PenicillinPrices, Coupons & Savings

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*Based on the difference between the U&C price submitted and the price the patient paid, as of April 2023.

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  2. Penicillin Potassium
    Generic for Ledercillin VK
    200mL solutions $12.07 USD
    Save $1.23
  3. Penicillin V Potassium
    Generic for Beepen-VK
    30 tablets $5.1 USD
    Save $8.40
  4. Penicillin V Potassium
    Generic for Beepen-VK
    30 tablets $4.5 USD
    Save $9.00
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Do you need a prescription for penicillin?

Yes, penicillin is only available with a valid physician Rx.

How much is penicillin without Insurance in the US?

Our website gives two competitive savings options to US customers who wish to purchase penicillin, as either a brand or generic, if available. The first is access to medications through our mail-order online pharmacy. The second is by using the Now Patient Rx Advantage Card, which can be used in over 65,000 pharmacies nationwide, across America. If you are insured, then in most cases, the cash price will be significantly cheaper than the copay.

What will my out-of-pocket cost be for penicillin in the US?

There are no out-of-pocket (OOP) costs because we are currently only offering a cash-based option to purchase medications.

Is Now Patient a penicillin savings card?

Yes. Save up to 90% on your penicillin with the FREE Now Patient Rx Advantage card*.
*Based on the difference between the U&C submitted by the pharmacy and the price the patients pay.

Can you handle Rx transfers for home delivery in the US?

Yes. If you use the mail-order online pharmacy option, then we can handle requests by you to have your prescription transferred to our pharmacy for home delivery. We can even help you manage your refills by giving you timely reminders, so you do not run out of your medication.

Is Now Patient a penicillin coupon provider in the US?

No. Now Patient does not provide penicillin coupons or FREE penicillin samples.

Do you accept commercial, Medicare or Medicaid coverage for penicillin in the US?

No. Currently, we only offer cash-based options for purchase, therefore we do not require your insurance benefit details. In the future, our plan is to be able to handle commercial insurance, Medicare and Medicaid including cases where you have multiple health plans that provide benefit coverage (e.g. Medicaid and Commercial). We also anticipate being able to handle more complex scenarios such as using primary insurance combined with a manufacturer copay assistance program.

Does Now Patient work with Medicare?

Our cash-based prices for medications are typically cheaper than Medicare copays. We do not bill Medicare Part D (standalone drug coverage) or Medicare Advantage (combined health and drug coverage). When you purchase your medication from Now Patient, you will be doing so out of your pocket. The spend will not count towards your plan deductibles or gaps.

Does Now Patient work with Commercial Insurance?

Our cash-based prices for medications are typically cheaper than commercial plan copays. We do not bill your commercial plan. When you purchase your medication from Now Patient, you will be doing so out of your pocket. The spend will not count towards your plan deductibles or gaps.

What should you do if you use too much penicillin?


Call your doctor right away or seek immediate medical attention if your symptoms do not improve or they become worse after using penicillin. You can also call 800-222-1222 to reach the American Association of Poison Control Centers or use its online resource if you think you’ve used too much penicillin. But if you have severe symptoms, call 911 (or your local emergency number) immediately or go to the nearest emergency room.


If you think it is an emergency, call 999 or find your nearest A&E
If you need help now, but it’s not an emergency go to 111.nhs.uk or call 111. Alternatively you can speak to one of our pharmacists or use the Now Patient app to make an appointment with your GP.

What should I do if I miss my dose?

There are occasions when people forget to take their medication at correct prescribed times. This may not only have an effect on potentially making the medication less effective but it may also inadvertently lead to taking doses too close together, thereby increasing the risks of side effects.

Click here to find out what to do if you forgot to take your medication

What is generic penicillin?

Generic penicillin refers to the non-brand-name version of the medication. It contains the same active ingredient as the brand-name drug but is typically less expensive.

FDA approval of penicillin

Penicillin is a broad-spectrum antibiotic and various forms of it have been approved by the U.S. Food and Drug Administration (FDA) for the treatment of bacterial infections.

Active ingredient of penicillin

The antimicrobial penicillin, was discovered by Alexander Fleming from Penicillium fungi, at St. Mary’s Hospital, London, in 1928. It is classed as a beta-lactam antibiotic.
The active ingredient of penicillin depends on the specific form of the medication. There are different types of penicillins, such as penicillin G, penicillin V, dicloxacillin, amoxicillin, and others.

US brand name of penicillin and manufacturer

Penicillin is available in the US under various brand names, including Pen-Vee K, Veetids, Amoxil, and others. The manufacturer may vary depending on the brand name.

UK brand name of penicillin and manufacturer

In the UK, penicillin is available under various brand names, including Penicillin V. The manufacturer may vary depending on the brand name.

Prescription requirement for penicillin

A prescription (Rx) is required for penicillin in both the US and the UK.

Availability of penicillin in the UK with NHS prescription

Penicillin is available in the UK with an NHS prescription.

Conditions treated by penicillin

Penicillin is used for the treatment of various infectious diseases and bacterial infections, including respiratory tract infections, skin infections, urinary tract infections, syphilis, and others.

How does penicillin work?

Penicillin works by inhibiting the growth of bacteria or killing them. It does this by interfering with the synthesis of bacterial cell walls, leading to the weakening and destruction of the bacteria. Generally, all streptococci (streptococcus) are sensitive to penicillin.

Forms of penicillin available

Penicillin is available in different forms, including oral tablets, capsules, oral suspension, and injectable formulations.

Dosage of penicillin

The dosage of penicillin may vary depending on the specific form, the type of infection, and the individual’s age and weight. It is important to follow the recommended dosage instructions provided by the healthcare provider.

If you think you have taken too much of this medication, speak to your healthcare provider. Symptoms may include confusion, a severe skin rash, urinating less, black-outs or convulsions.

Directions for penicillin use

Penicillin should be taken exactly as directed by the healthcare provider. The specific instructions may vary depending on the form of the medication. It is important to complete the full course of treatment, even if symptoms improve.

Warnings and precautions for penicillin

  • Penicillin may have certain risks and potential side effects. It is important to discuss these with a healthcare provider before starting the medication
  • Allergic reactions to penicillin are possible. Penicillin allergy is an abnormal reaction of your immune system to penicillin. Common signs include hives, rash and itching. More serious reactions may include anaphylaxis, a life-threatening condition
  • Penicillin V is not for the treatment of viral infections such as the common cold or flu
  • Take penicillin only when your doctor’s advises it, to prevent antibiotic resistance
  • Combining ampicillin with allopurinol can increase the risk of skin rash
  • Penicillin antibiotics may reduce the effectiveness of BCG and typhoid live vaccine
  • Speak to your doctor before using penicillin if you are allergic to cephalosporins, have asthma, a blood clotting disorder, kidney disease, or a history of diarrhea from by taking antibiotics

Drug interactions of penicillin

Penicillin may have an increased risk for drug interactions in patients taking probenecid. It is important to inform your healthcare provider about all the medications you are taking including vitamins and herbal supplements, to avoid potential interactions.

Use of penicillin if pregnant or planning pregnancy

The use of penicillin during pregnancy should be discussed with a healthcare provider. It is generally considered safe to use during pregnancy when necessary.
Penicillin V may pass into breast milk, harming a nursing baby. Speak to your doctor before using penicillin if you are breast-feeding a baby.

Possible side effects of penicillin

Common side effects of penicillin may include diarrhea, nausea, vomiting, and rash. Serious side effects such as hypersensitivity reactions are rare, but can occur. Promptly report any signs of a drug allergy or other concerning symptoms to a healthcare provider.

Similar drugs to penicillin

Other antibiotics belonging to different classes, such as cephalosporins, macrolides, and fluoroquinolones, can be used as alternatives to penicillin, depending on the type of infection and individual factors.



Now Patient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information in this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

Stefano Mirabello Medical Reviewer
Pharmacist / B.Pharm
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