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What happens if I miss a dose (Dyrenium)?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.

What happens if I overdose (Dyrenium)?

Seek emergency medical attention if you think you have used too much of this medicine. Symptoms of a triamterene overdose may include increased urination, nausea, vomiting, weakness, fever, warmth or flushing in your face, or muscle spasms.

What should I avoid while taking triamterene (Dyrenium)?

Avoid drinking alcohol, which can increase some of the side effects of triamterene.

Avoid using other medicines that make you light-headed (such as cold medicine, pain medication, muscle relaxers, and medicine for seizures, depression or anxiety). They can add to the side effects of triamterene.

Do not use salt substitutes or low-sodium milk products that contain potassium. These products could cause your potassium levels to get too high while you are taking triamterene.

Avoid a diet high in salt. Too much salt will cause your body to retain water and can make this medication less effective.

This medication can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Follow your doctor's instructions about the type and amount of liquids you should drink. In some cases, drinking too much liquid can be as unsafe as not drinking enough.

What other drugs will affect triamterene (Dyrenium)?

Before taking this medication, tell your doctor if you are using any of the following drugs:

• lithium;
• insulin or diabetes medicine taken by mouth;
• an ACE inhibitor such as benazepril (Lotensin), captopril (Capoten), enalapril (Vasotec), lisinopril (Prinivil, Zestril), ramipril (Altace), and others; or
• indomethacin or other NSAIDs (non-steroidal anti-inflammatory drugs) such as aspirin, ibuprofen (Motrin, Advil), diclofenac (Voltaren), naproxen (Aleve, Naprosyn), piroxicam (Feldene), nabumetone (Relafen), etodolac (Lodine), and others.

If you are using any of these drugs, you may not be able to use triamterene, or you may need dosage adjustments or special tests during treatment.

There may be other drugs not listed that can affect triamterene. 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 pharmacist has additional information about triamterene 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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