Treating urinary tract infections caused by certain bacteria.

NegGram is an antibacterial. It works by killing sensitive bacteria in the urinary tract by stopping the production of essential proteins needed by the bacteria to survive.

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  • NegGram
  • More common
    Skin rash
    Less common
    Blurred or decreased vision
    change in color vision
    double vision
    halos around lights
    overbright appearance of lights
    Abdominal or stomach cramps or pain (severe)
    blistering, peeling, or loosening of the skin and mucous membranes
    bulging of fontanel (soft spot) on top of the head of an infant
    burning or tingling skin sensation
    changes in facial skin color
    convulsions (seizures)
    dark or amber urine
    diarrhea, watery and severe, which may also be bloody
    general feeling of discomfort or illness
    hallucinations (seeing, hearing, or feeling things that are not there)
    headache (severe)
    increased frequency of breathing
    joint pain, stiffness, or swelling
    mood or other mental changes
    nausea or vomiting
    pale skin
    pale stools
    red skin lesions, often with a purple center
    shortness of breath
    sore throat
    sudden trouble in swallowing or breathing
    swelling of the face, mouth, hands, or feet
    unusual bleeding or bruising
    unusual tiredness or weakness
    visual changes
    yellow eyes or skin
    Incidence not known
    Black, tarry stools
    bone pain
    burning, numbness, tingling, or painful sensations
    chest pain
    difficulty with swallowing
    large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
    lower back or side pain
    painful or difficult urination
    puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
    redness of the skin
    sores, ulcers, or white spots on the lips or in the mouth
    swollen glands
    tightness in the chest
    unsteadiness or awkwardness
    weakness in the arms, hands, legs, or feet
    If any of the following symptoms of overdose occur while taking nalidixic acid, get emergency help immediately:

    Symptoms of overdose
    Aggressive and violent behavior
    change in the ability to see colors, especially blue or yellow
    loss of appetite
    rapid, deep breathing
    trouble with sleeping
    unable to sleep
    unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
    Some nalidixic acid side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:

    More common
    feeling of constant movement of self or surroundings
    stomach pain
    Less common
    Increased sensitivity of the skin to sunlight
    Incidence not known
    Difficulty with moving
    muscle pain or stiffness
  • (nalidixic acid) tablet
  • Bacterial Infection

    Treating certain bacterial infections. It may be used in combination with other medicines to treat acne or certain amoeba infections. It may be used to prevent certain types of malaria in travelers who will be visiting malaria-infected areas for less than 4 months. It may also be used to prevent or slow the progression of anthrax after exposure. Doryx delayed-release capsules are a tetracycline antibiotic. It works by slowing the growth of bacteria. Slowing the bacteria's growth allows the body's immune system to destroy the bacteria.