"By Megan Brooks
Medscape Medical News
The US Food and Drug Administration (FDA) will require makers of prescription testosterone products to clarify the approved uses of these medications on the product label and add information"...
Rifadin Consumer (continued)
This drug should not be used with the following medications because very serious interactions may occur: live bacterial vaccines (e.g., oral typhoid), certain non-nucleoside reverse transcriptase inhibitors (nevirapine, delavirdine, etravirine), voriconazole, HIV protease inhibitors (e.g., saquinavir, ritonavir, indinavir).
If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting rifampin.
Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use.
This drug can speed up the removal of other drugs from your body by affecting certain liver enzymes. These affected drugs include (not a complete list): antiarrhythmics (e.g., disopyramide, mexiletine, quinidine), certain anti-cancer drugs (e.g., erlotinib, imatinib, irinotecan), anticoagulants (e.g., warfarin, dicumarol), certain anti-infectives (e.g., chloramphenicol, clarithromycin, dapsone, doxycycline, linezolid, telithromycin, zidovudine, quinolones such as ciprofloxacin), certain antimalarial drugs (e.g., atovaquone, quinine), anti-seizure drugs (e.g., phenytoin, phenobarbital, lamotrigine), aprepitant, azole antifungals (e.g., itraconazole, ketoconazole), benzodiazepines (e.g., diazepam, midazolam), certain drugs to lower blood pressure (e.g., enalapril, certain beta blockers such as metoprolol, calcium channel blockers such as verapamil), caspofungin, corticosteroids (e.g., prednisone), certain oral drugs for diabetes (e.g., repaglinide), digitoxin, certain hormone replacement drugs (e.g., estrogens such as conjugated estrogen, progestins such as medroxyprogesterone), certain drugs to suppress the immune system (e.g., cyclosporine, tacrolimus), certain drugs for mental/mood disorders (e.g., clozapine, haloperidol, tricyclic antidepressants such as amitriptyline), narcotic pain relievers (e.g., morphine, methadone), certain drugs for sleep (e.g., ramelteon, eszopiclone, zopiclone), certain statin drugs to lower cholesterol (e.g., atorvastatin, simvastatin), sulfasalazine, theophylline, thyroid medications (e.g., levothyroxine).
This medication may decrease the effectiveness of hormonal birth control such as pills, patch, or ring. This could cause pregnancy. Discuss with your doctor or pharmacist if you should use additional reliable birth control methods while using this medication. Also tell your doctor if you have any new spotting or breakthrough bleeding, because these may be signs that your birth control is not working well.
This medication may interfere with certain laboratory tests (urine screening for opiates, blood serum folate/vitamin B12), possibly causing false test results. Rifampin may also make it harder for your body to get rid of certain chemicals used in gallbladder tests. Make sure laboratory personnel and all your doctors know you use this drug.
This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
OVERDOSE: If overdose is suspected, contact a poison control center or emergency room immediately. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include swelling face/eyes, whole-body itching, orange/red discoloration of skin/eyes, nausea/vomiting, stomach/abdominal pain, increasing tiredness, fainting.
NOTES: Do not share this medication with others.
Laboratory and/or medical tests (e.g., LFTs, bilirubin, serum creatinine, complete blood count) may be done before starting this medication and during treatment to monitor your progress or check for side effects.
MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
If you are taking this drug on a longer schedule (e.g., twice weekly) and miss a dose, contact your doctor or pharmacist immediately to establish a new dosing schedule.
STORAGE: Store the capsules at room temperature at 77 degrees F (25 degrees C) away from light and moisture. Avoid high heat (above 104 degrees F or 40 degrees C). Do not store in the bathroom. The liquid form may be stored at room temperature or refrigerated at 36-46 degrees F (2-8 degrees C) for up to 4 weeks. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
Information last revised July 2014. Copyright(c) 2014 First Databank, Inc.
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