Nalidixic Acid (Systemic)

Brand Names : NegGram

Precautions While Using This Medicine

If you will be taking this medicine for more than 2 weeks, your doctor should check your progress at regular visits.

If your symptoms do not improve within 2 days, or if they become worse, check with your doctor.

If you are taking aluminum-, calcium-, or magnesium-containing antacids, iron supplements, zinc-containing multivitamins, or sucralfate, do not take them at the same time that you take this medicine. It is best to take these medicines at least 2 hours before or 2 hours after taking nalidixic acid.

This medicine may cause blurred vision or other vision problems. It may also cause some people to become dizzy, drowsy, or less alert than they are normally. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert or able to see well . If these reactions are especially bothersome, check with your doctor.

This medicine may increase the central nervous system (CNS) stimulant effects of caffeine-containing foods or beverages such as chocolate, cocoa, tea, coffee, and cola drinks. Avoid eating or drinking large amounts of these foods or beverages while using this medicine. If you have questions about this, check with your doctor.

Nalidixic acid may cause your skin to be more sensitive to sunlight than it is normally. Exposure to sunlight, even for brief periods of time, may cause a skin rash, itching, redness or other discoloration of the skin, or a severe sunburn. When you begin taking this medicine:

• Stay out of direct sunlight, especially between the hours of 10:00 a.m. and 3:00 p.m., if possible.
• Wear protective clothing, including a hat. Also, wear sunglasses.
• Apply a sun block product that has a skin protection factor (SPF) of at least 15. Some patients may require a product with a higher SPF number, especially if they have a fair complexion. If you have any questions about this, check with your health care professional.
• Apply a sun block lipstick that has an SPF of at least 15 to protect your lips.
• Do not use a sunlamp or tanning bed or booth.

If you have a severe reaction from the sun, check with your doctor .

For patients with diabetes:

• This medicine may cause false test results with some urine glucose (sugar) tests . Check with your doctor before changing your diet or the dosage of your diabetes medicine.