Vitamin b12 dosage for adults

Vitamin B12 is a medication that prevents and treats low vitamin B12 levels in your body. Vitamin B12 maintains the health of your nervous system and red blood cells. This medication helps people who don’t get enough vitamin B12 in their diet or their body doesn’t absorb enough of the vitamin regularly. What is this medication? VITAMIN B12 (VAHY tuh min B12) prevents and treats low vitamin B12 levels in your body. It is used in people who do not get enough vitamin B12 from their diet or when their digestive tract does not absorb enough. Vitamin B12 plays an important role in maintaining the health of your nervous system and red blood cells. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions. What should I tell my care team before I take this medication? They need to know if you have any of these conditions: • Anemia • Kidney disease • Leber's disease • Malabsorption disorder • An unusual or allergic reaction to cyanocobalamin, cobalt, other medications, foods, dyes, or preservatives • Pregnant or trying to get pregnant • Breast-feeding How should I use this medication? Take this medication by mouth with a glass of water. Follow the directions on the package or prescription label. If you are taking the tablets, do not chew, cut, or crush this medication. If using a vitamin solution, use a specially marked spoon or dropper to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not ac...

• A rare inherited condition marked by vitamin B12 deficiency (Imerslund-Grasbeck disease). Injecting vitamin B12 as a shot for 10 days followed by monthly injections is effective for treating this condition. Vitamin B12 shots can only be given by a • Vitamin B12 deficiency. Taking vitamin B12 by Likely Effective for • Decline in memory and thinking skills that occurs normally with age. Taking vitamin B12 by mouth, alone or with folic acid and vitamin B6, doesn't seem to improve mental function in elderly people. • Alzheimer disease. Taking vitamin B12 by mouth, alone or with folic acid and vitamin B6, doesn't seem to improve mental function in people with Alzheimer disease. • • Disorders that affect when a person sleeps and when they are awake. Taking vitamin B12 by mouth does not seem to help people with • Decline in memory and thinking skills in older people that is more than what is normal for their age. Taking vitamin B12 by mouth, alone or with folic acid and vitamin B6, doesn't seem to improve memory and thinking skills in elderly people who have a decline in these skills. • Fall prevention. Taking folic acid with vitamin B12 by mouth doesn't seem to prevent falls in older people also taking • Weak and brittle bones (osteoporosis). Taking vitamin B12 and folic acid by mouth, with or without vitamin B6, doesn't seem to reduce • Physical performance in elderly adults. Taking vitamin B12 and folic acid by mouth doesn't seem to help improve physical function in older pe...

Dosage Forms & Strengths tablet • 100mcg • 250mcg • 500mcg • 1000mcg tablet, extended release • 1000mcg tablet, sublingual • 2500mcg injectable solution • 1000mcg/mL nasal spray • 500mcg/spray Nutritional Supplementation Recommended daily allowance (RDA) >19 years: 2.4 mcg Pregnant women: 2.6 mcg Breastfeeding women: 2.8 mcg Dietary supplement: 50-6,000 mcg/day Pernicious Anemia Manufacturer recommendation: 100 mcg IM/SC once daily for 6-7 days, then every other day for 7 doses, then every 3-4 days for 2-3 weeks, then monthly Alternative parenteral dosing: 1000 mcg IM/SC once daily for 7 days, then weekly for 1 month, then monthly Nasal spray: 500 mcg (1 spray in 1 nostril) weekly; if patient is taking hot meals, spray should be administered 1 hour before or after meal B12 Deficiency Initial: 30 mcg IM once daily for 5-10 days Maintenance: 100-200 mcg IM monthly Nasal dose: 500 mcg once weekly Limitations of use • Nasal spray should not be used for the vitamin B12 absorption test (Schilling test). • In patients with correctible or temporary causes of vitamin B12 deficiency, the benefit of continued long­term use of nasal spray following adequate correction of vitamin B12 deficiency and underlying disease has not been established • The effectiveness of nasal spray in patients with active symptoms of nasal congestion, allergic rhinitis or upper respiratory infection has not been determined; treatment with nasal spray should be deferred until symptoms subsided Dosing modifica...

• A rare inherited condition marked by vitamin B12 deficiency (Imerslund-Grasbeck disease). Injecting vitamin B12 as a shot for 10 days followed by monthly injections is effective for treating this condition. Vitamin B12 shots can only be given by a • Vitamin B12 deficiency. Taking vitamin B12 by Likely Effective for • Decline in memory and thinking skills that occurs normally with age. Taking vitamin B12 by mouth, alone or with folic acid and vitamin B6, doesn't seem to improve mental function in elderly people. • Alzheimer disease. Taking vitamin B12 by mouth, alone or with folic acid and vitamin B6, doesn't seem to improve mental function in people with Alzheimer disease. • • Disorders that affect when a person sleeps and when they are awake. Taking vitamin B12 by mouth does not seem to help people with • Decline in memory and thinking skills in older people that is more than what is normal for their age. Taking vitamin B12 by mouth, alone or with folic acid and vitamin B6, doesn't seem to improve memory and thinking skills in elderly people who have a decline in these skills. • Fall prevention. Taking folic acid with vitamin B12 by mouth doesn't seem to prevent falls in older people also taking • Weak and brittle bones (osteoporosis). Taking vitamin B12 and folic acid by mouth, with or without vitamin B6, doesn't seem to reduce • Physical performance in elderly adults. Taking vitamin B12 and folic acid by mouth doesn't seem to help improve physical function in older pe...

Vitamin B12 is a medication that prevents and treats low vitamin B12 levels in your body. Vitamin B12 maintains the health of your nervous system and red blood cells. This medication helps people who don’t get enough vitamin B12 in their diet or their body doesn’t absorb enough of the vitamin regularly. What is this medication? VITAMIN B12 (VAHY tuh min B12) prevents and treats low vitamin B12 levels in your body. It is used in people who do not get enough vitamin B12 from their diet or when their digestive tract does not absorb enough. Vitamin B12 plays an important role in maintaining the health of your nervous system and red blood cells. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions. What should I tell my care team before I take this medication? They need to know if you have any of these conditions: • Anemia • Kidney disease • Leber's disease • Malabsorption disorder • An unusual or allergic reaction to cyanocobalamin, cobalt, other medications, foods, dyes, or preservatives • Pregnant or trying to get pregnant • Breast-feeding How should I use this medication? Take this medication by mouth with a glass of water. Follow the directions on the package or prescription label. If you are taking the tablets, do not chew, cut, or crush this medication. If using a vitamin solution, use a specially marked spoon or dropper to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not ac...

Dosage Forms & Strengths tablet • 100mcg • 250mcg • 500mcg • 1000mcg tablet, extended release • 1000mcg tablet, sublingual • 2500mcg injectable solution • 1000mcg/mL nasal spray • 500mcg/spray Nutritional Supplementation Recommended daily allowance (RDA) >19 years: 2.4 mcg Pregnant women: 2.6 mcg Breastfeeding women: 2.8 mcg Dietary supplement: 50-6,000 mcg/day Pernicious Anemia Manufacturer recommendation: 100 mcg IM/SC once daily for 6-7 days, then every other day for 7 doses, then every 3-4 days for 2-3 weeks, then monthly Alternative parenteral dosing: 1000 mcg IM/SC once daily for 7 days, then weekly for 1 month, then monthly Nasal spray: 500 mcg (1 spray in 1 nostril) weekly; if patient is taking hot meals, spray should be administered 1 hour before or after meal B12 Deficiency Initial: 30 mcg IM once daily for 5-10 days Maintenance: 100-200 mcg IM monthly Nasal dose: 500 mcg once weekly Limitations of use • Nasal spray should not be used for the vitamin B12 absorption test (Schilling test). • In patients with correctible or temporary causes of vitamin B12 deficiency, the benefit of continued long­term use of nasal spray following adequate correction of vitamin B12 deficiency and underlying disease has not been established • The effectiveness of nasal spray in patients with active symptoms of nasal congestion, allergic rhinitis or upper respiratory infection has not been determined; treatment with nasal spray should be deferred until symptoms subsided Dosing modifica...

Dosage Forms & Strengths tablet • 100mcg • 250mcg • 500mcg • 1000mcg tablet, extended release • 1000mcg tablet, sublingual • 2500mcg injectable solution • 1000mcg/mL nasal spray • 500mcg/spray Nutritional Supplementation Recommended daily allowance (RDA) >19 years: 2.4 mcg Pregnant women: 2.6 mcg Breastfeeding women: 2.8 mcg Dietary supplement: 50-6,000 mcg/day Pernicious Anemia Manufacturer recommendation: 100 mcg IM/SC once daily for 6-7 days, then every other day for 7 doses, then every 3-4 days for 2-3 weeks, then monthly Alternative parenteral dosing: 1000 mcg IM/SC once daily for 7 days, then weekly for 1 month, then monthly Nasal spray: 500 mcg (1 spray in 1 nostril) weekly; if patient is taking hot meals, spray should be administered 1 hour before or after meal B12 Deficiency Initial: 30 mcg IM once daily for 5-10 days Maintenance: 100-200 mcg IM monthly Nasal dose: 500 mcg once weekly Limitations of use • Nasal spray should not be used for the vitamin B12 absorption test (Schilling test). • In patients with correctible or temporary causes of vitamin B12 deficiency, the benefit of continued long­term use of nasal spray following adequate correction of vitamin B12 deficiency and underlying disease has not been established • The effectiveness of nasal spray in patients with active symptoms of nasal congestion, allergic rhinitis or upper respiratory infection has not been determined; treatment with nasal spray should be deferred until symptoms subsided Dosing modifica...

Vitamin B12 is a medication that prevents and treats low vitamin B12 levels in your body. Vitamin B12 maintains the health of your nervous system and red blood cells. This medication helps people who don’t get enough vitamin B12 in their diet or their body doesn’t absorb enough of the vitamin regularly. What is this medication? VITAMIN B12 (VAHY tuh min B12) prevents and treats low vitamin B12 levels in your body. It is used in people who do not get enough vitamin B12 from their diet or when their digestive tract does not absorb enough. Vitamin B12 plays an important role in maintaining the health of your nervous system and red blood cells. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions. What should I tell my care team before I take this medication? They need to know if you have any of these conditions: • Anemia • Kidney disease • Leber's disease • Malabsorption disorder • An unusual or allergic reaction to cyanocobalamin, cobalt, other medications, foods, dyes, or preservatives • Pregnant or trying to get pregnant • Breast-feeding How should I use this medication? Take this medication by mouth with a glass of water. Follow the directions on the package or prescription label. If you are taking the tablets, do not chew, cut, or crush this medication. If using a vitamin solution, use a specially marked spoon or dropper to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not ac...

• A rare inherited condition marked by vitamin B12 deficiency (Imerslund-Grasbeck disease). Injecting vitamin B12 as a shot for 10 days followed by monthly injections is effective for treating this condition. Vitamin B12 shots can only be given by a • Vitamin B12 deficiency. Taking vitamin B12 by Likely Effective for • Decline in memory and thinking skills that occurs normally with age. Taking vitamin B12 by mouth, alone or with folic acid and vitamin B6, doesn't seem to improve mental function in elderly people. • Alzheimer disease. Taking vitamin B12 by mouth, alone or with folic acid and vitamin B6, doesn't seem to improve mental function in people with Alzheimer disease. • • Disorders that affect when a person sleeps and when they are awake. Taking vitamin B12 by mouth does not seem to help people with • Decline in memory and thinking skills in older people that is more than what is normal for their age. Taking vitamin B12 by mouth, alone or with folic acid and vitamin B6, doesn't seem to improve memory and thinking skills in elderly people who have a decline in these skills. • Fall prevention. Taking folic acid with vitamin B12 by mouth doesn't seem to prevent falls in older people also taking • Weak and brittle bones (osteoporosis). Taking vitamin B12 and folic acid by mouth, with or without vitamin B6, doesn't seem to reduce • Physical performance in elderly adults. Taking vitamin B12 and folic acid by mouth doesn't seem to help improve physical function in older pe...