What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include nausea, vomiting, diarrhea, and stomach discomfort.
What should I avoid while taking azithromycin?
Do not take antacids that contain aluminum or magnesium within 2 hours before or after you take azithromycin. This includes Acid Gone, Aldroxicon, Alternagel, Di-Gel, Gaviscon, Gelusil, Genaton, Maalox, Maldroxal, Milk of Magnesia, Mintox, Mylagen, Mylanta, Pepcid Complete, Rolaids, Rulox, and others. These antacids can make azithromycin less effective when taken at the same time.
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or bloody, stop taking azithromycin and call your doctor. Do not use anti-diarrhea medicine unless your doctor tells you to.
Avoid exposure to sunlight or tanning beds. Azithromycin can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
What other drugs will affect azithromycin?
Many drugs can interact with azithromycin. Below is just a partial list. Tell your doctor if you are using:
- arsenic trioxide (Trisenox);
- cyclosporine (Neoral, Sandimmune);
- pimozide (Orap);
- tacrolimus (Prograf);
- theophylline (Theo-Dur, Theolair, Theochron);
- warfarin (Coumadin, Jantoven);
- another antibiotic, especially clarithromycin (Biaxin), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole), levofloxacin (Levaquin), moxifloxacin (Avelox), or pentamidine (NebuPent, Pentam);
- an antidepressant such as amitriptylline (Elavil, Vanatrip, Limbitrol), clomipramine (Anafranil), or desipramine (Norpramin);
- anti-malaria medications such as chloroquine (Aralen) or mefloquine (Lariam);
- cholesterol-lowering medicines such as lovastatin (Mevacor), atorvastatin (Lipitor), or simvastatin (Zocor);
- ergot medicine such as methysergide (Sansert), ergotamine (Ergostat, Medihaler, Cafergot, Ercaf, Wigraine), dihydroergotamine mesylate (D.H.E., Migranal Nasal Spray);
- heart or blood pressure medication such as digoxin (Lanoxin, Lanoxicaps), diltiazem (Cartia, Cardizem), felodipine (Plendil), nifedipine (Nifedical, Procardia), verapamil (Calan, Covera, Isoptin, Verelan), and others;
- heart rhythm medicine such as amiodarone (Cordarone, Pacerone), dofetilide (Tikosyn), disopyramide (Norpace), dronedarone (Multaq), ibutilide (Corvert), procainamide (Procan, Pronestyl), propafenone (Rythmol), quinidine (Quin-G), or sotalol (Betapace);
- HIV medicines such as nelfinavir (Viracept), ritonavir (Norvir), saquinavir (Invirase);
- medicine to prevent or treat nausea and vomiting such as dolasetron (Anzemet), droperidol (Inapsine), or ondansetron (Zofran);
- medicines to treat psychiatric disorders, such as chlorpromazine (Thorazine), clozapine (FazaClo, Clozaril), haloperidol (Haldol), pimozide (Orap), thioridazine (Mellaril), or ziprasidone (Geodon);
- migraine headache medicine such as sumatriptan (Imitrex, Treximet) or zolmitriptan (Zomig);
- narcotic medication such as methadone (Methadose, Diskets, Dolophine);
- a sedative or tranquilizer, such as alprazolam (Xanax), diazepam (Valium), midazolam (Versed), or triazolam (Halcion); or
- seizure medicine such as carbamazepine (Carbatrol, Tegretol) or phenytoin (Dilantin).
This list is not complete and there are many other drugs that can interact with azithromycin. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.
Where can I get more information?
Your pharmacist can provide more information about azithromycin.
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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