Penicillin VK (Penicillin V Potassium) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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May 26, 2012

Penicillin VK

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Penicillin VK

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PENICILLIN V POTASSIUM
(penicillin v potassium) Tablet

PENICILLIN V POTASSIUM
(penicillin v potassium) Powder for Solution

To reduce the development of drug-resistant bacteria and maintain the effectiveness of penicillin V potassium tablets, penicillin V potassium (penicillin v potassium) for oral solution, and other antibacterial drugs, penicillin V potassium tablets and penicillin V potassium (penicillin v potassium) for oral solution should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.

DRUG DESCRIPTION

Penicillin V is the phenoxymethyl analog of penicillin G.

Penicillin V potassium (penicillin v potassium) is the potassium salt of penicillin V.

Each penicillin V potassium tablet, USP contains penicillin V potassium (penicillin v potassium) equivalent to 250 mg (400,000 units) or 500 mg (800,000 units) penicillin V. The inactive ingredients present are dibasic calcium phosphate, magnesium stearate, microcrystalline cellulose, and sodium citrate.

Each penicillin V potassium (penicillin v potassium) Tablets, USP, 250 mg contains 0.71 mEq (27.9 mg) of potassium and each penicillin V potassium (penicillin v potassium) tablet, USP, 500 mg contains 1.43 mEq (55.8 mg) of potassium

Penicillin V potassium (penicillin v potassium) for oral solution, USP is an off-white to pinkish colored powder, which when reconstituted as directed, yields a red colored solution with cherry flavor in which each 5 mL contains penicillin V potassium (penicillin v potassium) equivalent to 125 mg (200,000 units) or 250 mg (400,000 units) penicillin V. The inactive ingredients present are cherry flavor, FD&C Red #40, saccharin sodium, sodium benzoate, and sugar.

Each 5 mL of reconstituted penicillin V potassium (penicillin v potassium) for oral solution, USP, 125 mg (200,000 units) per 5 mL contains 0.36 mEq (13.9 mg) of potassium. Each 5 mL of reconstituted penicillin V potassium (penicillin v potassium ) for oral solution, USP, 250 mg (400,000 units) per 5 mL contains 0.71 mEq (27.9 mg) of potassium.

PENICILLIN V POTASSIUM - penicillin v potassium tablet Structural Formula Illustration

Monopotassium (2S,5R,6R)-3,3-dimethyl-7-oxo-6-(2-phenoxyacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate.

What are the possible side effects of penicillin V (PC Pen VK, Pen-V)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

diarrhea that is watery or bloody;
fever, chills, body aches, flu symptoms;
easy bruising or bleeding, unusual weakness;
urinating less than usual or not at all;
severe skin rash, itching, or peeling;
agitation, confusion, unusual...

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What are the precautions when taking penicillin v potassium (Penicillin VK)?

Before taking penicillin, tell your doctor or pharmacist if you are allergic to it; or to other antibiotics including penicillin-type medications (such as amoxicillin, ampicillin) or cephalosporins (such as cephalexin, cefuroxime); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney problems.

Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, older adults may be more sensitive to this drug.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and...

Read All Potential Precautions of Penicillin VK »

Last reviewed on RxList: 12/28/2010
This monograph has been modified to include the generic and brand name in many instances.