Allergic rhinitis Vitamin D Allergic rhinitis
Conditions
Interventions
vitamin D2 20,000 IU 1 tab per day for 4 weeks,Inactive ingredients: Tapioca starch, Lactose, Talc, Gelatin capsule
Experimental Drug,Placebo Comparator Drug
vitamin D2 20,000 IU,placebo
Sponsors
Department of otorhinolaryngology, Phramongkutklao Hospital
Eligibility
Sex/Gender
All
Age
20 Years to No maximum
Inclusion criteria
Inclusion criteria: 1 Age at least 20 year old 2 Diagnosed allergic rhinitis by doctor from department of otorhonolaryngology at Phramongkutklao hospital with at least 1 symptom (rhinorrhea, nasal congestion, sneezing or itching) and Skin Prick test positive 3 ability in communication by listening, speaking, reading and writing thai 4 available to contact by phone 5 willing to participate in the research
Exclusion criteria
Exclusion criteria: 1 diagnosed chronic rhinosinusitis or asthma 2 contraindication for vitamin D included Hyperparathyroidism, Hypercalcemia, Hyperphosphatemia or Kidney stones 3 Vitamin D level more than 30 ng/ml 4 Diagnosed Malabsorption included Short bowel, History of gastric bypass or Chronic pancreatitis 5 Impaired renal function 6 Prenant or lactation 7 use vitamin D supplemement in 3 months 8. Allergic rhinitis VAS score <2
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| severity of allergic rhinitis 4 weeks VAS score | — |
Secondary
| Measure | Time frame |
|---|---|
| Absolute Eosinophil count 4 weeks Absolute Eosinophil count,Platelet count 4 weeks Platelet count | — |
Countries
Thailand
Contacts
Public ContactPiengkwan Panutrakul
Phramongkutklao hospital
Outcome results
None listed