiotics in modern medicine. Antibiotic resistance refers to the evolution of bacteria to become immune to drugs. Because bacteria multiplies so quickly, its evolutionary time scale is much faster than a human’s. This means mutations which allow for a small fraction of bacteria to survive a drug treatment can spread rapidly throughout a population of bacteria.

Click here to read more about antibiotic resistance from the World Health Organization, and find out what you can do to better your long term health. Always complete your full cycle of antibiotic treatment so as to avoid allowing the most resistant bacteria to survive.

Drug interactions

Serious interactions with Ampicillin include,

  • BCG vaccine live
  • cholera vaccine
  • demeclocycline
  • doxycycline
  • lymecycline
  • minocycline
  • mycophenolate
  • oxytetracycline
  • tetracycline
  • typhoid vaccine live

Who should not take Ampicillin?

Do not take ampicillin for a viral infection. Ampicillin should be taken only when a bacterial infection won’t go away on its own.

Can you buy Ampicillin online?

Although you can not purchase Ampicillin directly online, with PlushCare you can set up an appointment with one of our trusted doctors who can have a prescription sent to the pharmacy of your convenience. PlushCare is an online doctor’s office, not an online pharmacy. You will purchase your medication at the pharmacy when you pick it up. A PlushCare doctor will provide you with your prescription.

PlushCare takes content accuracy seriously so we can be your trusted source of medical information. Most articles are reviewed by M.D.s, Ph.D.s, NPs, or NDs. Click here to meet the healthcare professionals behind the blog.

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