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Biotin Side Effects

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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.

Biotin Side Effects Reported to FDA



Biotin Side Effect Report#9844388
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 health 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): Dry Mouth, Condition Aggravated, Product Formulation Issue 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.
Biotin Side Effect Report#9725611
Blood Testosterone Increased, Scan Adrenal Gland Abnormal
This report suggests a potential Biotin Blood Testosterone Increased 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. After starting Biotin the patient began experiencing various side effects, including: Blood Testosterone Increased, Scan Adrenal Gland AbnormalAdditional 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.
Biotin Side Effect Report#8483886-3
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 using Biotin, the patient experienced the following unwanted symptoms/side effects: PyrexiaThe 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.
Biotin Side Effect Report#8476303-0
Menstruation Irregular
This Menstruation Irregular side effect was reported by a consumer or non-health professional from United States. A female patient (weight:NA) experienced the following symptoms/conditions: medical diet.The patient was prescribed Biotin (drug dosage: NA), which was initiated on 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;)
.After starting to take Biotin the consumer reported adverse symptoms, such as: Menstruation IrregularThese side effects may potentially be related to Biotin.
Biotin Side Effect Report#8275572-X
Breast Cancer
This is a report of a 45-year-old female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Biotin (dosage: NA, start time:
Apr 26, 2010), combined with:
  • Tylenol (caplet)
  • Synthroid
  • Ventolin Ds
  • Vitamin D
  • Tysabri
and developed a serious reaction and side effect(s): Breast Cancer after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Biotin treatment in female patients, resulting in Breast Cancer side effect.
Biotin Side Effect Report#8225125-4
Meningitis
This report suggests a potential Biotin Meningitis side effect(s) that can have serious consequences. A 58-year-old female patient (weight: NA) from Switzerland was diagnosed with the following symptoms/conditions: NA and used Biotin (dosage: NA) starting NS. After starting Biotin the patient began experiencing various side effects, including: MeningitisAdditional drugs used concurrently:
  • 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. Although Biotin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Meningitis, may still occur.
Biotin Side Effect Report#8210741-6
Breast Cancer
This Breast Cancer problem was reported by a health professional from United States. A 45-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Apr 26, 2010 this consumer started treatment with Biotin (dosage: NA). The following drugs were being taken at the same time:
  • Vitamin D
  • Ventolin Ds
  • Synthroid
  • Tylenol
  • Tysabri
When using Biotin, the patient experienced the following unwanted symptoms/side effects: Breast CancerAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Breast Cancer, may become evident only after a product is in use by the general population.
Biotin Side Effect Report#8210385-6
Heart Rate Increased, Fatigue, Malaise, Cardiac Flutter, Dyspnoea, Dyspepsia, Supraventricular Tachycardia, Chest Discomfort
This Heart Rate 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: NA.The patient was prescribed Biotin (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Premarin
  • Lorazepam
  • Ativan
  • Multi-vitamin
  • Wellbutrin
  • Toprol-xl
  • Toprol-xl
.After starting to take Biotin the consumer reported adverse symptoms, such as: Heart Rate Increased, Fatigue, Malaise, Cardiac Flutter, Dyspnoea, Dyspepsia, Supraventricular Tachycardia, Chest DiscomfortThese side effects may potentially be related to Biotin.
Biotin Side Effect Report#8198608-3
Trichorrhexis, Rash Macular, Erythema, Alopecia
This is a report of a 85-year-old female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: alopecia,osteoporosis postmenopausal, who was treated with Biotin (dosage: 1 Df, Unk, start time:
Jan 01, 2011), combined with:
  • Prolia (Unk Unk, Q6mo)
  • Calcium W/vitamin D (Unk)
  • Humulin R (Unk)
  • Atenolol (Unk)
  • Humalog (Unk)
and developed a serious reaction and side effect(s): Trichorrhexis, Rash Macular, Erythema, Alopecia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Biotin treatment in female patients, resulting in Trichorrhexis side effect.
Biotin Side Effect Report#8102432-7
Depression, Aggression, Crying, Alcohol Use, Euphoric Mood, Amnesia
This report suggests a potential Biotin Depression side effect(s) that can have serious consequences. A female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: nail disorder,hair disorder and used Biotin (dosage: 5,000 Mcg Daily Mouth) starting
Nov 01, 2011. After starting Biotin the patient began experiencing various side effects, including: Depression, Aggression, Crying, Alcohol Use, Euphoric Mood, AmnesiaAdditional drugs used concurrently: NA. Although Biotin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Depression, may still occur.
Biotin Side Effect Report#8100371-9
Injection Site Swelling, Injection Site Warmth, Injection Site Pain, Injection Site Erythema, Oedema Peripheral, Injection Site Pruritus
This Injection Site Swelling problem was reported by a consumer or non-health professional from United States. A 54-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Jul 19, 2011 this consumer started treatment with Biotin (dosage: NA). The following drugs were being taken at the same time:
  • Prilosec
  • Magnesium
  • Remifemin
  • Calcium
  • Fish Oil
  • Humira
  • Imuran
  • Potassium
When using Biotin, the patient experienced the following unwanted symptoms/side effects: Injection Site Swelling, Injection Site Warmth, Injection Site Pain, Injection Site Erythema, Oedema Peripheral, Injection Site PruritusAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Injection Site Swelling, may become evident only after a product is in use by the general population.
Biotin Side Effect Report#8094715-4
Oedema Peripheral, Injection Site Pain
This Oedema Peripheral side effect was reported by a consumer or non-health professional from United States. A 52-year-old female patient (weight:NA) experienced the following symptoms/conditions: dry mouth.The patient was prescribed Biotin (drug dosage: NA), which was initiated on
Sep 01, 2011. Concurrently used drugs:
  • Humira
  • Omeprazole
  • Lexapro
  • Oxycontin
  • Arthrotec
  • Combivent
  • Crestor
  • Valium
.After starting to take Biotin the consumer reported adverse symptoms, such as: Oedema Peripheral, Injection Site PainThese side effects may potentially be related to Biotin.
Biotin Side Effect Report#8092821-1
Injection Site Haematoma
This is a report of a female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Biotin (dosage: NA, start time:
May 01, 2011), combined with:
  • Humira
  • Zoloft
  • Zetia
  • Omeprazole
  • Crestor
  • Niaspan
  • Folic Acid
  • Fish Oil
and developed a serious reaction and side effect(s): Injection Site Haematoma after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Biotin treatment in female patients, resulting in Injection Site Haematoma side effect.
Biotin Side Effect Report#8088641-4
Low Density Lipoprotein Increased, Alopecia
This report suggests a potential Biotin Low Density Lipoprotein Increased side effect(s) that can have serious consequences. A female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: vitamin supplementation,mineral supplementation and used Biotin (dosage: NA) starting NS. After starting Biotin the patient began experiencing various side effects, including: Low Density Lipoprotein Increased, AlopeciaAdditional drugs used concurrently:
  • Chromium Chloride
  • Same
  • Methotrexate
  • Red Rice Yeast
  • Lugols Solution 5%
  • Humira
  • Methotrexate
  • Humira
Although Biotin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Low Density Lipoprotein Increased, may still occur.
Biotin Side Effect Report#8068724-5
Erythema, Rash Macular, Trichorrhexis, Alopecia
This Erythema problem was reported by a physician from United States. A 85-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: alopecia,cardiac disorder. On
Jan 01, 2011 this consumer started treatment with Biotin (dosage: 1 Df, Unk). The following drugs were being taken at the same time:
  • Atenolol (Unk)
When using Biotin, the patient experienced the following unwanted symptoms/side effects: Erythema, Rash Macular, Trichorrhexis, AlopeciaAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Erythema, may become evident only after a product is in use by the general population.
Biotin Side Effect Report#7990528-X
Cough, Alopecia
This Cough side effect was reported by a consumer or non-health professional from United States. A 84-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Biotine (drug dosage: NA), which was initiated on
Jan 01, 2009. Concurrently used drugs:
  • Crestor
  • Toprol-xl
.After starting to take Biotine the consumer reported adverse symptoms, such as: Cough, AlopeciaThese side effects may potentially be related to Biotine.
Biotin Side Effect Report#7935608-X
Intentional Self-injury, Irritability, Suicidal Ideation
This is a report of a female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Biotin (dosage: NA, start time:
Sep 02, 2011), combined with:
  • Buspar
  • Contraceptives
  • Strattera (18 Mg, Each Morning)
  • Citalopram Hydrobromide (Unk)
and developed a serious reaction and side effect(s): Intentional Self-injury, Irritability, Suicidal Ideation after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Biotin treatment in female patients, resulting in Intentional Self-injury side effect.
Biotin Side Effect Report#7901999-9
Nausea, Hypoaesthesia, Dyspnoea, Stress
This report suggests a potential Biotin Nausea side effect(s) that can have serious consequences. A 45-year-old female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: NA and used Biotin (dosage: NA) starting
Jan 01, 2005. After starting Biotin the patient began experiencing various side effects, including: Nausea, Hypoaesthesia, Dyspnoea, StressAdditional drugs used concurrently:
  • Diclofenac Sodium
  • Seroquel
  • Fish Oil
  • Alprazolam
  • Requip (.25mg Per Day)
  • Proventil
  • Prednisone
  • Flexeril
The patient was hospitalized. Although Biotin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Nausea, may still occur.
Biotin Side Effect Report#7833819-5
Stress, Nausea, Dyspnoea, Hypoaesthesia
This Stress problem was reported by a consumer or non-health professional from United States. A 45-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Jul 01, 2005 this consumer started treatment with Biotin (dosage: NA). The following drugs were being taken at the same time:
  • Fish Oil
  • Cranberry
  • Diclofenac
  • Advair Diskus 100/50 (1puff Twice Per Day)
  • Proventil
  • Alprazolam
  • Tussionex
  • Seroquel
When using Biotin, the patient experienced the following unwanted symptoms/side effects: Stress, Nausea, Dyspnoea, HypoaesthesiaThe 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 Stress, may become evident only after a product is in use by the general population.
Biotin Side Effect Report#7814650-3
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 (drug dosage: Unk), which was initiated 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)
.After starting to take Biotin the consumer reported adverse symptoms, such as: Dyspnoea, Deep Vein Thrombosis, Injury, Pain, Chest Pain, Pulmonary EmbolismThese side effects may potentially be related to Biotin. The patient was hospitalized.
Biotin Side Effect Report#7790808-7
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 health 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): Fracture Delayed Union, Tibia Fracture, Foot Deformity, Hypertension, Basal Cell Carcinoma, Fall, Stress Fracture, Anxiety 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.
Biotin Side Effect Report#7761596-5
Throat Irritation, Flatulence, Dyspepsia, Gastrointestinal Disorder
This report suggests a potential Biotin Throat Irritation 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. After starting Biotin the patient began experiencing various side effects, including: Throat Irritation, Flatulence, Dyspepsia, Gastrointestinal DisorderAdditional 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.
Biotin Side Effect Report#7749787-0
Aspiration, Economic Problem, Pneumonia, Pulmonary Infarction, Musculoskeletal Stiffness, Emotional Distress, Cervicobrachial Syndrome, Lung Neoplasm, Scoliosis
This Aspiration 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 using Biotin, the patient experienced the following unwanted symptoms/side effects: Aspiration, Economic Problem, Pneumonia, Pulmonary Infarction, Musculoskeletal Stiffness, Emotional Distress, Cervicobrachial Syndrome, Lung Neoplasm, ScoliosisThe 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.
Biotin Side Effect Report#7710351-0
Dyspepsia, Gastrointestinal Disorder
This Dyspepsia side effect was reported by a consumer or non-health professional from United States. A 73-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Biotin (drug dosage: NA), which was initiated on
May 29, 2011. Concurrently used drugs:
  • Chondroitin Sulfate + Glucosamine
  • Simavastatin
  • Diovan
  • Carvedilol
  • Lansoprazole
  • Aspirin
  • Prevacid
  • Lansoprazole
.After starting to take Biotin the consumer reported adverse symptoms, such as: Dyspepsia, Gastrointestinal DisorderThese side effects may potentially be related to Biotin.
Biotin Side Effect Report#7689093-6
Femur Fracture, Fracture Nonunion, Back Pain, Hypertension, Device Failure, Impaired Healing, Vitamin D Deficiency
This is a report of a 76-year-old female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Biotin (dosage: NA, start time:
Jan 01, 1980), combined with:
  • Vitamin E
  • Flaxseed
  • Niacin
  • Aspirin
  • Ascorbic Acid
and developed a serious reaction and side effect(s): Femur Fracture, Fracture Nonunion, Back Pain, Hypertension, Device Failure, Impaired Healing, Vitamin D Deficiency after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Biotin treatment in female patients, resulting in Femur Fracture side effect. The patient was hospitalized.


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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.

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What are common 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

What are common Biotin Side Effects for Men?

Men Side EffectsReports
Pyrexia 1

Track Your Side Effects

Note Your Observations

It is really important to keep track of your health 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

    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.

    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.

    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.

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