Keflex Side Effects

Side effects and experiences with Keflex by users like you. Post Yours Now.
  1. link Tarzansd
    Keflex anxiety dreams, laceration, half days, adverse reactions, hallucinations
    I've been taking 500mg of Keflex 4x a day for the last two and a half days for a laceration on my heel. For the last two days I have been extremely anxious, light headed, and foggy. I constantly feel like vomiting but have not. Very little appetite. - 51% more...
    Tarzansd- over a year ago - 1 Reply - in Keflex
  2. link Anniefongem
    I took 2 pills a month ago for a UTI... felt really weird the next day, almost like I was out of it and dizzy...next day had a panic attack...not sure if that added to it. Well had some pills left and thought I had another UTI, so I thought well I wi - 36% more...
    Anniefongem- over a year ago
  3. link Anniefongem
    reaction to Keflex mabye????
    I took Keflex twice(2 pills) and than had a panic attack a day later... I felt really weird after I took it, dizzy anxious. Well just took a few more the other day and felt really weird again...not taking them anymore as I think they cause me to have - 4% more...
    Anniefongem- over a year ago - in Keflex
  4. link Smacky
    Depression & Panic
    Did anybody experience depression and/or anxiety and/or panic on Keflex, and how long after you quit taking it did it last? Thanks!
    Smacky- over a year ago - 4 Replies - in Keflex
  5. link Ashrencan
    What r u talking about?
    Ashrencan- over a year ago
  6. link Ashrencan
    I am experiencing it right now!! Its horrible and its the first day taking it! Sharp pains everywhere : ovarys, chest and pelvic area.. extreme depression and anxiety attacks!and for no reason! I am taking the 500 mg capsules for bladder infection an - 4% more...
    Ashrencan- over a year ago
  7. link Ashrencan
    I am experiencing it right now!! Its horrible and its the first day taking it! Sharp pains everywhere : ovarys, chest and pelvic area.. extreme depression and anxiety attacks!and for no reason! I am taking the 500 mg capsules for bladder infection an - 4% more...
    Ashrencan- over a year ago
  8. link Ashrencan
    horrible depression& anxiety / sharp pains in ovary pelvis and chest
    Omg i just looked up the side effects for this POS medicine and found this.. I'm going through the same thing right now.. the anxiety attacks are so bad because I already have a history of depression! This is like my first day taking it too. And they - 43% more...
    Ashrencan- over a year ago - in Keflex
  9. link Nemo1967@aol
    cephalexin 500
    this pill big:? gross.....need glass water and other water for powder liquid..i can't swollowing down my throat :(((((((( i had ear inction on left side....
    Nemo1967@aol- over a year ago - in Keflex
  10. link Latido.eterno
    cephalexin for skin rash/infection. dizziness, nausea, vomiting
    i got a skin rash by my forehead (above my eye and to the side by the temple). my skin got scraped from a car accident, its almost done healing, but it got a little rash and infection from the sweat and the heat and me scratching it. the doctor didn' - 79% more...
    Latido.eterno- over a year ago - in Keflex
  11. link Nomore_keflex
    Cure is worse than the problem
    I had an infected tear duct in one eye. My doctor first prescribed Bactrim but that tore my stomach up so he gave me Keflex 500mg to be taken three times a day. HORRIBLE. Nausea, vomiting and chills. I stayed in bed the entire day. Took this about 3 - 32% more...
    Nomore_keflex- over a year ago - 1 Reply - in Keflex
  12. link Nomore_keflex
    "Hello, Nomore_keflex: We've recieved a request to remove a post or comment(s) belonging to the user: nomore_keflex for the post titled 'Cure Is Worse Than the Problem' at Medications.com." If people don't like what I post about my experien - 44% more...
    Nomore_keflex- over a year ago
  13. link Mgrimbly
    Pre-surgery abtibiotic
    Today, at my pre-op appointment I was prescribed 500 mg 3X/daily. After reading these comments, I'm not sure I want to take these. I will be rotator cuff repair one week from today. M.
    Mgrimbly- over a year ago - 1 Reply - in Keflex
  14. link Nomore_keflex
    I had an infected tear duct in one eye. My doctor first prescribed Bactrim but that tore my stomach up so he gave me Keflex 500mg to be taken three times a day. HORRIBLE. Nausea, vomiting and chills. I stayed in bed the entire day. Took this about 3 - 32% more...
    Nomore_keflex- over a year ago
  15. link Dreamer91
    soooo much pain
    i got diagnosed with a bladder infection yesterday. i took the medicine with a pain killer (tramadol). i couldn't sleep last night, i was sooooo sweaty. at one time i felt high. at 4 am a friend had to half carry me to my bathroom bc i couldn't suppo - 46% more...
    Dreamer91- over a year ago - in Keflex
  16. link Ashe
    Keflex Bad
    I was given Keflex for Bronchitis. Took 500Mg 3x a day. The skin on my lips began to peel, burn an feel ruff along the edges and in the mornings my lips were swollen. A rash, ruff feeling and red on my neck, itches comes and goes. Couldn't sleep and - 47% more...
    Ashe- over a year ago - in Keflex
  17. link Jroz
    Keflex advice nurse, anxious feeling, keflex, benadryl, pile of books
    I have been taking Keflex for just 3 days now and have noticed extreme anxiety. Has anyone noticed this kind of reaction? I remember when I had my wisdom teeth out several months ago I also was put on 500 mg every 6 hours and recall having the same r - 49% more...
    Jroz- over a year ago - 5 Replies - in Keflex
  18. link Readerz
    sounds like you may be alergic.
    Readerz- over a year ago
  19. link Tujungaandy
    Keflex kelfex, headach, headaches, headache
    I have been taking the generic for Kelfex for 5 days and i only have one side effect so fan and it is a splitting and pounding headache when I am stimulated sexually -physically...I have to stop immediately because the headache seems to last forever! - 35% more...
    Tujungaandy- over a year ago - in Keflex
  20. link Lashondarenee00
    Keflex metallic taste in my mouth, cephalexin 500mg, cephalexin, left leg, armpit
    I was prescribed with Keflex (cephalexin) 500mg about a week ago for a boil abscess I had under my right armpit. My dose was 2x a day for 10 days. I've tried to take the drug in separate intervals. Ex. I took one pill every 12 to 24 hours before I to - 73% more...
    Lashondarenee00- over a year ago - 3 Replies - in Keflex
  21. link Betterhealth
    I tried generic cephalexin. It worked perfectly fine with me. I did not have any side effects. May be you would have taken medications that will interact with cephalexin. Find more info on the drug interactions at http://www.internationaldrugmart.com - 7% more...
    Betterhealth- over a year ago
  22. link Roya1987
    This is so strange, I have the exact same side effects and symptoms as you! I have a large painful lump in my right armpit as well, and it's been there for over a week. I've been taking the pills 4 times a day for four days now, and I have not notice - 69% more...
    Roya1987- over a year ago
  23. link Mayra78
    I continue taking the medication and the side effects still are present. I am now on my third day. I get extremely naseous an hour before I am due for my next pill and at least an hour or two afterwards. What seems to help me the most is to always ha - 52% more...
    Mayra78- over a year ago
  24. link Ramona3840
    possible side effect
    I HAVE BEEN TAKING KEFLEX FOR THE PAST 4-DAYS, ON THE THIRD DAY I STARTED HAVING DIARRHEA. I HAVE TAKEN THIS MEDICATION BEFORE, MANY TIMES. I HAVE FELT BLOATED, STOMACH CHURNING, NO CRAMPING JUST DIARRHEA. COULD THIS ANTIBIOTIC BE CAUSING THESE SYMPT - 10% more...
    Ramona3840- over a year ago - 2 Replies - in Keflex
  25. link Mayra78
    Most definitely.
    Mayra78- over a year ago
  26. link Evakeister
    how far apart is 3 times a day
    When taking Keflex how far apart do you take the medication? Is it figured on 24 hours or 12 hours, ie: 3 times a day @ 12 hours: 8:00-1:00-6:00 PM ?
    Evakeister- over a year ago - 3 Replies - in Keflex
  27. link Mayra78
    I have to take my 4 days a day but since I am sleeping half of the day, I take it every 5 hours.
    Mayra78- over a year ago
  28. link Bonsai2008
    keflex 500mg
    can this drug be used for sinus infections
    Bonsai2008- over a year ago - 1 Reply - in Keflex
  29. link Mayra78
    I don't think it would help. You may need something like cipro.
    Mayra78- over a year ago
  30. link Stardaze77
    Keflex dizzy spells, couple days, antibiotic, stomach, sleep
    i was prescribed keflex 500mg to take 4 times a day yesterday in the er for a infection in my tooth which is being removed in 2weeks. after picking them up today, i've took 2 doses so far. Im happy my tooth for the first time in 3months is not throbb - 65% more...
    Stardaze77- over a year ago - 1 Reply - in Keflex
  31. link Mayra78
    I am also with you on not taking the medication anymore but i also want to get rid of my boil. I am on my second day and wish I was almost done already. Wish us both luck.
    Mayra78- over a year ago
  32. link Vleyva
    Keflex bactrim, nausea
    I have been on Keflex since Tuesday 500mg 2 capsules a day as well as Bactrim 2 capsules a day, and OMG i have been so sick, weak, eyes hurt , vomiting, nausea etc....I have missed two day of work because of the site effects and not the Cellulites la - 18% more...
    Vleyva- over a year ago - in Keflex
  33. link Rjmarsh19
    Keflex painful rash, skin peeling, cotten, blisters, index finger
    I cut the tip of my right index finger off while slicing vegetables. The doctor prescribed Keflex 500mg. I took it 4 times a day. I stopped at the 4th day because I had confusion, headaches, and a red rash on my hands and wrists with little blisters. - 73% more...
    Rjmarsh19- over a year ago - in Keflex