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Review: could Avelox cause Anaphylaxis?

We study 20,146 people who have side effects while taking Avelox from FDA and social media. Among them, 1,731 have Anaphylaxis. Find out below who they are, when they have Anaphylaxis and more.

Get connected: join a mobile support group for people who take Avelox and have Anaphylaxis >>>


Avelox (latest outcomes from 20,662 users) has active ingredients of moxifloxacin hydrochloride. It is often used in sinusitis.


Anaphylaxis (serious allergic reaction that is rapid in onset and may cause death) (latest reports from 109,224 patients) has been reported by people with multiple sclerosis, asthma, high blood pressure, premedication, pain.

On Sep, 13, 2014: 20,145 people reported to have side effects when taking Avelox. Among them, 1,731 people (8.59%) have Anaphylaxis.

Trend of Anaphylaxis in Avelox reports

Time on Avelox when people have Anaphylaxis * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ years

Gender of people who have Anaphylaxis when taking Avelox * :


Age of people who have Anaphylaxis when taking Avelox * :


Severity of Anaphylaxis when taking Avelox ** :

leastmoderateseveremost severe

How people recovered from Anaphylaxis ** :


Top conditions involved for these people * :

  1. Sinusitis (267 people, 15.42%)
  2. Bronchitis (149 people, 8.61%)
  3. Upper respiratory tract infection (101 people, 5.83%)
  4. Pneumonia (60 people, 3.47%)
  5. Respiratory tract infection (56 people, 3.24%)

Top co-used drugs for these people * :

  1. Aspirin (69 people, 3.99%)
  2. Singulair (66 people, 3.81%)
  3. Albuterol (56 people, 3.24%)
  4. Synthroid (43 people, 2.48%)
  5. Nasonex (41 people, 2.37%)

* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

Do you have Anaphylaxis while taking Avelox?

Get connected! Join a mobile support group:
- group for people who take Avelox and have Anaphylaxis
- group for people who take Avelox
- group for people who have Anaphylaxis

Comments from related studies:

  • From this study (2 years ago):

  • O.K so I've taken Avelox I before,Today I was given 1 dose of Avelox and within 1/2hr I went into an Anaphylaxis Shock. It was a horrible feeling I thought i was going to die.Symptoms were severe decrease of Blood Pressure,Tachycardia,Numbness of throat and mouth,stomachache,vomiting and severe sweats. Couldn't believe this could happen to me being that i've taken Avelox before for severe Sinusitis.


  • From this study (4 years ago):

  • Ambulance given oxygen. gurney to bed.EMT left. Suddenly ER formed a defensive drill/plan against me?. IV BAG never connected.Outside non ER DR called in. ER.Saw him twice 2008. Then 2009/ER. I was isolated.refuse my urine.Dr not want drug identified.I was ER in 2008. ER ignored reaction to antibiotic.and no urine.2009 IV bag never in my arm.Do not treat her for shock or anything. Nurse, "are you angry." I said, No, why? She left. Gave me pause 7000 bill. I'm docile condition/ hearing and seeing good. drink, towels or soap. The Male guard followed me to bathroom. please stay outside bathroom. Lockdown. new guards against my door inside? This doctor had something to prove into my room next day hand me drug to lose lucidness.Why? He said, you didn't have shock, you liar and he kept poking me pushed me down on the bed. I got up and said. What are you doing in my hospital room. You're not my doctor. Why are you here.He said to me causing me to almost go into another kind of shock, He said, See that building over there. He said, I am going to have you committed for the rest of your life. Why? He must be can a stranger to me acquire that much hate for a little woman. I'm basicallly a very strong woman of character but this was a maniac. He said psychiatrist be in an hour. he will put you away...What I know now he insinuated himself in my ER He Shouted at the guard. Get out, he shouted..Stayed awake all night..He left. The psychiatrist came in.My son was with me as soon as that other doctor left. He walked in.The new doctor spoke to me a few niutes and said he didn't think there was any problem with me or a need for him. New Dr. said, get the records and see what they say about you. He left. I was released promptly.De Monterio got very angry later forged the psche's name and sent out alert to all hospitals. Do not treat. Same on private physicians data base. I can't get any help in Northen Cal maybe entire state.


Can you answer these questions (what is this?):

  • Seizure after an epipen injection
    I am allergic to EVERYTHING, so I usually pre-game with benadryl and wait out the uncomfortable side effects, but this time my tongue started swelling up and I was having trouble breathing so I went to an ER. About 5-7 minutes after they injected me in the thigh with an epipen, I was in mid sentence ...

  • Can thyroid problems bring on anaphylaxis often?
    70 yr old previously stong female: Suspicious of thyroid history. Fatigue, skin, hair changes, slightly swollen, tender tongue at all times. In the last 6 months I've developed food related anaphalaxis. Getting serious, 3 E.R. runs in last 3 months....packing 2 epipens at all tim ...

  • Why does vigamox cause a dilated pupil
    Ever since I started to take Vigamox 4x/day,my pupil started to stay dilated and not react or react very slowly

More questions for: Avelox, Anaphylaxis

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    Within the first week of usage, I began to have leg cramps, facial swelling, tightness of breath, chest pain, anxiety, and chronic headaches. Even with allergy medicines and aspirin, nothing seemed to help. At first, I felt it was though it was just simple allergies until I woke up one morning with ...

  • Cephalexin 500 mg caused allergic reaction
    I developed a rash that quickly turned to painful, itchy blistering after taking cephalexin 500mg capsules for only 2 days (the prescription was for 10 days). The rash was on my hands, legs, back, & arms. I was sent by my doctor to the hospital emergency room. diagnosed as an allergic reaction to c ...

  • Avelox with prednisone and nabumetome = disaster
    I was prescribed that combination of drugs in January 2013 when I went to my family doctor with a bad chest congestion and painful knees. After starting on the drugs, I got a severely painful neck and thumb and noticed some tingling in my left foot. I took the whole course of the avelox and predniso ...

More reviews for: Avelox, Anaphylaxis

On eHealthMe, Avelox (moxifloxacin hydrochloride) is often used for sinusitis. Find out below the conditions Avelox is used for, how effective it is, and any alternative drugs that you can use to treat those same conditions.

What is Avelox used for and how effective is it:

Other drugs that are used to treat the same conditions:

Could it be a symptom from a condition:

Drugs in real world that are associated with:

Could your condition cause it?

NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.


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