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A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.

Leprostatic agents inhibit the growth of Mycobacterium leprae, the bacterium that causes leprosy. Different leprostatic agents work differently either by actively killing the growing mycobacteria or by inhibiting bacterial growth. Generally two to three drugs are used together in treatment to avoid emergence of resistant strains of the organism.

See also

Medical conditions associated with leprostatics:

  • Bullous Pemphigoid
  • Dermatitis Herpetiformis
  • Leprosy
  • Leprosy, Dapsone-Resistant
  • Leprosy, Dapsone-Sensitive
  • Leprosy, Erythema Nodosum Leprosum
  • Leprosy, Lepromatous
  • Leprosy, Tuberculoid
  • Leukocytoclastic Vasculitis
  • Multiple Myeloma
  • Pemphigoid
  • Pemphigus
  • Pneumocystis Pneumonia
  • Pneumocystis Pneumonia Prophylaxis
  • Toxoplasmosis, Prophylaxis

A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.

Loop diuretics inhibit the Na+/K+/2Cl- co-transporter in the thick ascending loop of Henle, in the kidneys and stop the transport of sodium chloride out of the tubule into the interstitial tissue, causing a decrease in sodium and chloride re-absorption. They act on the chloride-binding site and have a direct inhibiting effect on the carrier.

Inhibition of this transporter leads to a significant increase in concentration of ions in the tubule and reduced hypertonicity in the surrounding interstitium, causing less water to be reabsorbed into the blood. This causes more urine to be produced and a decrease in blood volume.

See also

Medical conditions associated with loop diuretics:

  • Ascites
  • Edema
  • Heart Failure
  • High Blood Pressure
  • Hypercalcemia
  • Nonobstructive Oliguria
  • Oliguria
  • Pulmonary Edema
  • Renal Failure
  • Renal Transplant

A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.

See also

Medical conditions associated with lymphatic staining agents:

  • Diagnosis and Investigation

A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.

Lysosomal enzymes are synthetic forms of these enzymes, which occur naturally in the body cells, and that are necessary for metabolic processes. Naturally occurring lysosomal enzymes breakdown large molecules and other materials that get taken up by the cell. Deficiency of these enzymes causes storage disease that can affect growth and development failure.

Lysosomal enzymes are used to treat conditions where the body lacks these particular enzymes.

See also

Medical conditions associated with lysosomal enzymes:

  • Fabry Disease
  • Gaucher Disease
  • Mucopolysaccharidosis Type I
  • Mucopolysaccharidosis Type II
  • Mucopolysaccharidosis Type VI
  • Pompe disease
  • Thrombocytopenia

A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.

Leukotriene modifiers prevent the action of leukotrienes in the body. Leukotrienes are released from mast cells, basophils and eosinophils. The release of leukotrienes causes airway constriction, increased mucus production, swelling and inflammation in the lungs. This presents as wheezing, shortness of breath in asthma.

Leukotriene modifiers include two types of agents:

Leukotriene-receptor antagonists prevent leukotrienes from binding to its receptors

Leukotriene synthesis inhibitors prevent synthesis of leukotrienes by blocking the enzyme, 5-lipoxygenase, which is necessary for the formation of leukotrienes.

Leukotriene modifiers are used to treat and prevent chronic asthma and allergic rhinitis. Generally they are used in combination with inhaled corticosteroids for best results.

See also

Medical conditions associated with leukotriene modifiers:

  • Asthma
  • Asthma, Maintenance
  • Bronchospasm Prophylaxis
  • COPD
  • Hay Fever

A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.

Lincomycin derivatives are a small group of antibiotics that inhibit synthesis of bacterial proteins, essential for bacteria to survive. Lincomycin derivatives are reserved for treatment of infections due to susceptible strains of pneumococci, staphylococci and streptococci. One derivative is also indicated for treatment of Plasmodium falciparum (malaria).

See also

Medical conditions associated with lincomycin derivatives:

  • Aspiration Pneumonia
  • Babesiosis
  • Bacteremia
  • Bacterial Endocarditis Prevention
  • Bacterial Infection
  • Bacterial Vaginitis
  • Bone infection
  • Conjunctivitis, Bacterial
  • Deep Neck Infection
  • Diverticulitis
  • Intraabdominal Infection
  • Joint Infection
  • Malaria
  • Pelvic Inflammatory Disease
  • Peritonitis
  • Pneumocystis Pneumonia
  • Pneumonia
  • Prevention of Perinatal Group B Streptococcal Disease
  • Sinusitis
  • Skin Infection
  • Surgical Prophylaxis
  • Toxoplasmosis
  • Toxoplasmosis, Prophylaxis

A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.

Laxatives are drugs used to increase or stimulate the frequency of bowel evacuation (also called cathartic or purgative) or to encourage the passage of a bulkier or softer stool. Laxatives are used to relieve constipation. The common laxatives are the stimulants, stool softeners, bulking agents, lubricants and hyperosmotic agents.

See also

Medical conditions associated with laxatives:

  • Acne
  • Bowel Preparation
  • Constipation
  • Constipation, Acute
  • Constipation, Chronic
  • Cough
  • Dietary Fiber Supplementation
  • Gastrointestinal Decontamination
  • GERD
  • Hemorrhoids
  • Hepatic Encephalopathy
  • Hypomagnesemia
  • Indigestion
  • Irritable Bowel Syndrome
  • Seizure Prevention
  • Ventricular Arrhythmia

A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.

Local injectable anesthetics numb the surrounding area (where it is injected) by blocking pain signals from being sent to the brain. Local anesthetics are used during dental procedures, during labor and for other minor operative procedures.

See also

Medical conditions associated with local injectable anesthetics:

  • Anesthesia
  • Arrhythmia
  • Burning Mouth Syndrome
  • Cesarean Section
  • Labor Pain
  • Local Anesthesia
  • Pain
  • Postoperative Pain
  • Ventricular Fibrillation
  • Ventricular Tachycardia

A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.

Lung surfactants are made from animal lung extract and contain phospholipids. Natural surfactant is produced by the alveolar cells in the lungs and line mainly the alveoli and small bronchioles, and prevents the alveoli from collapsing. Lung surfactant makes it easier for oxygen to penetrate the lung surface lining and move into the blood. Without the lung surfactant it would be extremely hard to breathe, and transfer of oxygen through the surface that lines the lungs would be very difficult.

Natural surfactant is produced by the fetus before they are born and their lungs are prepared to breathe properly by about 37 week gestation. In unexpected circumstances where labor starts early or a pre-term emergency caesarean is performed, lung surfactant is given intratracheally to the premature infant to prevent respiratory distress syndrome.

See also

Medical conditions associated with lung surfactants:

  • Respiratory Distress Syndrome