Vitamin D2 Alternatives Compared
| Vitamin D2 (ergocalciferol) | Calcitriol | Calcium carbonate |
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| Vitamin D2 (ergocalciferol) | Calcitriol | Calcium carbonate |
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Prescription and OTC
Prescribed for Hypoparathyroidism, Hypocalcemia, Hypophosphatemia, Familial Hypophosphatemia, Osteomalacia, Renal Osteodystrophy, Rickets, Vitamin D Deficiency, Vitamin/Mineral Supplementation and... View more |
Prescription only
Prescribed for Secondary Hyperparathyroidism, Hypoparathyroidism, Renal Osteodystrophy, Rickets, Hypocalcemia. Calcitriol may also be used for purposes not listed in this medication guide. |
Over-the-counter
Prescribed for GERD, Osteoporosis, Erosive Esophagitis, Hypocalcemia, Osteopenia, Indigestion, Stomach Ulcer, Duodenal Ulcer. Calcium carbonate may also be used for purposes not listed in this... View more |
Related suggestions Hypocalcemia
Popular comparisons
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| More about (ergocalciferol) | More about Calcitriol | More about Calcium carbonate | ||||||||||||||||||||||||
| Ratings & Reviews | ||||||||||||||||||||||||||
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Vitamin D2 has an average rating of 6.4 out of 10 from a total of 9 ratings on Drugs.com. 50% of reviewers reported a positive effect, while 38% reported a negative effect. |
Calcitriol has an average rating of 7.6 out of 10 from a total of 8 ratings on Drugs.com. 57% of reviewers reported a positive effect, while 0% reported a negative effect. |
Calcium carbonate has an average rating of 7.6 out of 10 from a total of 20 ratings on Drugs.com. 74% of reviewers reported a positive effect, while 16% reported a negative effect. |
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| Generic Availability | ||||||||||||||||||||||||||
| Lower cost generic approved |
Lower cost generic |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | ||||||||||||||||||||||||||
View all Vitamin D2 prices |
View all Calcitriol prices |
View all Calcium carbonate prices |
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| Dosage Forms Available | ||||||||||||||||||||||||||
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| Brand Names | ||||||||||||||||||||||||||
| Other ergocalciferol brands include: Calcidol, Calciferol, Drisdol | Rocaltrol | Alcalak, Alka-Seltzer Cool Action Heartburn Relief Gum, Alka-Seltzer Heartburn ReliefChews, Alkets, Alkums, Ami-Lac, Amitone, Cal Oys, Cal-Gest, Cal-Mint, Calcarb, Calci Mix, Calci-Chew, Calcid, Calcitab, Calcium Concentrate, Calcium Liquid Softgel, Calcium Oyster, Calcium Oyster Shell, Caltrate, Caltro, Chooz, D-Cal, Dicarbosil, Equilet, Icar Prenatal Chewable Calcium, Maalox Children's Relief, Maalox Regular Strength, Oysco 500, Oyster Cal, Oyster Calcium, Oyster Shell, Oyster Shell Calcium, Oyster Shell Calcium 500, Titralac, Trial Antacid, Tums Antacid Naturals, Tums Chewy Bites, Tums Chewy Bites Ultra Strength, Tums Chewy Delights, Tums Extra Strength 750, Tums Freshers, Tums Kids, Tums Regular Strength, Tums Smoothies, Tums Smoothies Extra Strength, Tums Sugar-Free, Tums Ultra 1000 View more | ||||||||||||||||||||||||
| Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. | ||||||||||||||||||||||||||
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N/A |
8 hours |
N/A |
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| CSA Schedule ** View glossary of terms | ||||||||||||||||||||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
Not a controlled drug
Is not subject to the Controlled Substances Act. |
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| Pregnancy Category | ||||||||||||||||||||||||||
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Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
Category N
Not classified
See the full pregnancy warnings document. |
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| Drug Interactions | ||||||||||||||||||||||||||
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A total of 73 drugs are known to interact with Vitamin D2:
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A total of 76 drugs are known to interact with Calcitriol:
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A total of 222 drugs are known to interact with Calcium carbonate:
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| Alcohol/Food/Lifestyle Interactions | ||||||||||||||||||||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | ||||||||||||||||||||||||||
| First Approval Date | ||||||||||||||||||||||||||
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N/A |
August 17, 1978 |
N/A |
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| WADA Class View World Anti-Doping Agency classifications. | ||||||||||||||||||||||||||
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N/A |
N/A |
N/A |
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N/A |
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| Related Treatment Guide | ||||||||||||||||||||||||||
** The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.