Drug Uses

Flagyl ER is an antibiotic. It fights bacteria in your body. Flagyl ER is used to treat bacterial infections of the vagina, stomach, skin, joints, and respiratory tract. This medication will not treat a vaginal yeast infection. Flagyl ER may also be used for purposes other than those listed in this medication guide.

How to use

Use Flagyl ER as directed by your doctor. Check the label on the medicine for exact dosing instructions.

Take Flagyl ER by mouth on an empty stomach at least 1 hour before or 2 hours after eating.

Swallow Flagyl ER whole. Do not break, crush, or chew before swallowing.

To clear up your infection completely, take Flagyl ER for the full course of treatment. Keep taking it even if you feel better in a few days.

If you miss a dose of Flagyl ER, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use Flagyl ER.

Drug Class and Mechanism

Flagyl ER is an oral antiprotozoal and antibacterial. It is thought to work by entering the bacterial cell, acting on some components of the cell and destroying the bacteria.

Missed Dose

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 your next regularly scheduled time. Do not take extra medicine to make up the missed dose.

Storage

Flagyl ER should be stored at room temperature and protected from light.

Safety Information

Possible Side Effects

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Appetite loss; constipation; diarrhea; dizziness; headache; metallic taste; nausea; stomach upset; vomiting.


Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bloody stools; increased or decreased urination; numbness, tingling, or burning of your arms, hands, legs, or feet; seizures; severe diarrhea; sore throat, chills, or fever; stomach pain or cramps; vaginal itching, odor, or discharge; white patches in the mouth.
More Information

If you have any questions about Casodex, please talk with your doctor, pharmacist, or other health care provider.

Casodex is to be used only by the patient for whom it is prescribed. Do not share it with other people.

If your symptoms do not improve or if they become worse, check with your doctor.

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