Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 21 Researches
8.1
USERS' SCORE
Medium or Average
Based on 33 Reviews
6
Supplement Facts
Serving Size:   1 Softgel
Amount Per Serving
%DV
Vitamin D3 (as Cholecalciferol) (from Lanolin)
125 mcg (5,000 IU)
625%

Top Medical Research Studies

We sought to understand the impact of severe vitamin D deficiency on benign paroxysmal positional vertigo (BPPV), a common cause of dizziness. Previous studies showed a connection between low vitamin D levels and both the onset and recurrence of BPPV, but none had conclusively demonstrated that addressing this deficiency could lessen the recurrence of symptoms.

To examine this further, we included patients diagnosed with unilateral, idiopathic posterior canal BPPV and severe vitamin D deficiency, indicated by levels of 25-hydroxyvitamin D3 at or below 10 ng/ml. After thorough evaluations including hearing tests and balance assessments, we prescribed vitamin D therapy to our participants.

Over the following months, we monitored the changes in their vitamin D levels and followed up with them for 18 months to observe any recurrence of dizziness. Our findings revealed that patients who showed an improvement in their vitamin D levels experienced a significant reduction in the recurrence of BPPV symptoms.

This suggests that by addressing vitamin D deficiency, we can potentially offer a more effective approach to managing BPPV—lessening those troublesome dizzy spells that can really impact quality of life.
Read More
9.5
Vitamin D may alleviate dizziness
We observed a unique case of a 35-year-old woman experiencing non-traumatic multicanal benign paroxysmal positional vertigo (BPPV). Initially diagnosed with unilateral posterior canal BPPV, her condition evolved to include both horizontal and anterior canals over time.

Throughout 2012 to 2014, conventional treatments fell short in resolving her symptoms, despite her undergoing canalith repositioning treatments (CRTs). Remarkably, in 2015, we noted a correlation between her self-treatment of vitamin D—at a dose of 5000 IU daily—and the subsequent resolution of her vertigo symptoms.

This case stands out not just because of the uncommon progression from single-canal to multi-canal BPPV, but also highlights the potential role of vitamin D in symptom management. It suggests that vitamin D might offer benefits for those suffering from dizziness related to vertigo, particularly in cases where traditional treatments are ineffective.
Read More
9
Vitamin D affects BPPV recurrence
We explored the connection between serum vitamin D levels and the recurrence of benign paroxysmal positional vertigo (BPPV), a leading cause of dizziness. In this study, we reviewed the medical charts of 50 patients diagnosed with BPPV, focusing on two distinct groups: those who experienced recurring episodes and those who did not.

Our findings revealed that the average serum vitamin D level in patients who had recurring BPPV was significantly lower (12.9 ng/mL) compared to those without recurrences (19.2 ng/mL). This suggests that lower vitamin D levels might be linked to a higher chance of dizziness from BPPV recurrences.

We also identified that a vitamin D level below 12.74 ng/mL was associated with a significantly higher recurrence rate of 70.5%, compared to just 22.5% for those above this threshold. This indicates that monitoring and managing vitamin D levels could be crucial for patients at risk for recurring episodes of BPPV.

In summary, our findings underline the potential importance of vitamin D in managing dizziness, particularly in individuals suffering from BPPV. It seems that keeping an adequate level of this vitamin might help reduce the risk of future vertigo episodes.
Read More

Most Useful Reviews

9
Dizziness relieved
146 people found this helpful
I've been taking it for four months. The capsules are easy to swallow, and I’m addressing my vitamin D3 deficiency. Dizziness has passed, though my joints still crunch. I recommend 5000 IU D3 for those with low levels.
Read More
9
Dizziness completely gone
11 people found this helpful
In my late fifties and not seeing enough sun in Singapore, I initially tried a lower dose of vitamin D with no results. After switching to 5000 IU, my dizziness completely disappeared and my joints feel better.
Read More
0
Headaches triggered
5 people found this helpful
This vitamin caused me a terrible headache, tachycardia, and dizziness. I switched to Vitamin Solaray D3 (5000) + K2 and experienced no side effects. Previously, I had no issues with D3 from California Nutrition.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 21 Researches
8.1
  • All Researches
9.5
Vitamin D may alleviate dizziness
We observed a unique case of a 35-year-old woman experiencing non-traumatic multicanal benign paroxysmal positional vertigo (BPPV). Initially diagnosed with unilateral posterior canal BPPV, her condition evolved to include both horizontal and anterior canals over time.

Throughout 2012 to 2014, conventional treatments fell short in resolving her symptoms, despite her undergoing canalith repositioning treatments (CRTs). Remarkably, in 2015, we noted a correlation between her self-treatment of vitamin D—at a dose of 5000 IU daily—and the subsequent resolution of her vertigo symptoms.

This case stands out not just because of the uncommon progression from single-canal to multi-canal BPPV, but also highlights the potential role of vitamin D in symptom management. It suggests that vitamin D might offer benefits for those suffering from dizziness related to vertigo, particularly in cases where traditional treatments are ineffective.
Read More
We explored the connection between vitamin D deficiency and dizziness following a successful left-sided stapedotomy. In our case study, a 56-year-old woman who underwent the stapedotomy for otosclerosis experienced postoperative dizziness a week later. Interestingly, this dizziness occurred mainly when she turned to her left side while lying in bed.

To understand her condition better, we conducted an electrophysiological assessment of her vestibular function, which revealed a typical response associated with benign paroxysmal positional vertigo (BPPV). Notably, we found that the patient had a deficiency in vitamin D levels in her serum.

After a 7-day treatment using Epley's maneuver, which is a common approach for BPPV, the patient's symptoms resolved completely. This highlights the importance of recognizing BPPV as a potential complication after stapes surgery, especially when vitamin D levels are low.

Our findings suggest that monitoring serum levels of total calcium and vitamin D could be crucial not only for understanding dizziness but also in preventing its recurrence after such surgeries.
Read More
9.5
Vitamin D3 reduces dizziness recurrences
We explored how normalization of vitamin D levels may impact the recurrence of dizziness caused by benign paroxysmal positional vertigo (BPPV). This case-control study included patients with a history of BPPV who had low serum vitamin D levels. We divided participants into two groups: one received additional vitamin D3, while both groups underwent Epley rehabilitation therapy.

Over the course of two months, the treatment group raised their vitamin D levels significantly, while the control group did not see any change. Following this treatment period, we observed a remarkable difference in the recurrence of BPPV attacks; the group receiving vitamin D3 experienced far fewer episodes compared to the control group.

Our results indicate that boosting vitamin D3 levels significantly reduces the number of recurrent dizziness episodes in patients with BPPV. This suggests that addressing vitamin D deficiency may play a key role in managing dizziness in affected patients.
Read More
We investigated how Vitamin D levels impact dizziness, specifically in individuals with Benign Paroxysmal Positional Vertigo (BPPV). This condition causes sudden episodes of vertigo, often triggered by changes in head position.

In our study, we enrolled 100 patients diagnosed with BPPV and measured their Vitamin D levels. Based on these measurements, we classified participants as having deficient, insufficient, or sufficient Vitamin D levels. Those with deficiencies received Vitamin D supplementation of 2000 IU daily for six months.

Over the course of a year, we followed these patients monthly, monitoring both the frequency and severity of their BPPV episodes using the Vertigo Symptom Scale. Our findings were quite significant: those with Vitamin D deficiency experienced BPPV at a rate of 71%, compared to only 20% in those who had sufficient Vitamin D levels. Moreover, the severity of vertigo symptoms was notably higher in the deficient group.

Importantly, we observed that supplementation appeared to reduce both the incidence and severity of BPPV episodes over time. This highlights the potential role of Vitamin D in supporting vestibular health and suggests it may be a valuable component of managing BPPV. However, further controlled studies are needed to fully understand these connections and their implications for patient care.
Read More
9
Vitamin D affects BPPV recurrence
We explored the connection between serum vitamin D levels and the recurrence of benign paroxysmal positional vertigo (BPPV), a leading cause of dizziness. In this study, we reviewed the medical charts of 50 patients diagnosed with BPPV, focusing on two distinct groups: those who experienced recurring episodes and those who did not.

Our findings revealed that the average serum vitamin D level in patients who had recurring BPPV was significantly lower (12.9 ng/mL) compared to those without recurrences (19.2 ng/mL). This suggests that lower vitamin D levels might be linked to a higher chance of dizziness from BPPV recurrences.

We also identified that a vitamin D level below 12.74 ng/mL was associated with a significantly higher recurrence rate of 70.5%, compared to just 22.5% for those above this threshold. This indicates that monitoring and managing vitamin D levels could be crucial for patients at risk for recurring episodes of BPPV.

In summary, our findings underline the potential importance of vitamin D in managing dizziness, particularly in individuals suffering from BPPV. It seems that keeping an adequate level of this vitamin might help reduce the risk of future vertigo episodes.
Read More

User Reviews

USERS' SCORE
Medium or Average
Based on 33 Reviews
6
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Dizziness relieved
146 people found this helpful
I've been taking it for four months. The capsules are easy to swallow, and I’m addressing my vitamin D3 deficiency. Dizziness has passed, though my joints still crunch. I recommend 5000 IU D3 for those with low levels.
Read More
9
Dizziness completely gone
11 people found this helpful
In my late fifties and not seeing enough sun in Singapore, I initially tried a lower dose of vitamin D with no results. After switching to 5000 IU, my dizziness completely disappeared and my joints feel better.
Read More
0
Headaches triggered
5 people found this helpful
This vitamin caused me a terrible headache, tachycardia, and dizziness. I switched to Vitamin Solaray D3 (5000) + K2 and experienced no side effects. Previously, I had no issues with D3 from California Nutrition.
Read More
9
Dizziness improved
4 people found this helpful
After four months of taking it, I feel great. My dizziness has improved, and my sleep pattern has normalised. I recommend 5000 IU D3 for low levels.
Read More
9
Dizziness improved greatly
2 people found this helpful
I had a vitamin D deficiency level of 8 in April, which improved to 50 after two months of taking it. I’m delighted and continue taking it daily.
Read More

Frequently Asked Questions

9
Dizziness resolved
My daughter had a vitamin D level of 21. After a week of taking the supplement, her weakness and dizziness improved significantly. Her pressure also stabilised, and we will retest her soon.
9
Dizziness relieved
146 people found this helpful
I've been taking it for four months. The capsules are easy to swallow, and I’m addressing my vitamin D3 deficiency. Dizziness has passed, though my joints still crunch. I recommend 5000 IU D3 for those with low levels.
9
Dizziness improved
4 people found this helpful
After four months of taking it, I feel great. My dizziness has improved, and my sleep pattern has normalised. I recommend 5000 IU D3 for low levels.
0
Dizziness with symptoms
I've been on this vitamin D3 for three weeks, but have recently experienced dizziness, vertigo, and abdominal twinges. Stopping for two days significantly improved my condition. I don't recommend this brand.
9
Dizziness completely gone
11 people found this helpful
In my late fifties and not seeing enough sun in Singapore, I initially tried a lower dose of vitamin D with no results. After switching to 5000 IU, my dizziness completely disappeared and my joints feel better.
7.5
Dizziness resolved
Vitamin D3 is effective! I've been taking it for four months, and it has really helped. I had issues with dizziness that have now diminished, and my sleep has normalised. Although I experienced some fatigue, it quickly passed. I also notice I'm not craving sweets anymore. I suggest everyone try 5000 IU D3. Wishing you all good health!
0
Headaches triggered
5 people found this helpful
This vitamin caused me a terrible headache, tachycardia, and dizziness. I switched to Vitamin Solaray D3 (5000) + K2 and experienced no side effects. Previously, I had no issues with D3 from California Nutrition.
0
Dizziness occurred
2 people found this helpful
I took a high dose of vitamin D every other day for two weeks but started feeling dizzy. I stopped, and dizziness passed after four days. I learned that overdose symptoms can occur with vitamin D.
0
Consistent dizziness observed
2 people found this helpful
After starting my daily intake of 5000 IU to raise my D levels, I experienced dizziness. Initially, I did not link it to the supplement, but discontinuing it relieved the symptom. I will look for an alternative as it did not suit me.
8
Vitamin D aids dizziness reduction
We explored the effects of vitamin D supplementation on dizziness, particularly focusing on older adults diagnosed with Benign Paroxysmal Positional Vertigo (BPPV). In a well-structured clinical trial, we compared two groups: one received vitamin D alongside dietary interventions and standard care, while the other had just dietary support and standard care.

Our primary goal was to determine whether vitamin D could reduce falls, fear of falling, and improve physical function in patients suffering from BPPV. Throughout the study, we made significant observations, including a reduction in the recurrence rates of BPPV and improved performance in functional tasks, like the 5x chair stand test, among those receiving vitamin D.

Interestingly, participants who did not experience any falls during the follow-up expressed a lower fear of falling, which opens up avenues for further investigation. Overall, the findings suggested that vitamin D supplementation linked with standard care has a positive impact, reducing dizziness occurrences and enhancing physical capabilities.
We investigated how Vitamin D levels impact dizziness, specifically in individuals with Benign Paroxysmal Positional Vertigo (BPPV). This condition causes sudden episodes of vertigo, often triggered by changes in head position.

In our study, we enrolled 100 patients diagnosed with BPPV and measured their Vitamin D levels. Based on these measurements, we classified participants as having deficient, insufficient, or sufficient Vitamin D levels. Those with deficiencies received Vitamin D supplementation of 2000 IU daily for six months.

Over the course of a year, we followed these patients monthly, monitoring both the frequency and severity of their BPPV episodes using the Vertigo Symptom Scale. Our findings were quite significant: those with Vitamin D deficiency experienced BPPV at a rate of 71%, compared to only 20% in those who had sufficient Vitamin D levels. Moreover, the severity of vertigo symptoms was notably higher in the deficient group.

Importantly, we observed that supplementation appeared to reduce both the incidence and severity of BPPV episodes over time. This highlights the potential role of Vitamin D in supporting vestibular health and suggests it may be a valuable component of managing BPPV. However, further controlled studies are needed to fully understand these connections and their implications for patient care.
9
Vitamin D aids BPPV treatment
We investigated the impact of vitamin D supplementation on dizziness, specifically in individuals suffering from benign paroxysmal positional vertigo, commonly known as BPPV. Through a clinical study, we closely examined a group of patients diagnosed with BPPV, assessing their dizziness intensity using a simple scoring system.

Our findings highlighted that vitamin D deficient patients, who received weekly doses of vitamin D alongside rehabilitation, experienced a prolonged improvement in their vertigo symptoms compared to those who did not receive the vitamin. While both groups showed significant reduction in dizziness after two months, the benefits for those who had vitamin D supplementation remained stable even at six months’ follow-up, while the non-treated group saw a return of their symptoms to previous levels.

This suggests that correcting vitamin D deficiency not only plays a beneficial role in managing BPPV but also enhances the effectiveness of traditional rehabilitation methods, like the Epley maneuver, used in treating this condition. Overall, our observations point to the importance of checking vitamin D levels in patients who frequently experience BPPV for better treatment outcomes.
We aimed to understand how vitamin D supplementation influences dizziness, particularly in patients suffering from benign paroxysmal positional vertigo (BPPV). Our study included 35 individuals with low vitamin D levels—specifically, under 30 ng/ml—who exhibited BPPV symptoms.

Participants were split into two groups: one group received traditional repositioning maneuvers, while the other group had these maneuvers complemented by vitamin D supplements. Over a follow-up period ranging from 6 to 13 months, we observed that the group receiving vitamin D had fewer instances of dizziness recurrence.

Additionally, scores from the Dizziness Handicap Inventory highlighted a significant improvement, with the vitamin D group reporting a lower average score compared to the control group. This suggests that restoring vitamin D levels could enhance the quality of life for individuals grappling with BPPV.

We concluded that BPPV might not solely be an ear-related issue, but could also be impacted by vitamin D. Thus, addressing vitamin D deficiency in these patients could pave the way for better management of their symptoms.
8
Vitamin D may reduce BPPV recurrence
We explored the relationship between vitamin D levels and benign paroxysmal positional vertigo (BPPV), a condition that causes sudden and intense spinning sensations when we change head positions. The research sets out to assess whether vitamin D supplementation can help prevent the recurrence of this dizzying disorder.

Through a thorough literature review, we uncovered that vitamin D deficiency is linked to increased episodes of BPPV. The studies we examined revealed that recurrence rates varied significantly, ranging from about 13.7% in shorter follow-ups to as high as 65% when following patients for two years or more. Factors like age, sex, hypertension, and specifically, vitamin D levels all seem to play a role in how often people experience these dizzy spells.

Encouragingly, recent findings suggest that vitamin D supplementation can reduce both the number of patients experiencing relapses and the frequency of episodes for those who do. However, we recognize the need for further studies involving larger groups and diverse populations to fully validate these promising results.

In summary, while vitamin D seems to influence the recurrence of BPPV, we must be cautious and continue researching to understand its full impact.
We conducted a double-blinded, randomized controlled trial to examine the effect of vitamin D on dizziness associated with Benign Paroxysmal Positional Vertigo (BPPV) in older adults. The study included a group of participants who were vitamin D deficient, randomly assigned to either receive vitamin D treatment or a placebo over a 26-week period.

Our findings showed an impressive 87% reduction in BPPV recurrence rates among those who received vitamin D compared to the placebo group. Moreover, the treatment group experienced significantly longer intervals before experiencing a first recurrence of dizziness. However, there was no notable difference in outcomes when we compared the treatment group with those who had adequate vitamin D levels.

Ultimately, these results suggest that vitamin D supplementation could play a vital role in managing BPPV episodes, which may lead to reduced fall risks among older adults. As persistent dizziness can severely impact balance and stability, addressing vitamin D deficiency could be an essential part of care for seniors suffering from BPPV.
We observed that our study focused on understanding the potential link between vitamin D levels and benign paroxysmal positional vertigo (BPPV), a common cause of dizziness. Over the course of one year at Indira Gandhi Medical College and Hospital, we included 44 patients who tested positive for BPPV and an equal number of controls who did not exhibit dizziness.

Through blood tests, we found that patients with BPPV had significantly lower levels of vitamin D compared to our control group. Specifically, the average vitamin D level in those with BPPV was around 28, while it was nearly 39 in the controls. This suggests a possible connection between low vitamin D levels and the occurrence of BPPV.

However, when we looked at serum calcium and uric acid levels, we discovered no significant differences between the case and control groups. These findings imply that while low vitamin D levels might play a role in BPPV, there isn't enough evidence to suggest that calcium or uric acid levels have any effect.

Overall, this raises an interesting point about the potential benefit of vitamin D supplementation in helping to prevent BPPV or its recurrence. Still, more research is needed to fully understand these dynamics and to confirm whether vitamin D treatment can alleviate dizziness effectively.
9.5
Vitamin D may alleviate dizziness
We observed a unique case of a 35-year-old woman experiencing non-traumatic multicanal benign paroxysmal positional vertigo (BPPV). Initially diagnosed with unilateral posterior canal BPPV, her condition evolved to include both horizontal and anterior canals over time.

Throughout 2012 to 2014, conventional treatments fell short in resolving her symptoms, despite her undergoing canalith repositioning treatments (CRTs). Remarkably, in 2015, we noted a correlation between her self-treatment of vitamin D—at a dose of 5000 IU daily—and the subsequent resolution of her vertigo symptoms.

This case stands out not just because of the uncommon progression from single-canal to multi-canal BPPV, but also highlights the potential role of vitamin D in symptom management. It suggests that vitamin D might offer benefits for those suffering from dizziness related to vertigo, particularly in cases where traditional treatments are ineffective.

References

  1. Huang X, Chua KW, Moh SPS, Yuen HW, Low DYM, et al. Falls and physical function in older patients with Benign Paroxysmal Positional Vertigo (BPPV): findings from a placebo controlled, double blinded randomized control trial (RCT) investigating efficacy of vitamin D treatment in lowering the recurrence rate of BPPV. Aging Clin Exp Res. 2025;37:43. 10.1007/s40520-025-02938-4
  2. Kumar S, Dutta A, Biradar K, Gupta M. Evaluating the Vitamin D Deficiency-BPPV Link: Correlation or Causation?. Indian J Otolaryngol Head Neck Surg. 2024;76:5263. 10.1007/s12070-024-04961-9
  3. Aygun D, Dumur S, Elgormus MN, Alpaslan MS, Uzun H. Serum Otoconin-90 and Otolin-1 Concentrations in Benign Paroxysmal Positional Vertigo. Biomolecules. 2024;14. 10.3390/biom14101279
  4. Lin T, Wu C, Zhang L, Ding L. Association of vitamin-D deficiency with vestibular function in patients with idiopathic benign paroxysmal positional vertigo. J Laryngol Otol. 2025;139:40. 10.1017/S0022215124001282
  5. Chua KW, Huang X, Koh XH, Soh JFJY, Barrera VC, et al. Randomized Controlled Trial Assessing Vitamin D's Role in Reducing BPPV Recurrence in Older Adults. Otolaryngol Head Neck Surg. 2025;172:127. 10.1002/ohn.954
  6. Chu C, Chan YM, Tang J. Clinical Outcomes in Patients With Benign Paroxysmal Positional Vertigo and Vitamin D Deficiency: A Singaporean Perspective. Cureus. 2024;16:e60325. 10.7759/cureus.60325
  7. Abedi MS, Flink TS, Roca CP. A Rare Presentation of Multicanal Benign Paroxysmal Positional Vertigo in a Premenopausal Woman With Osteopenia: A Case Report. Cureus. 2024;16:e55421. 10.7759/cureus.55421
  8. Rhim G, Kim MJ. Vitamin D Supplementation and Recurrence of Benign Paroxysmal Positional Vertigo. Nutrients. 2024;16. 10.3390/nu16050689
  9. Saeed Al-Rawi TS, Al-Ani RM. Vitamin D Deficiency and the Risk of Recurrent Benign Paroxysmal Positional Vertigo. Cureus. 2024;16:e52433. 10.7759/cureus.52433
  10. Chauhan I, Sidhu J, Lal B, Dhadwal M, Azad R. Role of Serum Markers in Benign Paroxysmal Positional Vertigo: Are They Useful?. Indian J Otolaryngol Head Neck Surg. 2023;75:1731. 10.1007/s12070-023-03727-z
  11. Zubčić Ž, Včeva A, Mendeš T, Maleš J, Mihalj H, et al. SUCCESSFUL REPOSITIONING PROCEDURE FOR BENIGN PAROXYSMAL POSITIONAL VERTIGO AFTER STAPEDOTOMY. Acta Clin Croat. 2022;61:547. 10.20471/acc.2022.61.03.22
  12. Sharma K, Ojha T, Dabaria R, Chhabra B, Trivedi BB, et al. Relation Between Posterior Canal Benign Paroxysmal Positional Vertigo and Vitamin D Deficiency. Indian J Otolaryngol Head Neck Surg. 2022;74:4405. 10.1007/s12070-021-03070-1
  13. Shin HI, Park Y, Lee HJ, Jeon EJ. Correlation between serum vitamin D level and benign paroxysmal positional vertigo recurrence. Auris Nasus Larynx. 2023;50:700. 10.1016/j.anl.2022.12.017
  14. Mancera Sánchez J, Hernaiz Leonardo JC, Ishiwara Niembro JK, Lesser JC. Therapeutic Effect of the Correction of Vitamin D Deficiency in Patients with Benign Paroxysmal Positional Vertigo. A Randomized Clinical Trial. Int Arch Otorhinolaryngol. 2022;26:e666. 10.1055/s-0041-1730992
  15. Libonati GA, Leone A, Martellucci S, Gallo A, Albera R, et al. Prevention of Recurrent Benign Paroxysmal Positional Vertigo: The Role of Combined Supplementation with Vitamin D and Antioxidants. Audiol Res. 2022;12:445. 10.3390/audiolres12040045
  16. Hong X, Christ-Franco M, Moher D, Tse D, Lelli DA, et al. Vitamin D Supplementation for Benign Paroxysmal Positional Vertigo: A Systematic Review. Otol Neurotol. 2022;43:e704. 10.1097/MAO.0000000000003586
  17. Gu X, Dong F, Gu J. Analysis of effect of 1α-hydroxyvitamin D3 on benign paroxysmal positional vertigo and risk factors. Exp Ther Med. 2018;15:2321. 10.3892/etm.2018.5699
  18. Sheikhzadeh M, Lotfi Y, Mousavi A, Heidari B, Bakhshi E. The effect of serum vitamin D normalization in preventing recurrences of benign paroxysmal positional vertigo: A case-control study. Caspian J Intern Med. 2016;7:173.
  19. Sheikhzadeh M, Lotfi Y, Mousavi A, Heidari B, Monadi M, et al. Influence of supplemental vitamin D on intensity of benign paroxysmal positional vertigo: A longitudinal clinical study. Caspian J Intern Med. 2016;7:93.
  20. Talaat HS, Kabel AM, Khaliel LH, Abuhadied G, El-Naga HA, et al. Reduction of recurrence rate of benign paroxysmal positional vertigo by treatment of severe vitamin D deficiency. Auris Nasus Larynx. 2016;43:237. 10.1016/j.anl.2015.08.009
  21. Mori K, Niimura S, Mizuno K. [A case of idiopathic hypoparathyroidism complicated with chronic thyroiditis]. Nihon Naibunpi Gakkai Zasshi. 1991;67:1339.
image