plasma concentrations of azithromycin decline in a polyphasic pattern, resulting in an average terminal half-life of 68 hours. normal dosage for zithromax z pack is two capsules the first day, then one capsule daily for the next four days drug zithromax. this includes rolaids, maalox, mylanta, milk of magnesia, pepcid complete, and others. these antacids can make zithromax z pack less effective when taken at the same time. in children, zithromax z pack can be used to treat acute otitis media (ear infections), community acquired pneumonia, and pharyngitis or tonsillitis caused by streptococcus pyogenes (strep throat) cost zithromax. patients with impaired liver function should use zithromax z pack only under the close watch of their physician as it is eliminated through the liver zithromax and pregnancy. rarer side effects include abnormal liver tests, allergic reactions, and nervousness. for acute bacterial sinusitis, azithromycin way be taken once daily for three days. zithromax z pack, one of the world’s best selling antibiotics, is released over a period of time, so it will continue to fight infection for days after the last pill is taken zithromax for sinusitis. inform your doctor if your condition persists or worsens. for most infections, azithromycin is taken once daily for a relatively short course of treatment (usually five days). stopping the medication too early may allow bacteria to continue to grow, which may result in a relapse of the infection. zithromax z pack suspension can be taken with food. symptoms of a serious allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. over the dose range of 250 to 1000 mg orally, the serum concentrations are related to dose. the fact that you can also take just a three or one day course of zithromax z pack makes it particularly popular with parents of children who don't like to take medicine. e. to use the oral suspension single dose packet: open the packet and pour the medicine into 2 ounces of water allergy zithromax. continue to take this medication until the full prescribed amount is finished even if symptoms disappear after a few days. azithromycin (brand names zithromax z pack® in italy; vinzam® / zitromax® in spain; zmax®; sumamed®; aztrin®, zitrocin®, azibiot®) is one of the world's best-selling antibiotics, and is derived from erythromycin; however, it differs chemically from erythromycin in that a methyl-substituted nitrogen atom is incorporated into the lactone ring, thus making the lactone ring 15-membered vs zithromax zmax. it is unusual in that it stays in the body for quite a while, allowing for once a day dosing and for shorter treatment courses for most infections. g. zithromax z pack will not treat a viral infection such as the common cold or flu. azithromycin therefore can be used in pregnancy if the physician feels that it is clearly necessary tablet zithromax. keep in mind that zithromax z pack is not usually considered to be a first line antibiotic though zithromax side affect. some patients have reported suffering from diarrhea, nausea, vomiting, and stomach pain. it is important to tell your doctor or pharmacist what medicines you are already taking, including those bought without a prescription and herbal medicines, before you start treatment with this medicine. appropriate antimicrobial therapy and follow-up tests for these diseases should be initiated if infection is confirmed ear infection zithromax. azithromycin should be taken at least one hour before or two hours after meals since it may bind to food and not be absorbed from the intestine. do not take zithromax z pack at the same time as taking an antacid that contains aluminum or magnesium. keep a list with you of all the medicines you use and show this list to any doctor or other healthcare provider who treats you. azithromycin is also available without a brand name, ie as the generic medicine. the prolonged half-life is likely due to extensive uptake and subsequent release of drug from tissues. your symptoms may get better before the infection is completely treated.