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Review: could Coenzyme q10 cause Rash (Rashes)?

We study 989 people who have side effects while taking Coenzyme q10 from FDA and social media. Among them, 57 have Rash. Find out below who they are, when they have Rash and more.

Get connected: join a mobile support group for people who take Coenzyme q10 and have Rash >>>

Coenzyme q10

Coenzyme q10 (latest outcomes from 1,077 users) has active ingredients of coenzyme q - 10. It is often used in health.


Rash (redness) (latest reports from 970,465 patients) has been reported by people with rheumatoid arthritis, high blood pressure, high blood cholesterol, osteoporosis, depression.

On Oct, 30, 2014: 989 people reported to have side effects when taking Coenzyme q10. Among them, 57 people (5.76%) have Rash.

Trend of Rash in Coenzyme q10 reports

Time on Coenzyme q10 when people have Rash * :

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

Gender of people who have Rash when taking Coenzyme q10 * :


Age of people who have Rash when taking Coenzyme q10 * :


Severity of Rash when taking Coenzyme q10 ** :

leastmoderateseveremost severe

How people recovered from Rash ** :

while on the drugafter off the drugnot yet

Top conditions involved for these people * :

  1. Prophylaxis (16 people, 28.07%)
  2. Anaemia (15 people, 26.32%)
  3. Arthritis (13 people, 22.81%)
  4. Blood pressure (13 people, 22.81%)
  5. Blood cholesterol (13 people, 22.81%)

Top co-used drugs for these people * :

  1. Folic acid (38 people, 66.67%)
  2. Selenium (26 people, 45.61%)
  3. Vitamin b-12 (23 people, 40.35%)
  4. Neurontin (23 people, 40.35%)
  5. Vitamin e (23 people, 40.35%)

* 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 Rash while taking Coenzyme Q10?

Get connected! Join a mobile support group:
- support group for people who take Coenzyme q10 and have Rash
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- support group for people who have Rash

Comments from related studies:

  • From this study (3 weeks ago):

  • A. This is a long story.
    Over two weeks ago I accidentally knocked the scab off a nearly healed cut on my left shin, that had come from the dishwasher door hitting it. In retrospect it had taken a little longer to heal than I would have expected. When the scab fell off, the area under the scab appeared black. I thought it looked odd. I put 3% h2o2o on it and it healed up quickly in a day or so and has stayed healed.

    Several days later a reddened area bloomed about 8 inches below where that wound had been. It was composed of many tiny red spots. Within a day or so, going higher each time, 2 smaller, similar areas bloomed above the first reddened area, with about two inches of clear skin between the red spotted areas. These 3 reddened areas were approximately in a vertical line with the now completely healed wound site, with clear skin spaces between them.

    I thought it might be an allergy to one of the following, 1) an friend's old sick dog that I had patted, 2) something I had eaten, 3)the fact that I had switched to a different brand to co-enzyme q10 that listed some odd things in its ingredients, 4) stress, 5) or Listerine and white vinegar, half and half, that I had soaked my left foot in about a week prior.

    On the third day few similar spots appeared on the lateral side of the right [other] leg but those spots were s little larger and not clustered. As soon as I saw the spots on the right leg, at midnight, I used the Isabelle Symptom Checker online and went to the ER at St. Michael's in Newark because Isabelle listed "endocarditis,necrotizing fascilitis, and Lyme disease and the top 3 possibilities and said to get medical help immediately.

    St. Michael's said the rash was not important, it was only in the skin, I was not running a fever, and they did not have a dermatologist there overnight. They gave me a prescription for a cream, told me not to get it filled or take it until I saw a dermatologist who confirmed that was the right medicine. This was on a Thursday 9/5 morning. I would not be able to get a dermatologist appt until early the next week. I stopped eating chocolate, nuts, sugar, tomatoes, berries, all vitamins, both ubiquinol and coq10,and anything else I thought could possibly cause an allergy and and when I reviewed the legs on Sunday morning the rash was very much paler. By Monday it was gone. Completely from both legs. I did not make the appointment with a dermatologist as I had no rash to ask about.

    Fast forward to 9/13 when I stepped into a train vestibule with invisible water on its floor, and slipped so my left shin was wounded in a very small place a little below where the lowest of the rash spots had been. It was a high pressure wounding with the pressure continuing over a few minutes. It may have been skin against metal or skin against trouser leg, I am no sure which. It did not bleed much. I filed a report with Amtrak but the train had no medical supplies. All I could do was clean it with alcohol pads which the crew did not produce for me until 6 hours after the injury. The next morning I went to an emergency room in Virginia where the wound was cleaned, bandaged, and they gave me a tetanus shot, and did an x-ray determining that the bone was okay. They put me on bactrim ds tablets twice a day for 7 days, going through Sat 9/20.

    I have taken the antibiotic as prescribed and cleaned and re-bandaged the wound daily. Today when I dressed the wound I saw red speckles medial to it. There are not unlike the rash I had slightly above that area, that I went to St. Mike's ER with on 9/4/2104, two weeks ago.

    Does this sound like a ubiquinol rash? I saw another MD today and he prescribed a stronger antibiotic and the continued daily cleaning and dressing the wound.
    If it is not ubiquinol,could it be a fungus from the toenail I was soaking that came up the leg after the Listerine/vinegar soak of the foot/toenails.... or and allergy to that soak? I welcome any carefully considered ideas as I need this situation under control.Any ideas what this is or how is best to proceed to cure it?


  • From this study (1 month ago):

  • Rash first noticed Sunday morning. Was taking coq10 for at least 10 years. In past 5 yrs had added 50 mg ubiquinol taken concurrently with the coq10 due to the fact that the coq10 allegedly cannot be converted by one my age. Current dose was: 400mg + 200 mg ubiquinol twice a day with food and water. Changed brands of coq10 and added the ubiqinol twice a day as coq10 seemed to have become ineffective nad I had reasons to believe I had very low coq10 levels in my body as gums bled if teeth flossed and I had had a several months duration hyperthyroid episode from last Summer until about January.[All of the hyperthyroid symptoms subsided by January.

    One week into the ubiquinol enhanced coq10 protocol I had a little itching on my left leg. Two days later I noticed what looked like it might be a cluster of tiny insect bits on the left leg along the crest of the tibia. I thought maybe insects from an old, infirm dog with an eye infection I had been patting on Saturday afternoon had attacked my leg. Within a day the redness grew greater and 4 focal areas on rash emerged lower tibia 1/2 inch to 1 inch apart. On the evening of the second day itching began on the right lower leg and a similar but more diffuse rash appeared more lateral than on the left leg location. So far the right leg rash is confined to discrete spots of redness that do not meld together like the rash on the left leg. There is a small amount of itching on both legs but not a lot. I do not know for sure if the rash is form the dog or from the coq10/ubiquinol. I was about to discontinue the coq10 just before the rash started, as I thought I was not able to convert it due to my age. I had planned to continue only the ubiquinol. Since the rash could be from these substances, though, I am discontinuing both of them for at least 3 days to see what happens.


  • From this study (2 years ago):

  • Skin rash is diffuse on arms, neck, torso


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

  • How long does redness last after picato?
    After 3 and a half weeks, I still have a huge red splotch on my face where I applied picato gel according to directions from my dermatologist. I'm very worried that it will be permanent. I had a huge water filled blister the morning after my first application of the gel. I used it two more times as ...

  • Does anyone else have trouble getting to sleep since beginning to take brilinta?
    Am trying to figure out just why, since stent insertion, I have developed insomnia which keeps me from getting to sleep at night. Brilinta is the only new drug I am taking.I am very sleepy, falling asleep in my chair while watching TV, but wide awake when I go to bed and staying awake until two or t ...

  • I used coartem and developed redish all over my body. can coartem cause rashes
    i developed rashes which is itching me after using coartem for three days. also having sensation in my mouth and blister at the angle of my lips. could it be a side effect from coartem? pat

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More reviews for: Coenzyme q10, Rash

On eHealthMe, Coenzyme Q10 (coenzyme q - 10) is often used for health. Find out below the conditions Coenzyme Q10 is used for, how effective it is, and any alternative drugs that you can use to treat those same conditions.

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