Information on Tablets A-Z
Generic name: Dirithromycin
Why is this drug prescribed: Dynabac cures certain mild-to-moderate skin infections and respiratory infections such as strep throat, tonsillitis, pneumonia, and flare-ups of chronic bronchitis. Dynabac is part of the same family of drugs as the commonly prescribed antibiotic erythromycin.
Most important fact about this drug: Like all antibiotics, Dynabac should be taken until the entire prescription is finished, even if you begin to feel better after the first few days. If you stop taking this medicine too soon, the strongest germs may survive and cause a relapse.
How should you take this medication: Take Dynabac with food or within 1 hour after a meal. Swallow the tablet whole; do not crush, chew, or break it. --If you miss a dose... Take it as soon as you remember. If you don't remember until the next day, skip the forgotten dose and go back to your regular schedule. Never try to "catch up" by doubling the dose. --Storage instructions... Store Dynabac at room temperature.
What side effects may occur: Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Dynabac. More common side effects may include: Abdominal pain, diarrhea, headache, nausea, vomiting Less common side effects may include: Dizziness/vertigo, gas, hives, increased cough, insomnia, itching, pain, rash, shortness of breath, stomach and intestinal disturbances, weakness Rare side effects may include: Abnormal stools, allergic reaction, anxiety, constipation, coughing up blood, dehydration, depression, difficulty sleeping, difficulty swallowing, dry mouth, fainting, fever, fluid retention, flu-like symptoms, frequent urination, inflammation of the stomach and intestines, loss of appetite, mouth sores, muscle pain or weakness, neck pain, nervousness, nosebleeds, painful menstruation, "pins and needles", pounding heartbeat, rapid breathing, reduced vision or other eye problems, ringing in ears, sleepiness, sweating, swelling of hands and feet, taste alteration, thirst, tremor, vaginal fungus, vaginal inflammation, vague feeling of illness
Why should this drug not be prescribed: If you have ever had an allergic reaction to Dynabac or to similar antibiotics such as erythromycin (E.E.S., PCE, and others), do not take this medication.
Special warnings about this medication: Dynabac, like certain other antibiotics, may cause a potentially life-threatening form of diarrhea called pseudomembranous colitis. A mild case may clear up on its own when the drug is stopped. For a more severe case, your doctor may need to prescribe fluids, electrolytes, and another antibiotic. If you have liver disease, use Dynabac with caution and only if absolutely necessary.
Possible food and drug interactions when taking this medication: If Dynabac is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Dynabac with the following: Antacids (Maalox, Mylanta) Cimetidine (Tagamet) Famotidine (Pepcid) Nizatidine (Axid) Ranitidine (Zantac) Theophylline drugs such as Bronkodyl, Slo-Phyllin, Theo-Dur, and others The following medications can interact with the related drug erythromycin: Astemizole (Hismanal) Blood-thinning drugs such as Coumadin Bromocriptine (Parlodel) Carbamazepine (Tegretol) Cyclosporine (Sandimmune and Neoral) Digoxin (Lanoxin) Disopyramide (Norpace) Ergot-containing drugs such as Cafergot and D.H.E. Lovastatin (Mevacor) Phenytoin (Dilantin) Triazolam (Halcion) Valproate (Depakene, Depakote)
Special information if you are pregnant or breastfeeding: If you are pregnant or plan to become pregnant, tell your doctor immediately. You should take Dynabac during pregnancy only if it is clearly needed. It is not known whether Dynabac appears in breast milk. If this medication is essential to your health, your doctor may advise you to stop breastfeeding until your treatment is finished.
Recommended dosage: ADULTS AND CHILDREN 12 AND OVER: Bronchitis and Skin Infections The usual dose is 500 milligrams (2 tablets) once a day for 5 to 7 days. Pneumonia The usual dose is 500 milligrams (2 tablets) once a day for 14 days. Strep Throat and Tonsillitis The usual dose is 500 milligrams (2 tablets) once a day for 10 days. CHILDREN UNDER 12 YEARS OF AGE: The safety and effectiveness of Dynabac in children under the age of 12 have not been established.
Overdosage: Any medication taken in excess can have serious consequences. If you suspect an overdose, seek medical attention immediately. Symptoms of Dynabac overdose may include: Diarrhea, nausea, stomach problems, vomiting