The whole time I felt mildly dizzy, had very sharp pains in the stomach and severe vaginal itching, discharge and swelling. I will never take this again if I can help it.
Second day i felt nasues.
No side effects. By the third day on the medication I started feeling so much better.
After 2 days of taking it I've got nausea, felt dizzy, have stomach pain, loss of appettite, hypertension, hot and cold spells, difficult to sleep. I have 7 more days of treatment.
It worked great for me
After second day of taking, started having dizzy spells, passed out, felt sick constantly
After taking this a few days, I get extremely weak, tired and mentally confused; literally have trouble functioning. Plus my sickness I was taking it for is no better. I feel drunk.
After a few days on this medication i started having diarhea at least 3 times per day and I still have it even after taking immodium and BIO-K yogurt.
This medicine has given me diaharra, two days after I was on it. Its been over a week and I still have it, several times a day or more! Very bad case, the worst I ever had before. Also I had a few days of dry vaginal itching (which is all I ever get when on an antibiotic) So yeah by far the worst...won't take again!! Other than that I am free from infection.
Was really tired and had an upset stomach. When I napped I had terrible dreams and would sleep for 2 hours at a time during the day, just exhausted. I'd had the sinus infection for several weeks, before going on the Cefzil, without the exhaustion. I was on it a day before the tiredness started.
Related Reading: sinus infection | cefzil
I had a terrible reaction to this drug. I became short of breath, vomited continually & developed a skin rash. I had to go to the E.R. because of it.
Related Reading: rash
This medication caused an allergic reaction in my 16 year old son and it resulted in him getting hives. He was then given medicine to counteract the results of hives. He is now on a different antibiotic.
My 3 year old was put on it for ear infection.He wasn't able to explain how he felt, but we could tell he didn't feel well while on this antibiotic. He had diarrhea, a poor appetite, fever and on the 8th day woke up with a thick rash all over his body. After taking him to the ER we were told he had an allergic reaction to it.
Related Reading: ear infection | diarrhea | fever
After the second day of starting the treatment,I would wake up with vomiting and diarrhea every morning. Symptoms would lessen somewhat as the day progressed, but experience constant dizziness and lack of appetite. Also suffered insomnia. Had to stop taking it by day 5. Lost 10 lbs just from the nausea and loss of appetite in 3 days.
Terrible stomach ache, vomiting, severe dizziness and pin hole pupils. Must have an obvious allergic reaction to this medicine.
My daughter (12) was taking this for Impetigo. She broke out in severe hives ALL over her body (from head to toes). Severe itching, some nausea, and some trouble breathing. She is severely allergic! It was a few days later after taking it before the symptoms occurred.

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Medical Editor: John P. Cunha, DO, FACOEP
one week after starting have pain in pelvic and higher. Sharp pain. Discontinued medication at this time.