Aloe Vera + Vitamin A + Vitamin E Pharmacology

Aloe Vera + Vitamin A + Vitamin E

About Aloe Vera + Vitamin A + Vitamin E
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Mechanism of Action of Aloe Vera + Vitamin A + Vitamin E
Aloe Vera:Rejuvenates & nourishes promoting Healthy skin
Vitamin A:Reduces wrinkles revealing Youthful Radiant skin
Vitamin E:Antioxidant activity guards against Airborne pollutants
Pharmacokinets of Aloe Vera + Vitamin A + Vitamin E
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Onset of Action for Aloe Vera + Vitamin A + Vitamin E
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Duration of Action for Aloe Vera + Vitamin A + Vitamin E
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Half Life of Aloe Vera + Vitamin A + Vitamin E
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Side Effects of Aloe Vera + Vitamin A + Vitamin E
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Contra-indications of Aloe Vera + Vitamin A + Vitamin E
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Special Precautions while taking Aloe Vera + Vitamin A + Vitamin E
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Pregnancy Related Information
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Old Age Related Information
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Breast Feeding Related Information
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Children Related Information
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Indications for Aloe Vera + Vitamin A + Vitamin E
For soothening and healing of Dry or Cracked skin rashes, chapping, chafing, burning and diaper rash.
Interactions for Aloe Vera + Vitamin A + Vitamin E
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Typical Dosage for Aloe Vera + Vitamin A + Vitamin E
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Schedule of Aloe Vera + Vitamin A + Vitamin E
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Storage Requirements for Aloe Vera + Vitamin A + Vitamin E
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Effects of Missed Dosage of Aloe Vera + Vitamin A + Vitamin E
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Effects of Overdose of Aloe Vera + Vitamin A + Vitamin E
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About
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Contra-indications of
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Special Precautions while taking
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Pregnancy Related Information
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Old Age Related Information
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Breast Feeding Related Information
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Children Related Information
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Indications for
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Typical Dosage for
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Schedule of
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Effects of Missed Dosage of
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Effects of Overdose of
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Vitamin A

About Vitamin A
Fat-soluble vitamin, Treatment of vitamin A deficiency.
Mechanism of Action of Vitamin A
Vitamin A is required for a variety of physiological functions in the body such as: - 1).Proper functioning of retina and formation of pigment Rhodopsin during dark adaptation. 2).promotes differentiation and maintains structural integrity of epithelia over the body and also retard the malignancies of epithelial structures.3).Promotes mucous secretion. 4).Inhibits keratinization, 5). Maintains proper bone growth, 6).Maintenance of spermatogenesis, 7).Supports foetal development, 8).Improves resistance to infection. It is required for proper antibody response, normal lymphocyte proliferation and killer cell function.
Pharmacokinets of Vitamin A
Absorption: Completely absorbed normally. Steatorrhoea, bile deficiency, and protein poor diet adversely affects the absorption and absorption requires bile salts, pancreatic lipase, and dietary fat.
Distribution: Stored primarily as palmitate in kupffer`s cells in liver. Circulates in the form of specific alpha-1 protein; retinol binding protein and transported to cellular retinol binding protein of target cells.
Metabolism: Metabolized in the liver.
Excretion: Excreted mainly through bile and a small amount is excreted through urine.
Onset of Action for Vitamin A
N/A
Duration of Action for Vitamin A
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Half Life of Vitamin A
N/A
Side Effects of Vitamin A
Adverse effects occurs only with higher doses and toxicity
1. Nausea
2. Vomiting
3. Itching
4. Dermatitis
5. Exfoliation
6. Alopecia
7. Bone and joint pain
8. Anorexia
9. Irritability
10. Increased intracranial pressure
11. Hepatic impairment
12. Anaphylactic shock
Contra-indications of Vitamin A
1. Hypervitaminosis A
2. Hypersensitivity to the vitamin A
Special Precautions while taking Vitamin A
1. Oral form should not use in patients with malabsorption syndrome.
2. In inadequate bile secretion oral route may be used with concurrent administration of bile salts.
3. I. V. route is contraindicated except for special water miscible forms intended for infusion with large parenteral volumes and should not use I. V. push of vitamin A of any type.
Pregnancy Related Information
Use with caution
Old Age Related Information
Use with caution
Breast Feeding Related Information
Use with caution
Children Related Information
Use with caution
Indications for Vitamin A
1. Vitamin A deficiency
2. Xerophthalmia
3. Acne
4. Ichthyosis
5. Bitot`s spots
6. Night blindness
Interactions for Vitamin A
Cholestyramine: Absorption of Vitamin A is reduced due to reduced availability of fat stabilizing bile salts.
Mineral oil: Interferes with intestinal absorption of Vitamin A.
Oral Contraceptives: Plasma Vitamin A levels are significantly increased.
Typical Dosage for Vitamin A
Severe vitamin A deficiency with xerophthalmia: 500000 IU daily for 3 days followed by 50000 IU daily for 14 days. Then maintenance dosage of 10000 to 20000 IU for 2months followed by adequate dietary nutrition and RDA vitamin A supplements.
Severe vitamin A deficiency: 100000 IU daily for 3 days followed by 50000 IU daily for 14 days. Then maintenance dosage of 10000 to 20000 IU for 2months followed by adequate dietary nutrition and RDA vitamin A supplements.
Children: 5000 to 10000 IU daily for 14 days.
Schedule of Vitamin A
C1 (Oral)
C (Parenteral)
Storage Requirements for Vitamin A
Store in a well closed, airtight container in a cool dry place.
Effects of Missed Dosage of Vitamin A
Take the missed dose as soon as noticed and if it is the time for next dose then skip the missed dose. Continue the regular schedule. Do not double the dose.
Effects of Overdose of Vitamin A
Discontinue the vitamin A if hypercalcaemia persists and administer I.V. saline, prednisolone, and calcitonin if required. Monitor hepatic function tests to detect liver damage.

Vitamin E

About Vitamin E
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Mechanism of Action of Vitamin E
Vitamin E acts as an antioxidant and protecting unsaturated lipids in the cell membrane, coenzyme Q, vitamin A, vitamin C etc. from free radical oxidation damage and generation of toxic peroxidation products. It also decreases platelet aggregation.
Pharmacokinets of Vitamin E
Absorption: Absorbed through lymph with the help of bile. Only 20 to 60% of vitamin from dietary sources is absorbed. As dose increases the fraction absorbed decreases.
Distribution: Widely distributed in a protein bound form and stored in adipose tissue.
Metabolism: Metabolized in liver by glucuronide conjugation.
Excretion: Excreted mainly through bile and also excreted through urine.
Onset of Action for Vitamin E
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Duration of Action for Vitamin E
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Half Life of Vitamin E
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Side Effects of Vitamin E
1. Fatigue
2. Weakness
3. Headache
4. Nausea
5. Diarrhoea
6. Blurred vision
7. Flatulence


Contra-indications of Vitamin E
1. Hypersensitivity to the drug
2. Should not administer intravenously
Special Precautions while taking Vitamin E
1. Hepatic impairment
2. Gall bladder disease
3. Along with estrogens
Pregnancy Related Information
May be used
Old Age Related Information
N/A
Breast Feeding Related Information
May be used
Children Related Information
N/A
Indications for Vitamin E
1. Vitamin E deficiency
2. Intermittent claudication
3. Nocturnal muscle cramps
4. Coronary artery disease
5. Fibrocystic breast disease
6. Cystic fibrosis
7. In premature infants exposed to high concentration of oxygen
8. As antioxidant


Interactions for Vitamin E
Oral anticoagulants : Hypoprothrombinemic effect may be increased with possibility of bleeding.

Typical Dosage for Vitamin E
Oral:
Vitamin E deficiency:
Adults: 40 to 50mg/day or 60 to 75i.u. daily based on the severity of deficiency.
Children: 1 unit/kg/day.
Premature neonates: 5units daily.
Full term neonates: 5 units per liter of formula.
Intermittent claudication: 400mg/day for 12 to 18 weeks.
Nocturnal muscle cramps: 400mg/day for 8 to 12 weeks.
Coronary artery disease: 100 to 200mg/day for at least 2 years.
Fibrocystic breast disease: 600mg/day for at least 2years.
Cystic fibrosis: 100 to 200mg/day.
Children above 1 year: 100mg/day.
Children below 1year: 50mg/day.



Schedule of Vitamin E
C1
Storage Requirements for Vitamin E
Store in a well closed container in a cool dry place. Protect from light.
Effects of Missed Dosage of Vitamin E
Take the missed dose as soon as noticed and if it is the time for next dose then skip the missed dose. Continue the regular schedule. Do not double the dose.
Effects of Overdose of Vitamin E
Provide supportive measures and symptomatic treatment.

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