Author: Donna Brettler

Nalidixic Acid (NegGram 500mg)

An almost white or pale yellow, crystalline powder. Practically insoluble in water; slightly soluble in alcohol and in acetone; soluble in dichloromethane. It dissolves in dilute solutions of alkali hydroxides. Store in airtight containers.

Pneumonia: Frequently Asked Questions

Pneumonia is usually triggered when a person’s immune system is weakened. Bacteria that invade your lungs are the most common cause of pneumonia, but the condition can also be the result of a viral or fungal infection.


A white or almost white powder. It shows polymorphism. Slightly soluble in water; freely soluble in dehydrated alcohol, in acetone, and in dichloromethane.


A white to pale yellow crystalline powder. Freely soluble in water. pH of a 10% solution in water is between 4.5 and 8.0. Store in airtight containers. As for Carbenicillin Sodium.

Meticillin Sodium

Meticillin sodium has been reported to be incompatible with aminoglycosides and a number of other antimicrobials. It has also been reported to be incompatible with acidic and alkaline drugs. As for Benzylpenicillin. Meticillin is the penicillin most commonly associated with acute interstitial nephritis.


Methenamine is used, usually as the hippurate or mandelate, in the prophylaxis and treatment of chronic or recurrent, uncomplicated, lower urinary-tract infections and asymptomatic bacteriuria. It has been considered suitable for long-term use because acquired resistance does not appear to develop.


Meropenem is a carbapenem beta-lactam antibacterial with actions and uses similar to those of imipenem. It is more stable to renal dehydropeptidase I than imipenem and need not be given with an enzyme inhibitor such as cilastatin.