Tell your doctor immediately if any of these rare but very serious side effects occur: eye pain, severe/persistent headache, sudden vision changes, stiff/painful neck, sore throat, persistent fever, unusual bleeding/bruising, severe stomach pain, persistent nausea/ vomiting.
http://www.webmd.com/drugs/2/drug-7644/flagyl-oral/details
Symptoms of a serious allergic reaction may include: rash, itching /swelling (especially of the face/ tongue /throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
http://www.webmd.com/drugs/2/drug-7644/flagyl-oral/details
Dizziness, headache, diarrhea, nausea, stomach pain, loss of appetite, constipation, changes in taste, and dry mouth may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. This drug may cause urine to darken in color. This is harmless.
http://www.webmd.com/drugs/2/drug-7644/flagyl-oral/details
A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching /swelling (especially of the face/ tongue /throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects.
http://www.webmd.com/drugs/2/drug-7644/flagyl-oral/details
SIDE EFFECTS: Dizziness, headache, diarrhea, nausea, stomach pain, loss of appetite, constipation, changes in taste, and dry mouth may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. This drug may cause urine to darken in color.
http://www.rxlist.com/flagyl-side-effects-drug-center.htm
SIDE EFFECTS: Dizziness, headache, diarrhea, nausea, stomach pain, loss of appetite, constipation, changes in taste, and dry mouth may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. This drug may cause urine to darken in color. This is harmless.
http://www.rxlist.com/flagyl-side-effects-drug-center.htm
A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching /swelling (especially of the face/ tongue /throat), severe dizziness, trouble breathing.
http://www.webmd.com/drugs/2/drug-7644/flagyl-oral/details
Tell your doctor immediately if any of these rare but very serious side effects occur: eye pain, severe/persistent headache, sudden vision changes, stiff/painful neck, sore throat, persistent fever, unusual bleeding/bruising, severe stomach pain, persistent nausea/vomiting.
http://www.rxlist.com/flagyl-side-effects-drug-center.htm
In the event that any of these side effects do occur, they may require medical attention. You should check with your doctor immediately if any of these side effects occur when taking metronidazole: 1  Agitation. 2  back pain. 3  blindness. 4  blurred vision. 5  burning, numbness, tingling, or painful sensations in the hands or feet.
http://www.drugs.com/sfx/flagyl-side-effects.html
Less serious side effects may include: 1  stomach pain, diarrhea; 2  dizziness, loss of balance; 3  vaginal itching or discharge; 4  dry mouth or unpleasant metallic taste; 5  cough, sneezing, runny or stuffy nose; or. 6  swollen or sore tongue.
http://www.rxlist.com/flagyl-side-effects-drug-center.htm
side effects of flaygl antibiotics
Eye pain, persistent headache, sudden vision changes, stiff or painful neck, sore throat, persistent fever, unusual bleeding or bruising, severe stomach pain and, persistent nausea, vomiting are the side effects of flagyl antibiotics. The side effects of Flagyl antibiotics include eye pain, severe or persistent headache, sudden vision changes, stiff or painful neck, sore throat, persistent fever, unusual bleeding or bruising, severe stomach pain, persistent nausea or vomiting.