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Home Knowledge Center Wellness Library penicillin V potassium (oral)

penicillin V potassium (oral)

Pronunciation: PEN i SIL in V poe TAS ee um

Penicillin V Potassium

slide 1 of 7, Penicillin V Potassium,

250 mg, oval, white, imprinted with 93, 1172

Image of Penicillin V Potassium
slide 1 of 7

Penicillin V Potassium

slide 2 of 7, Penicillin V Potassium,

500 mg, oval, white, imprinted with 9 3, 1174

Image of Penicillin V Potassium
slide 2 of 7

Penicillin V Potassium

slide 3 of 7, Penicillin V Potassium,

250 mg, round, white, imprinted with PVK 250, GG 949

Image of Penicillin V Potassium
slide 3 of 7

Penicillin V Potassium

slide 4 of 7, Penicillin V Potassium,

500 mg, oval, white, imprinted with PVK 500, GG 950

Image of Penicillin V Potassium
slide 4 of 7

Penicillin V Potassium

slide 5 of 7, Penicillin V Potassium,

250 mg, oval, white, imprinted with S20

Image of Penicillin V Potassium
slide 5 of 7

Penicillin V Potassium

slide 6 of 7, Penicillin V Potassium,

500 mg, oval, white, imprinted with S21

Image of Penicillin V Potassium
slide 6 of 7

Penicillin V Potassium

slide 7 of 7, Penicillin V Potassium,

500 mg, capsule, white, imprinted with E, 8 5

Image of Penicillin V Potassium
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What is the most important information I should know about penicillin V potassium?

What is the most important information I should know about penicillin V potassium?

You should not be treated with this medicine if you are allergic to penicillin.

What is penicillin V potassium?

What is penicillin V potassium?

Penicillin V potassium is a slow-onset antibiotic that is used to treat many types of mild to moderate infections caused by bacteria, including scarlet fever, pneumonia, skin infections, and infections affecting the nose, mouth, or throat. Penicillin V potassium is also used to prevent the symptoms of rheumatic fever.

Penicillin V potassium is also used to prevent infections of the heart valves in people with certain heart conditions who need to have dental work or surgery.

Penicillin V potassium may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking penicillin V potassium?

What should I discuss with my healthcare provider before taking penicillin V potassium?

You should not be treated with this medicine if you are allergic to penicillin.

Tell your doctor if you have ever had:

  • an allergic reaction to a cephalosporin antibiotic (Keflex, Omnicef, and others);
  • any type of allergy;
  • asthma or breathing problems;
  • a stomach or intestinal disorder;
  • heart disease; or
  • kidney disease.

If you have stomach problems or are sick with severe vomiting or diarrhea, your medication may not be as effective.

Penicillin V potassium oral liquid may contain phenylalanine. Tell your doctor if you have phenylketonuria (PKU).

Tell your doctor if you are pregnant or breastfeeding.

Do not give this medicine to a child without medical advice.

How should I take penicillin V potassium?

How should I take penicillin V potassium?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

You may take penicillin V potassium with or without food.

Shake the oral liquid before you measure a dose. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

When given before surgery or dental work, penicillin V potassium is usually taken 1 hour before and 6 hours after the procedure. Follow your doctor's dosing instructions very carefully.

Use this medicine for the full prescribed length of time, even if your symptoms quickly improve. Skipping doses can increase your risk of infection that is resistant to medication. Penicillin V potassium will not treat a viral infection such as the flu or a common cold.

After you have finished all doses, your doctor may want to do tests to make sure your infection has completely cleared up.

Store the tablets at room temperature away from moisture, heat, and light.

Store the liquid in a refrigerator. Do not freeze. Throw away any unused liquid after 14 days.

What happens if I miss a dose?

What happens if I miss a dose?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

What happens if I overdose?

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking penicillin V potassium?

What should I avoid while taking penicillin V potassium?

Do not share this medicine with another person, even if they have the same symptoms you have.

Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or bloody, call your doctor before using anti-diarrhea medicine.

What are the possible side effects of penicillin V potassium?

What are the possible side effects of penicillin V potassium?

Get emergency medical help if you have signs of an allergic reaction: hives; fever, chills, joint pain; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • severe stomach pain, diarrhea that is watery or bloody (even if it occurs months after your last dose);
  • easy bruising or bleeding;
  • pale or yellowed skin, dark colored urine;
  • numbness, tingling, or burning pain;
  • urination problems; or
  • fever, swollen glands, itching, joint pain, or not feeling well.

Common side effects may include:

  • nausea, vomiting, upset stomach;
  • diarrhea;
  • swollen, black, or "hairy" tongue;
  • rash; or
  • vaginal itching or discharge.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect penicillin V potassium?

What other drugs will affect penicillin V potassium?

Penicillin V potassium can make birth control pills less effective. Ask your doctor about using a non-hormonal birth control (condom, diaphragm with spermicide) to prevent pregnancy.

Other drugs may affect penicillin V potassium, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

Where can I get more information?

Where can I get more information?

Your doctor or pharmacist can provide more information about penicillin V potassium.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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