Penicillin V Potassium

Penicillin V Potassium

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Questions & Answers

Side Effects & Adverse Reactions


SERIOUS AND OCCASIONALLY FATAL HYPERSENSITIVITY (anaphylactic) REACTIONS HAVE BEEN REPORTED IN PATIENTS ON PENICILLIN THERAPY. THESE REACTIONS ARE MORE LIKELY TO OCCUR IN INDIVIDUALS WITH A HISTORY OF PENICILLIN HYPERSENSITIVITY AND/OR A HISTORY OF SENSITIVITY TO MULTIPLE ALLERGENS. THERE HAVE BEEN REPORTS OF INDIVIDUALS WITH A HISTORY OF PENICILLIN HYPERSENSITIVITY WHO HAVE EXPERIENCED SEVERE REACTIONS WHEN TREATED WITH CEPHALOSPORINS. BEFORE INITIATING THERAPY WITH PENICILLIN V POTASSIUM TABLETS, CAREFUL INQUIRY SHOULD BE MADE CONCERNING PREVIOUS HYPERSENSITIVITY REACTIONS TO PENICILLINS, CEPHALOSPORINS, OR OTHER ALLERGENS. IF AN ALLERGIC REACTION OCCURS, PENICILLIN V POTASSIUM TABLETS SHOULD BE DISCONTINUED AND APPROPRIATE THERAPY INSTITUTED. SERIOUS ANAPHYLACTIC REACTIONS REQUIRE IMMEDIATE EMERGENCY TREATMENT WITH EPINEPHRINE. OXYGEN, INTRAVENOUS STEROIDS, AND AIRWAY MANAGEMENT, INCLUDING INTUBATION, SHOULD ALSO BE ADMINISTERED AS INDICATED.

Clostridium difficile associated diarrhea (CDAD) has been reported with use of nearly all antibacterial agents, including penicillin V potassium tablets, and may range in severity from mild diarrhea to fatal colitis. Treatment with antibacterial agents alters the normal flora of the colon leading to overgrowth of C. difficile.

C. difficile produces toxins A and B which contribute to the development of CDAD. Hypertoxin producing strains of C. difficile cause increased morbidity and mortality, as these infections can be refractory to antimicrobial therapy and may require colectomy. CDAD must be considered in all patients who present with diarrhea following antibiotic use. Careful medical history is necessary since CDAD has been reported to occur over two months after the administration of antibacterial agents.
 
If CDAD is suspected or confirmed, ongoing antibiotic use not directed against C. difficile may need to be discontinued. Appropriate fluid and electrolyte management, protein supplementation, antibiotic treatment of C. difficile, and surgical evaluation should be instituted as clinically indicated.

Legal Issues

There is currently no legal information available for this drug.

FDA Safety Alerts

There are currently no FDA safety alerts available for this drug.

Manufacturer Warnings

There is currently no manufacturer warning information available for this drug.

FDA Labeling Changes

There are currently no FDA labeling changes available for this drug.

Uses


To reduce the development of drug-resistant bacteria and maintain the effectiveness of penicillin V potassium and other antibacterial drugs, penicillin V potassium should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.
 
Penicillin V potassium tablets are indicated in the treatment of mild to moderately severe infections due to penicillin G-sensitive microorganisms. Therapy should be guided by bacteriologic studies (including sensitivity tests) and by clinical response.
 
NOTE: Severe pneumonia, empyema, bacteremia, pericarditis, meningitis, and arthritis should not be treated with penicillin V during the acute stage. Indicated surgical procedures should be performed.
 
The following infections will usually respond to adequate dosage of penicillin V.
 
Streptococcal infections (without bacteremia). Mild-to-moderate infections of the upper respiratory tract, scarlet fever, and mild erysipelas.
 
NOTE: Streptococci in groups A, C, G, H, L, and M are very sensitive to penicillin. Other groups, including group D (enterococcus), are resistant.
 
Pneumococcal infections Mild to moderately severe infections of the respiratory tract.
 
Staphylococcal infections – penicillin G-sensitive. Mild infections of the skin and soft tissues.
 
NOTE: Reports indicate an increasing number of strains of staphylococci resistant to penicillin G, emphasizing the need for culture and sensitivity studies in treating suspected staphylococcal infections.
 
Fusospirochetosis (Vincent’s gingivitis and pharyngitis) – Mild to moderately severe infections of the oropharynx usually respond to therapy with oral penicillin.
 
NOTE: Necessary dental care should be accomplished in infections involving the gum tissue.
 
Medical conditions in which oral penicillin therapy is indicated as prophylaxis: For the prevention of recurrence following rheumatic fever and/or chorea: Prophylaxis with oral penicillin on a continuing basis has proven effective in preventing recurrence of these conditions.
 
Although no controlled clinical efficacy studies have been conducted, penicillin V has been suggested by the American Heart Association and the American Dental Association for use as an oral regimen for prophylaxis against bacterial endocarditis in patients who have congenital heart disease or rheumatic or other acquired valvular heart disease when they undergo dental procedures and surgical procedures of the upper respiratory tract1. Oral penicillin should not be used in those patients at particularly high risk for endocarditis (e.g., those with prosthetic heart valves or surgically constructed systemic pulmonary shunts). Penicillin V should not be used as adjunctive prophylaxis for genitourinary instrumentation or surgery, lower-intestinal tract surgery, sigmoidoscopy, and childbirth. Since it may happen that alpha hemolytic streptococci relatively resistant to penicillin may be found when patients are receiving continuous oral penicillin for secondary prevention of rheumatic fever, prophylactic agents other than penicillin may be chosen for these patients and prescribed in addition to their continuous rheumatic fever prophylactic regimen.
 
 NOTE: When selecting antibiotics for the prevention of bacterial endocarditis, the physician or dentist should read the full joint statement of the American Heart Association and the American Dental Association1.

History

There is currently no drug history available for this drug.

Other Information


Penicillin V is the phenoxymethyl analog of penicillin G. Penicillin V potassium is the potassium salt of penicillin V.

Chemical Structure


Penicillin V potassium tablets, for oral administration, contain 250 mg (400,000 units) or 500 mg (800,000 units) penicillin V potassium. In addition, each tablet contains the following inactive ingredients: povidone, microcrystalline cellulose, talc, colloidal silicon dioxide, magnesium stearate, hypromellose, polyethylene glycol, and titanium dioxide.

Penicillin V Potassium Manufacturers


  • Preferred Pharmaceuticals Inc.
    Penicillin V Potassium Tablet, Film Coated [Preferred Pharmaceuticals Inc.]
  • Golden State Medical Supply, Inc.
    Penicillin V Potassium Tablet [Golden State Medical Supply, Inc.]
  • Blenheim Pharmacal, Inc.
    Penicillin V Potassium Tablet [Blenheim Pharmacal, Inc.]
  • Blenheim Pharmacal, Inc.
    Penicillin V Potassium Tablet, Film Coated [Blenheim Pharmacal, Inc.]
  • Remedyrepack Inc.
    Penicillin V Potassium Tablet [Remedyrepack Inc. ]
  • Preferred Pharmaceuticals, Inc.
    Penicillin V Potassium Tablet, Film Coated [Preferred Pharmaceuticals, Inc.]
  • Proficient Rx Lp
    Penicillin V Potassium Tablet [Proficient Rx Lp]
  • Rebel Distributors Corp
    Penicillin V Potassium Powder, For Solution [Rebel Distributors Corp]
  • Rebel Distributors Corp
    Penicillin V Potassium Tablet [Rebel Distributors Corp]
  • Golden State Medical Supply, Inc.
    Penicillin V Potassium Tablet [Golden State Medical Supply, Inc.]
  • Physicians Total Care, Inc.
    Penicillin V Potassium Powder, For Solution [Physicians Total Care, Inc.]
  • Pd-rx Pharmaceuticals, Inc.
    Penicillin V Potassium Tablet [Pd-rx Pharmaceuticals, Inc.]
  • Pd-rx Pharmaceuticals, Inc.
    Penicillin V Potassium Tablet [Pd-rx Pharmaceuticals, Inc.]
  • Pd-rx Pharmaceuticals, Inc.
    Penicillin V Potassium (Penicillin V Potassium) Tablet [Pd-rx Pharmaceuticals, Inc.]
  • Preferred Pharmaceuticals, Inc
    Penicillin V Potassium Powder, For Solution [Preferred Pharmaceuticals, Inc]
  • A-s Medication Solutions Llc
    Penicillin V Potassium Powder, For Solution [A-s Medication Solutions Llc]
  • A-s Medication Solutions Llc
    Penicillin V Potassium Tablet, Film Coated [A-s Medication Solutions Llc]
  • A-s Medication Solutions Llc
    Penicillin V Potassium Tablet, Film Coated [A-s Medication Solutions Llc]
  • A-s Medication Solutions Llc
    Penicillin V Potassium Powder, For Solution [A-s Medication Solutions Llc]
  • Lake Erie Medical Dba Quality Care Products Llc
    Penicillin V Potassium Tablet, Film Coated [Lake Erie Medical Dba Quality Care Products Llc]
  • Pd-rx Pharmaceuticals, Inc.
    Penicillin V Potassium Tablet [Pd-rx Pharmaceuticals, Inc.]
  • Unit Dose Services
    Penicillin V Potassium Tablet [Unit Dose Services]
  • Liberty Pharmaceuticals, Inc.
    Penicillin V Potassium Tablet [Liberty Pharmaceuticals, Inc.]
  • Liberty Pharmaceuticals, Inc.
    Penicillin V Potassium Tablet [Liberty Pharmaceuticals, Inc.]
  • Aidarex Pharmaceuticals Llc
    Penicillin V Potassium Tablet [Aidarex Pharmaceuticals Llc]
  • West-ward Pharmaceutical Corp
    Penicillin V Potassium Tablet, Film Coated [West-ward Pharmaceutical Corp]
  • Liberty Pharmaceuticals, Inc.
    Penicillin V Potassium Tablet [Liberty Pharmaceuticals, Inc.]
  • Aurobindo Pharma Limited
    Penicillin V Potassium Tablet, Film Coated [Aurobindo Pharma Limited]
  • Teva Pharmaceuticals Usa Inc
    Penicillin V Potassium Tablet Penicillin V Potassium Powder, For Solution [Teva Pharmaceuticals Usa Inc]
  • Preferred Pharmaceuticals, Inc
    Penicillin V Potassium Tablet, Film Coated [Preferred Pharmaceuticals, Inc]
  • Greenstone Llc
    Penicillin V Potassium Tablet, Film Coated [Greenstone Llc]
  • Blenheim Pharmacal, Inc.
    Penicillin V Potassium Tablet [Blenheim Pharmacal, Inc.]
  • Northstar Rx Llc
    Penicillin V Potassium Tablet, Film Coated [Northstar Rx Llc]
  • Citron Pharma Llc
    Penicillin V Potassium Tablet, Film Coated [Citron Pharma Llc]
  • Dava Pharmaceuticals, Inc.
    Penicillin V Potassium Tablet Penicillin V Potassium For Solution [Dava Pharmaceuticals, Inc.]
  • Northwind Pharmaceuticals
    Penicillin V Potassium Tablet [Northwind Pharmaceuticals]
  • Lake Erie Medical Dba Quality Care Products Llc
    Penicillin V Potassium Tablet [Lake Erie Medical Dba Quality Care Products Llc]
  • Lake Erie Medical Dba Quality Care Products Llc
    Penicillin V Potassium Tablet [Lake Erie Medical Dba Quality Care Products Llc]
  • Proficient Rx Lp
    Penicillin V Potassium Powder, For Solution [Proficient Rx Lp]
  • Remedyrepack Inc.
    Penicillin V Potassium Tablet [Remedyrepack Inc. ]

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