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What happens if I miss a dose (Iopamidol-370, Isovue-300, Isovue-370)?

Since iopamidol is used only during your radiologic test, you will not be on a dosing schedule.

What happens if I overdose (Iopamidol-370, Isovue-300, Isovue-370)?

Seek emergency medical attention if you think you have received too much of this medicine. Symptoms of an iopamidol overdose may include seizure (convulsions).

What should I avoid while receiving iopamidol (Iopamidol-370, Isovue-300, Isovue-370)?

Do not allow yourself to become dehydrated during the first few days after receiving iopamidol. Call your doctor if you have any vomiting or diarrhea during this time. Follow your doctor's instructions about the types and amount of fluids you should drink.

Avoid abrupt movement or physical straining during your test and for several hours afterward. Too much movement can cause iopamidol to mix with your spinal fluid and increase your risk of serious side effects.

What other drugs will affect iopamidol (Iopamidol-370, Isovue-300, Isovue-370)?

Do not use a phenothiazine medicine to treat nausea or vomiting for at least 48 hours after receiving iopamidol. Phenothiazines include chlopromazine (Thorazine), perphenazine (Trilafon), prochlorperazine (Compazine), promazine (Sparine), promethazine (Phenergan), thiethylperazine (Torecan), and triflupromazine (Stelazine).

Before receiving iopamidol, tell your doctor if you are using any of the following drugs:

• seizure medicines (Dilantin, Tegretol, and others);
• cold medicine, diet pills;
• a stimulant such as Ritalin, Adderall, Cafergot, Dexedrine;
• medicine to treat a mental illness such as schizophrenia;
• an MAO inhibitor such as isocarboxazid (Marplan), tranylcypromine (Parnate), phenelzine (Nardil), or selegiline (Eldepryl, Emsam); or
• antidepressants such as amitriptyline (Elavil), clomipramine (Anafranil), desipramine (Norpramin), imipramine (Tofranil), or nortriptyline (Pamelor).

If you are using any of these drugs, you may need to stop using them for a short time before receiving iopamidol.

There may be other drugs not listed that can affect iopamidol. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Where can I get more information?

Your doctor or pharmacist has more information about iopamidol written for health professionals that you may read.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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