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Biotin Side Effects

Common Biotin Side Effects


The most commonly reported Biotin side effects (click to view or check a box to report):

Dyspnoea (5)
Alopecia (4)
Erythema (3)
Dyspepsia (3)
Hypertension (2)
Hypoaesthesia (2)
Anxiety (2)
Diarrhoea (2)
Emotional Distress (2)
Injection Site Pain (2)
Breast Cancer (2)
Aspiration (2)
Stress (2)
Nausea (2)
Lung Neoplasm (2)
Oedema Peripheral (2)
Pulmonary Embolism (2)
Stress Fracture (2)
Rash Macular (2)
Trichorrhexis (2)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

Biotin Side Effects Reported to FDA

The following Biotin reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.


The appearance of Biotin on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.
Dry Mouth, Condition Aggravated, Product Formulation Issue
This is a report of a 70-year-old female patient (weight: NA) from US, suffering from the following symptoms/conditions: dry mouth, who was treated with Biotine Oralbalance Drymouth Gel (dosage: Last Two Weeks, start time: NS), combined with: NA. and developed a serious reaction and side effect(s). The consumer presented with:
  • Dry Mouth
  • Condition Aggravated
  • Product Formulation Issue
which developed after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Biotine Oralbalance Drymouth Gel treatment in female patients, resulting in dry mouth side effect.

Blood Testosterone Increased, Scan Adrenal Gland Abnormal
This report suggests a potential Biotin Blood Testosterone Increased, Scan Adrenal Gland Abnormal side effect(s) that can have serious consequences. A 72-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: hair disorder,nail disorder and used Biotin (dosage: 1 Capsule, Once Daily) starting Jan 17, 2012. Soon after starting Biotin the patient began experiencing various side effects, including:
  • Blood Testosterone Increased
  • Scan Adrenal Gland Abnormal
Drugs used concurrently: NA. Although Biotin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as blood testosterone increased, may still occur.

Pyrexia
This Pyrexia problem was reported by a health professional from UNITED STATES. A male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On Apr 01, 2012 this consumer started treatment with Biotin (dosage: NA). The following drugs were being taken at the same time:
  • Lithium Carbonate
  • Clonazepam
  • Life Pak Tab Mens
  • Fish Oil
  • Levothyroxine Sodium
  • Cod Liver
  • Calcium/mag/zinc
  • Xeloda (Bid X2 Weeks Po)
When commencing Biotin, the patient experienced the following unwanted symptoms/side effects:
  • Pyrexia
The patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as pyrexia, may become evident only after a product is in use by the general population.

Menstruation Irregular
This is a report of a female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: medical diet and was treated with Biotin (dosage: NA) starting NS. Concurrently used drugs:
  • Plan B One-step (1.5 Milligram;)
  • Plan B One-step (1.5 Milligram;)
  • Plan B One-step (1.5 Milligram;)
Soon after that, the consumer experienced the following side effects:
  • Menstruation Irregular
This opens a possibility that Biotin treatment could cause the above reactions, including menstruation irregular, and some female subjects may be more susceptible.


Breast Cancer
A 45-year-old female patient (weight: NA) from UNITED STATES with the following symptoms/conditions: NA started Biotin treatment (dosage: NA) on Apr 26, 2010. Soon after starting Biotin treatment, the subject experienced various side effects, including:
  • Breast Cancer
Concurrently used drugs:
  • Tylenol (caplet)
  • Synthroid
  • Ventolin Ds
  • Vitamin D
  • Tysabri
This finding indicates that some female patients could be more vulnerable to Biotin.

Meningitis
A 58-year-old female patient from SWITZERLAND (weight: NA) experienced symptoms, such as: NA and was treated with Biotin(dosage: NA). The treatment was initiated on NS. After that a consumer reported the following side effect(s):
  • Meningitis
Concurrently used drugs, which potentially could have contributed to side effect(s) or affected Biotin efficacy:
  • Calcium Dobesilate
  • Calcium Carbonate
  • Colecalciferol
  • Levothyroxine Sodium
  • Methotrexate (20 Mg/week)
  • Adalimumab (40mg Every 2 Weeks)
  • Alendronic Acid
  • Sibutramine Hydrochloride Monohydrate
The patient was hospitalized.

Breast Cancer
In this report, Biotin was administered for the following condition: NA.A 45-year-old female consumer from UNITED STATES (weight: NA) started Biotin treatment (dosage: NA) on Apr 26, 2010.Sometime after starting the treatment, the patient complained of the following side effect(s):
  • Breast Cancer
A possible interaction with other drugs could have contributed to this reaction:
  • Vitamin D
  • Ventolin Ds
  • Synthroid
  • Tylenol
  • Tysabri
Establishing a causal relationship between a specific drug and consumer's side effects is complex, but it is possible that in this report Biotin treatment could be related to the listed above side effect(s).

Heart Rate Increased, Fatigue, Malaise, Cardiac Flutter, Dyspnoea, Dyspepsia, Supraventricular Tachycardia, Chest Discomfort
This is a report of the following Biotin side effect(s):
  • Heart Rate Increased
  • Fatigue
  • Malaise
  • Cardiac Flutter
  • Dyspnoea
  • Dyspepsia
  • Supraventricular Tachycardia
  • Chest Discomfort
A female patient from UNITED STATES (weight: NA) presented with the following condition: NA and received a treatment with Biotin (dosage: NA) starting: NS.The following concurrently used drugs could have generated interactions:
  • Premarin
  • Lorazepam
  • Ativan
  • Multi-vitamin
  • Wellbutrin
  • Toprol-xl
  • Toprol-xl
This report suggests that a Biotin treatment could be associated with the listed above side effect(s).

Trichorrhexis, Rash Macular, Erythema, Alopecia
This Biotin report was submitted by a 85-year-old female consumer from UNITED STATES (weight: NA). The patient was diagnosed with: alopecia,osteoporosis postmenopausal and Biotin was administered (dosage: 1 Df, Unk) starting: Jan 01, 2011. The consumer developed a set of symptoms:
  • Trichorrhexis
  • Rash Macular
  • Erythema
  • Alopecia
Other drugs used simultaneously:
  • Prolia (Unk Unk, Q6mo)
  • Calcium W/vitamin D (Unk)
  • Humulin R (Unk)
  • Atenolol (Unk)
  • Humalog (Unk)
Those unexpected symptoms could be linked to a Biotin treatment, however establishing a potential drug-safety problem requires a more detailed clinical analysis.

Depression, Aggression, Crying, Alcohol Use, Euphoric Mood, Amnesia
This is a report of a possible correlation between Biotin use and the following symptoms/side effect(s):
  • Depression
  • Aggression
  • Crying
  • Alcohol Use
  • Euphoric Mood
  • Amnesia
which could contribute to an assessment of Biotin risk profile.A female consumer from UNITED STATES (weight: NA) was suffering from nail disorder,hair disorder and was treated with Biotin (dosage: 5,000 Mcg Daily Mouth) starting Nov 01, 2011.Other concurrent medications: NA.

Injection Site Swelling, Injection Site Warmth, Injection Site Pain, Injection Site Erythema, Oedema Peripheral, Injection Site Pruritus
A 54-year-old female patient from UNITED STATES (weight: NA) presented with the following symptoms: NA and after a treatment with Biotin (dosage: NA) experienced the following side effect(s):
  • Injection Site Swelling
  • Injection Site Warmth
  • Injection Site Pain
  • Injection Site Erythema
  • Oedema Peripheral
  • Injection Site Pruritus
The treatment was started on Jul 19, 2011. Biotin was used in combination with the following drugs:
  • Prilosec
  • Magnesium
  • Remifemin
  • Calcium
  • Fish Oil
  • Humira
  • Imuran
  • Potassium
This report could alert potential Biotin consumers.

Oedema Peripheral, Injection Site Pain
In this report, a 52-year-old female patient from UNITED STATES (weight: NA) was affected by a possible Biotin side effect.The patient was diagnosed with dry mouth. After a treatment with Biotin (dosage: NA, start date: Sep 01, 2011), the patient experienced the following side effect(s):
  • Oedema Peripheral
  • Injection Site Pain
The following simultaneously used drugs could have led to this reaction:
  • Humira
  • Omeprazole
  • Lexapro
  • Oxycontin
  • Arthrotec
  • Combivent
  • Crestor
  • Valium
The findings here stress that side effects should be taken into consideration when evaluating a Biotin treatment.

Injection Site Haematoma
This is a report of a female patient from UNITED STATES (weight: NA), who used Biotin (dosage: NA) for a treatment of NA. After starting a treatment on May 01, 2011, the patient experienced the following side effect(s):
  • Injection Site Haematoma
The following drugs could possibly have interacted with the Biotin treatment
  • Humira
  • Zoloft
  • Zetia
  • Omeprazole
  • Crestor
  • Niaspan
  • Folic Acid
  • Fish Oil
Taken together, these observations suggest that a Biotin treatment could be related to side effect(s), such as Injection Site Haematoma.

Low Density Lipoprotein Increased, Alopecia
This low density lipoprotein increased side effect was reported by a consumer or non-health professional from UNITED STATES. A female patient (weight:NA) experienced the following symptoms/conditions: vitamin supplementation,mineral supplementation. The patient was prescribed Biotin (dosage: NA), which was started on NS. Concurrently used drugs:
  • Chromium Chloride
  • Same
  • Methotrexate
  • Red Rice Yeast
  • Lugols Solution 5%
  • Humira
  • Methotrexate
  • Humira
When starting to take Biotin the consumer reported the following symptoms:
  • Low Density Lipoprotein Increased
  • Alopecia
These side effects may potentially be related to Biotin.

Erythema, Rash Macular, Trichorrhexis, Alopecia
This is a Biotin side effect report of a 85-year-old female patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: alopecia,cardiac disorder, who was treated with Biotin (dosage:1 Df, Unk, start time: Jan 01, 2011), combined with:
  • Atenolol (Unk)
, and developed a serious reaction and a erythema side effect. The patient presented with:
  • Erythema
  • Rash Macular
  • Trichorrhexis
  • Alopecia
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Biotin treatment in female patients suffering from alopecia,cardiac disorder, resulting in erythema.

Cough, Alopecia
This report suggests a potential Biotine cough side effect(s) that can have serious consequences. A 84-year-old female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): NA and used Biotine (dosage: NA) starting Jan 01, 2009. Soon after starting Biotine the patient began experiencing various side effects, including:
  • Cough
  • Alopecia
Drugs used concurrently:
  • Crestor
  • Toprol-xl
Although Biotine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as cough, may still occur.

Intentional Self-injury, Irritability, Suicidal Ideation
This intentional self-injury problem was reported by a physician from UNITED STATES. A female patient (weight: NA) was diagnosed with the following medical condition(s): NA.On Sep 02, 2011 a consumer started treatment with Biotin (dosage: NA). The following drugs/medications were being taken at the same time:
  • Buspar
  • Contraceptives
  • Strattera (18 Mg, Each Morning)
  • Citalopram Hydrobromide (Unk)
When commencing Biotin, the patient experienced the following unwanted symptoms /side effects:
  • Intentional Self-injury
  • Irritability
  • Suicidal Ideation
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as intentional self-injury, may become evident only after a product is in use by the general population.

Nausea, Hypoaesthesia, Dyspnoea, Stress
This is a Biotin side effect report of a 45-year-old female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: NA and was treated with Biotin (dosage: NA) starting Jan 01, 2005. Concurrently used drugs:
  • Diclofenac Sodium
  • Seroquel
  • Fish Oil
  • Alprazolam
  • Requip (.25mg Per Day)
  • Proventil
  • Prednisone
  • Flexeril
Soon after that, the consumer experienced the following of symptoms:
  • Nausea
  • Hypoaesthesia
  • Dyspnoea
  • Stress
The patient was hospitalized. This opens a possibility that Biotin could cause nausea and that some female patients may be more susceptible.

Stress, Nausea, Dyspnoea, Hypoaesthesia
A 45-year-old female patient (weight: NA) from UNITED STATES with the following symptoms: NA started Biotin treatment (dosage: NA) on Jul 01, 2005. Soon after starting Biotin treatment, the consumer experienced several side effects, including:
  • Stress
  • Nausea
  • Dyspnoea
  • Hypoaesthesia
. Concurrently used drugs:
  • Fish Oil
  • Cranberry
  • Diclofenac
  • Advair Diskus 100/50 (1puff Twice Per Day)
  • Proventil
  • Alprazolam
  • Tussionex
  • Seroquel
The patient was hospitalized. This finding indicates that some patients can be more vulnerable to developing Biotin side effects, such as stress.

Dyspnoea, Deep Vein Thrombosis, Injury, Pain, Chest Pain, Pulmonary Embolism
This dyspnoea side effect was reported by a health professional from UNITED STATES. A 43-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Biotin (dosage: Unk), which was started on Aug 14, 2009. Concurrently used drugs:
  • Vitamin D (Unk Unk, Qd)
  • Sea Kelp (Unk)
  • Claritin (10 Mg, Qd)
  • Yaz (Unk)
  • Isometh-d-chlor (Unk)
  • Amoxicillin (500 Mg, Unk)
  • Veramyst (Unk Unk, Qd)
  • Multi-vitamins (Unk Unk, Qd)
.When starting to take Biotin the consumer reported symptoms, such as:
  • Dyspnoea
  • Deep Vein Thrombosis
  • Injury
  • Pain
  • Chest Pain
  • Pulmonary Embolism
These side effects may potentially be related to Biotin. The patient was hospitalized.

Fracture Delayed Union, Tibia Fracture, Foot Deformity, Hypertension, Basal Cell Carcinoma, Fall, Stress Fracture, Anxiety
This is a report of a 57-year-old female patient (weight: NA) from UNITED STATES, suffering from the following symptoms/conditions: NA, who was treated with Biotin (dosage: NA, start time: Aug 01, 2000), combined with:
  • Fosamax Plus D
  • Centrum
  • Fosamax
  • Ascorbic Acid
  • Calcium Carbonate
  • Fosamax
  • Citracal
  • Cholecalciferol
and developed a serious reaction and side effect(s). The consumer presented with:
  • Fracture Delayed Union
  • Tibia Fracture
  • Foot Deformity
  • Hypertension
  • Basal Cell Carcinoma
  • Fall
  • Stress Fracture
  • Anxiety
which developed after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Biotin treatment in female patients, resulting in fracture delayed union side effect. The patient was hospitalized and became disabled.

Throat Irritation, Flatulence, Dyspepsia, Gastrointestinal Disorder
This report suggests a potential Biotin Throat Irritation, Flatulence, Dyspepsia, Gastrointestinal Disorder side effect(s) that can have serious consequences. A female patient (weight: NA) from UNITED STATES was diagnosed with the following symptoms/conditions: NA and used Biotin (dosage: NA) starting Jun 01, 2011. Soon after starting Biotin the patient began experiencing various side effects, including:
  • Throat Irritation
  • Flatulence
  • Dyspepsia
  • Gastrointestinal Disorder
Drugs used concurrently:
  • Calcium Carbonate
  • Glucosamine/condroitin
  • Pradaxa (300 Mg)
  • Metoprolol Tartrate
  • Diovan
Although Biotin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as throat irritation, may still occur.

Aspiration, Economic Problem, Pneumonia, Pulmonary Infarction, Musculoskeletal Stiffness, Emotional Distress, Cervicobrachial Syndrome, Lung Neoplasm, Scoliosis
This Aspiration, Economic Problem, Pneumonia, Pulmonary Infarction, Musculoskeletal Stiffness, Emotional Distress, Cervicobrachial Syndrome, Lung Neoplasm, Scoliosis problem was reported by a consumer or non-health professional from UNITED STATES. A 41-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On Apr 03, 2008 this consumer started treatment with Biotin (dosage: NA). The following drugs were being taken at the same time:
  • Centrum Cardio
  • Cephalexin
  • Atenolol
  • Nuvaring (Vag)
  • Nuvaring (Vag)
  • Fish Oil
  • Naphcon
  • Coumadin
When commencing Biotin, the patient experienced the following unwanted symptoms/side effects:
  • Aspiration
  • Economic Problem
  • Pneumonia
  • Pulmonary Infarction
  • Musculoskeletal Stiffness
  • Emotional Distress
  • Cervicobrachial Syndrome
  • Lung Neoplasm
  • Scoliosis
The patient was hospitalized and became disabled.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as aspiration, may become evident only after a product is in use by the general population.

Dyspepsia, Gastrointestinal Disorder
This is a report of a 73-year-old female patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: NA and was treated with Biotin (dosage: NA) starting May 29, 2011. Concurrently used drugs:
  • Chondroitin Sulfate + Glucosamine
  • Simavastatin
  • Diovan
  • Carvedilol
  • Lansoprazole
  • Aspirin
  • Prevacid
  • Lansoprazole
Soon after that, the consumer experienced the following side effects:
  • Dyspepsia
  • Gastrointestinal Disorder
This opens a possibility that Biotin treatment could cause the above reactions, including dyspepsia, and some female subjects may be more susceptible.

Femur Fracture, Fracture Nonunion, Back Pain, Hypertension, Device Failure, Impaired Healing, Vitamin D Deficiency
A 76-year-old female patient (weight: NA) from UNITED STATES with the following symptoms/conditions: NA started Biotin treatment (dosage: NA) on Jan 01, 1980. Soon after starting Biotin treatment, the subject experienced various side effects, including:
  • Femur Fracture
  • Fracture Nonunion
  • Back Pain
  • Hypertension
  • Device Failure
  • Impaired Healing
  • Vitamin D Deficiency
Concurrently used drugs:
  • Vitamin E
  • Flaxseed
  • Niacin
  • Aspirin
  • Ascorbic Acid
The patient was hospitalized. This finding indicates that some female patients could be more vulnerable to Biotin.

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Top 10 Biotin Side Effects for Women

Women Side EffectsReports
Dyspnoea 5
Alopecia 4
Dyspepsia 3
Erythema 3
Anxiety 2
Aspiration 2
Breast Cancer 2
Diarrhoea 2
Emotional Distress 2
Flushing 2

Top 10 Biotin Side Effects for Men

Men Side EffectsReports
Pyrexia 1

Keep Track of Side Effects

Note Your Observations

It is really important to keep of your symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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