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Vitamin B complex

B Vitamins - the group of water soluble vitamins essential for the normal functioning are not usually produced by our bodies and require to be replenished regularly.

Vitamin B1 - Thiamine
Vitamin B2 - Riboflavin
Vitamin B3 - Niacin, Niacinamide
Vitamin B5 - Pantothenic acid
Vitamin B6 - Pyridoxine
Vitamin B7 - Biotin
Vitamin B9 - Folic Acid
Vitamin B12 - Cyanocobalamin


Some Vitamin B Complex formulations, in addition to the above major B Vitamins, may contain Inositol, choline bitartrate and Para Amino Benzoic Acid - PABA.


Vitamin B1

Vitamin B1 or thiamine helps the body convert carbohydrates into energy and it is necessary for the heart muscles, nervous system and brain to function properly. Very low levels of Vitamin B1 can lead to Beriberi - a cardiovascular and neurological disease. Deficiency of Vitamin B1 can cause weight loss and weakness. Fortified breads, cereals, pasta, meat, fish, dried beans, leafy vegetables, whole grains, egg yolk, soy foods and peas contain Vitamin B1. Brewer's yeast is a natural source high in thiamine.

RDA - Recommended Daily Allowance:

Adults - Men: 1.2 mg
Adults - Women: 1.1 mg
Pregnant Women: 1.4 mg
Breastfeeding Women: 1.5 mg

Vitamin B1 is generally well tolerated and rarely produces adverse side effects with high doses. Deficiency of Vitamin B1 can result in Beriberi ( literally 'I can't' in Sinhalese language) - a disease with the symptoms of loss of appetite, weakness, irritability, tingling of nerves, poor muscles coordination and muscular pain in the calves. This disease is due to poor metabolization of glucose.


Vitamin B2

This is essential for converting carbohydrates into energy and produce red blood cells. Significantly, this vitamin is important for vision. Vitamin B2 or Riboflavin is essential for fat and protein metabolization. Vitamin B2 boosts the immune system, maintains healthy hair and helps functioning of the nervous system. Deficiency of Vitamin B2 can lead to acne, muscle cramps, carpal tunnel syndrome and migraine headache. Best natural sources of Riboflavin are meat, eggs, legumes, nuts, dairy products, green leafy vegetables, broccoli, asparagus, and fortified cereals.

RDA - Recommended Daily Allowance:

Adults - Men: 1.3 mg
Adults - Women: 1.1 mg
Pregnant Women: 1.4 mg
Breastfeeding Women: 1.6 mg

Vitamin B2 is generally well tolerated and rarely produces adverse side effects like sensitivity to light with high doses. Supplements of Riboflavin can result in bright yellow urine.


Vitamin B3

Food is turned into energy in the body by Niacin. Niacin or Vitamin B3 also helps maintain healthy skin and important nerve functions. The benefits of Vitamin B3 include good blood circulation and brain functioning. Vitamin B3 is also required in order to produce various hormones including progesterone and testosterone. Vitamin B3 - Niacin and its related compounds Nicotinic Acid and Nicotinamide plays an important role in lowering cholesterol levels and aiding widening of arteries. It plays a role in fat, protein and carbohydrate metabolization. Severe deficiency of Vitamin B3 can lead to Pellagra - diarrhea, scaly skin and dementia. This vitamin is naturally found in red meat, poultry, fish, fortified cereals and peanuts.

RDA - Recommended Daily Allowance:

Adults - Men: 16 mg
Adults - Women: 14 mg
Pregnant Women: 18 mg
Breast feeding Women: 17 mg

Vitamin B3 in high doses can result in burning, tingling sensation with/without red flushed skin. Niacin can also trigger hyperglycemia in the case of type 2 diabetes. Humans can synthesize Niacin from the amino acid Tryptophan in the presence of Vitamin B2 and Vitamin B6.


Vitamin B5

Vitamin B5 also known as Pantothenic acid is often used in combination with other B Vitamins in Vitamin B formulations. Vitamin B5 is primarily used for treating dietary deficiencies, acne, alcoholism, allergies, baldness, asthma, attention deficit-hyperactivity disorder (ADHD), autism, burning feet syndrome, yeast infections, heart failure, carpal tunnel syndrome, respiratory disorders, celiac disease, colitis, conjunctivitis, convulsions and cystitis. Some times Vitamin B5 is also used for controlling dandruff, depression,tongue infections, gray hair, headache, hyperactivity, low blood sugar, insomnia, irritability, muscular dystrophy, muscular cramps in the legs associated with pregnancy or alcoholism and improving athletic performance.

RDA - Recommended Daily Allowance:
Adults - Men: 5 mg
Adults - Women: 5 mg
Pregnant Women: 6 mg
Breastfeeding Women: 7 mg
Vitamin B5 is generally well tolerated in moderate doses but may produce adverse side effects like diarrhea with high doses.


Vitamin B6

Important for brain and nerve function, vitamin B6 - Pyridoxine helps the body break down the proteins and produce red blood cells. It is essential in making antibodies, maintaining nerve function and in the production of hemoglobin. Vitamin B6 also has a role in homocysteine metabolism. Vitamin B 6 deficiency leads to confusion, irritability and depression. Potatoes, bananas, beans, nuts, legumes, whole grains and poultry, fish, eggs, spinach and fortified cereals naturally contain Vitamin B6.

RDA - Recommended Daily Allowance:
Adults - Men below 50 years: 1.3 mg
Men - above 50 years: 1.7 mg
Adults - Women Below 50 years: 1.3 mg
Women Above 50 years: 1.5 mg
Pregnant Women: 1.9 mg
Breastfeeding Women: 2 mg

Vitamin B6 is generally well tolerated but may produce neurological disorders with high doses.


Biotin or Vitamin B7: RDA - Recommended Daily Allowance:
Adults: 30 microgram
Biotin deficiency manifests in the form of scaly inflammation of the skin, poor appetite, nausea, vomiting, anemia, depression and general weakness.


Vitamin B9

Folate or Vitamin B9 is folic acid or folacin, that helps to produce red blood cells and it essential for DNA creation. Dried beans, legumes, green leafy vegetables, orange juice, asparagus, fortified bread, rice, and cereals are all good natural sources of Vitamin B9.

RDA - Recommended Daily Allowance:
Adults - Men: 400 mcg
Adults - Women: 400 mcg
Pregnant Women: 600 mcg
Breast feeding Women: 500 mcg

Vitamin B9 is generally well tolerated but may mask a Vitamin B12 deficiency with high doses. Deficiency of Folate can result in Megaloblastic Anemia which is also known as large cell Anemia or Macrocytic Anemia. Deficiency during the time of pregnancy or the period preceding pregnancy may result in neural tube defects in the fetus.


Vitamin B12

Vitamin B12 or cobalamin helps to make red blood cells and is important for brain and nerve cell functions. Vitamin B12 is effective in DNA synthesis, fatty acid synthesis and cell metabolism. Vitamin B 12 is found naturally in fish, red meat, poultry, milk, cheese, and eggs and also breakfast cereals. B12 deficiency leads to pernicious anemia - which manifests in the form of weakness, sore tongue, general apathy, back pain and tingling in the extremities. Vitamin B12 helps maintain a healthy digestive system, healthy skin and hair and protect against high blood pressure and heart disease. Vitamin B 12 helps protect against breast cancer, colon cancer and prostate cancer.

RDA - Recommended Daily Allowance:
Adults - Men: 2.4 mcg
Adults - Women: 2.4 mcg
Pregnant Women: 2.6 mcg
Breast feeding Women: 2.8 mcg

Vitamin B12 is generally well tolerated.


Painkillers

Painkillers are analgesic medications. Pain is experienced when the special nerve endings in that part of the injured body send pain messages to the brain. Painkilling medicines interfere with these messages either at the site of the injury, in the spinal cord or in the brain and block the pain. Painkillers are available in different forms. They can be swallowed as tablets, capsules or liquids. There are painkillers in the form of injection, suppositories, creams or an ointment.


Painkillers - the kind and the effect

Painkiller abuse is on the rise all over the world and the US is possibly the largest consumer of Painkillers. One of the reasons is the easy availability of OTC Painkillers and possibly owing to the drug induced exuberance or 'high' associated with the intake of some kind of narcotic painkillers. The following pages offer a complete insight about the different types of Painkillers and their effects.


Painkiller categories

Pain killer medications are broadly classified into two main groups:

Non-narcotic (non-opioids)
Narcotic (opioid)


Narcotic Painkillers Non-narcotic painkillers
1. Act centrally to relieve pain 1. Act peripherally to ease pain
2. Can cause addiction/dependence 2. Do not cause addiction
3. Form part of schedule II/III controlled drugs 3. Not part of controlled drugs
4. Absence of gastric irritation 4. Possibility of gastric irritation
5. Possibility of sedation, respiratory depression. 5. Possibility of bleeding problems.
6. No anti-inflammatory effect 6. Has anti-inflammatory effect.

Common Non-narcotic painkillers: Non narcotic painkillers include two types, namely Non steroidal anti inflammatory drugs (NSAIDs) and Acetaminophen.

NSAIDs:


Aspirin - Actual drug name : Acetylsalicylic Acid is one of the widest known/used drugs to manage pain and to some extent fevers. With its anti-coagulant properties Aspirin is used for lowering the risk of heart attack and strokes in low doses.

Dosage: For Pain management in Adults: 3 gm per day in divided doses.
Lowering of the risk of heart attack and strokes (Myocardial Infarction - Prophylaxis or Thromboembolic Stroke Prophylaxis): - Single dose between 75 and 325 mg.


Ibuprofen : Another potent Analgesic in the NSAID group, Ibuprofen is useful to treat mild to moderate pain and helps to relieve symptoms of arthritis (osteoarthritis, rheumatoid arthritis or juvenile arthritis), such as inflammation, swelling, stiffness, and joint pain. It is also used as an Antipyretic and for symptomatic treatment of menstrual cramps.

Dosage: For Pain management in Adults: 200 - 400 mg every 4 hours in a day if administered orally. 400 - 800 mg if administered intravenously over a period of 30 minutes every 6 hours.


Naproxen : This NSAID is effective to control pain, stiffness and inflammation associated with conditions like arthritis, ankylosing spondylitis, Tendonitis, bursitis and gout.

Dosage: For Pain management in Adults: 500 mg Naproxen twice daily or in divided doses subject to a maximum of 1 gm per day.


Diclofenac : This NSAID is useful for pain management when there is inflammation such as Arthritis, Dermatomyositis and Ankylosing Spondylitis.

Dosage: For Pain management in Adults: 50mg tablets 3 times a day subject to a maximum of 150mg per day.


Indomethacin : This drug is prescribed for fever, pain, stiffness and swelling especially for relieving symptoms of swelling and pain related to osteoarthritis, rheumatoid arthritis and ankylosing spondylitis. Indomethacin is effective also to treat acute shoulder pain and gouty arthritis.

Dosage: For Pain management in Adults: 25 - 50 mg every 8 hours subject to a maximum of 150 - 200 mg per day depending upon the severity of the pain.


Celecoxib: is used for rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, juvenile arthritis and menstrual pain.
Dosage:For Pain management in Adults: 200 mg once per day.


Narcotic painkillers:


  • Codeine
  • Fentanyl
  • Meperidine
  • Morphine
  • Oxycodone
  • Tramadol
  • Hydrocodone
  • Hydromorphone

NSAIDs provide relief from pain associated with inflammation. They are commonly used for headaches, fever, dental pain, dysmenorrhea, bone pain, arthritis and muscle aches. If prescribed alone, NSAID relieves slight to moderate pain and for moderate to severe pain relief, NSAIDs are used in combination with opioids. Some NSAID can be purchased over-the-counter and does not require a prescription from a medical doctor. Do not use this class of drug immediately before or after Coronary Artery Bypass Graft (CABG). Generally NSAIDs are not advisable when Dengue fever is present as this class of analgesics may induce capillary leakage which can lead to hemoconcentration and serous effusions resulting in circulatory collapse.


Acetaminophen: is available under many trade names. e.g.; Tylenol, Panadol
Paracetamol

Being an Analgesic and an Antipyretic (drug to reduce fever), Paracetamol (Acetaminophen) is used to treat many conditions such as headaches, muscles aches, arthritis, backache, toothaches, colds and fever caused by infection. Acetaminophen is available in the form of chewable tablets, capsules, liquid as well as in the form of suppositories. Acetaminophen can be taken after or before food unless specifically directed by the doctor.


Contraindication: Certain prescription medications when taken along with Paracetamol can cause problems. Paracetamol is not to be used without recommendation from a doctor under any of these circumstances.

  • Liver problems
  • Liver failure
  • Excessive drinking of alcohol
  • Allergy to Acetaminophen

Paracetamol during pregnancy

Paracetamol is not to be used by pregnant women without recommendation from the doctor. Taking Paracetamol while breast feeding can harm a nursing baby as Paracetamol can pass into breast milk. Signs of allergic reaction to Paracetamol include hives, difficulty breathing, and swelling of the face, lips, tongue or throat. Without further delay seek medical help.

Dosage: For Adults: 500 mg tablets every four hours per day subject to a maximum of 4 gms.

Narcotic painkillers: When the OTC painkillers do not provide the much needed relief from pain, narcotic painkillers are prescribed by the doctor. Narcotic are powerful painkillers effective in relieving severe pain. If not taken correctly or as directed by the doctor, narcotic painkillers can have serious side effects.

Codeine

Codeine is used to treat mild to moderately severe pain. It is also used to reduce severe cough and diarrhea. Codeine is available in the form of a tablet, a capsule, and a solution (liquid). Codeine can be taken with or without food. Narcotic medications should never be combined with alcohol as it can lead to dangerous side effects or even death. If there is a history of hypersensitivity to Codeine, it should not be prescribed. Also, Codeine is not to be used under these circumstance:

  • Respiratory depression
  • Acute or severe bronchial asthma or hypercarbia
  • Symptoms of paralytic ileus. (bowel obstruction)
  • Raised intracranial pressure

Codeine during pregnancy

FDA has categorized Codeine in Category C. Pregnant women or women planning to conceive should inform the doctor before using Codeine. If potential benefits outweigh potential risks, Codeine may be recommended for use during pregnancy. Codeine can pass into breast milk and may harm a nursing baby. Mild side effects include dizziness, lightheadedness, headache, drowsiness, mood change, nausea, vomiting, constipation, stomach pain and difficulty urinating. Serious side effects include difficulty in breathing, palpitations, hives, change in vision and seizures.


Fentanyl

Fentanyl is prescribed to treat pain in cancer patients. Fentanyl is particularly used for 'breakthrough pain', pain that is not controlled by other medicines. Fentanyl is usually not prescribed for treating or relieving pain other than cancer related. Fentanil is available in the form of buccal tablet, buccal film, nasal spray, oral transmucosal lozenge, transdermal film extended release. Fentanyl is not for casual use as this drug is far more potent than Morphine. Do not use this medication to relieve mild, short-term, or sudden pain.


Fentanyl is contraindicated for select health conditions and circumstances. Those with a known history of substance abuse should keep away from Fentanyl. If MAOI has been taken within 14 days, Fentanyl should be avoided as it may cause seizures, hyperthermia, and hypertension and in serious cases loss of life.

  • Intolerance to any of the drug component.
  • Hypotension
  • Hypersensitivity
  • Head injury
  • Myasthenia Gravis
  • Hypovolemia

Fentanyl during pregnancy

FDA has categorized Fentanyl in Category C. Pregnant women or women planning to conceive should inform the doctor before using Fentanyl. There is a possibility of addiction or withdrawal symptoms in newborns if the pregnant mother takes Fentanyl during pregnancy.


Meperidine

Meperidine (or Pethidine as it is commonly known)is prescribed to ease moderate to severe pain as determined by the doctor. In particular, Meperidine is used to ease pain that is experienced before or during surgery, for pain during labor and delivery. In some cases, Meperidine is prescribed for pain occurring from chronic conditions like sickle cell anemia and some type of cancers. Meperidine is available in the form of tablets as well as oral solution. Meperidine can be taken with or without food or as directed by doctor.

Pethidine is contraindicated in patients who are hypersensitive to Pethidine and those who have received recently. Also, patients who have breathing problems, respiratory depression, paralytic ileus, severe infectious diarrhea should avoid Meperidine. Do not take Meperidine while taking medicines like ritonavir, sibutramine or sodium oxybate.

Meperidine during pregnancy: FDA has categorized Meperidine in Category C. As there is a high possibility of respiratory depression in newborns, Meperidine should not be used in pregnant woman.

Side effects may be mild or severe. Less serious effects of Meperidine include constipation, loss of appetite, headache, feeling weak, dry mouth, excessive sweating, and unusual itching, below normal urinating, loss of interest in sex.


Morphine

Morphine is used for severe pain, cough suppression and sometimes before surgery. In most cases, Morphine is prescribed when the patient requires relief from pain for longer than a few days. Morphine is available in the form of capsules, oral solution, syrup or tablets. It is advantageous to drink plenty of liquid while taking Morphine.

Contraindication

Morphine is contraindicated in patients who have undergone surgery unless Morphine was used before surgery.

  • Don't use Morphine in case of allergic reaction to narcotic medicines or narcotic cough medicines that contain codeine, hydrocodone or dihydrocodeine.
  • If prone to asthma attack or a bowel obstruction, Morphine is not to be used.
  • Dangerous drug interaction is possible if Morphine is used within 14 days of using a MAO inhibitor.
  • Morphine is contraindicated in case of an undiagnosed abdominal pain, injuries of the head, chest injuries or depressed respiration and if the person is unconscious.

Morphine during pregnancy

FDA has categorized Morphine as Category C. Pregnant women or women planning to conceive should inform doctor before using Morphine. There is a possibility of addiction or withdrawal symptoms in newborn if the pregnant mother takes Morphine during pregnancy. Morphine can pass into breast milk and may harm a nursing baby.

Morphine side effects

There can be mild and severe side effects of Morphine. Look out for these side effects and remember to discuss with the doctor without delay. Besides these in case of any unusual body response, seek medical attention without delay.

  • Shallow breathing
  • Slow heart rate
  • Seizures
  • Cold clammy skin
  • Severe weakness
  • Trouble swallowing
  • Pale skin
  • Easy bruising
  • Weight loss
  • Constipation
  • Memory problems
  • Disturbed sleeping patterns.


Oxycodone

Similar to Morphine, Oxycodone is used for severe pain, cough suppression and sometimes before surgery. In most cases, Oxycodone is prescribed when the patient requires relief from pain for longer than a few days. Oxycodone is available in the form of a pill and liquid form. Drink plenty of water to avoid constipation. Oxycodone like many other Narcotic Pain Killers can be dangerous if alcohol is consumed. It is contraindicated for Asthma patients or those who suffer from paralytic ileus.

Oxycodone during pregnancy The FDA has assigned category B for Oxycodone. Unless the potential benefits outweigh the risks, Oxycodone is not given to pregnant women as this narcotic drug is habit forming. Though Oxycodone is excreted into breast milk, the potential effects are not well-established.


Tramadol

Tramadol is prescribed to relieve pain and is recommended for short term use only. Tramadol is effective in managing pain for rheumatoid arthritis, fibromyalgia and restless legs syndrome. Tramadol is available in the form of tablets, capsules, liquid and injection form.

Contraindication: Tramadol is contraindicated in patients who are suffering from epilepsy, previous head injury as it can induce seizures. Tramadol should not be prescribed to those with allergic reaction to any narcotic drug. Tramadol should not be taken with other medications like muscle relaxants, anti nausea medicines and anti depressants as it can exacerbate other underlying conditions.


Tramadol during pregnancy

The FDA has categorized Tramadol under category C. There are significant chances of the unborn baby developing problems and hence pregnant woman should not use Tramadol. Further, as Tramadol can pass into breast milk and harm a nursing baby, it should not be used while breast feeding.

Tramadol side effects

Most common side effects of Tramadol are constipation, diarrhea, drowsiness, dry mouth or nausea. If these persist seek medical attention immediately. Some of the serious side effects of Tramadol include severe or mild headaches, difficulty with swallowing, sudden mood swings, seizures, blurred vision, ringing in the ears and colored stools. Contact your doctor or go to the nearest emergency hospital.


Hydrocodone

Hydrocodone - a narcotic analgesic is usually available in combination with other ingredients like Paracetamol which contributes to better effect in pain control. There are Hydrocodone combinations to relieve moderate to severe pain and some to relieve cough. Hydrocodone is available in the form of tablet, capsule, syrup, solution and extended-release capsule as well as extended-release suspension. A normal diet would suffice unless specifically directed by doctor while using Hydrocodone.

Contraindication

Hydrocodone is contraindicated in patients with hypersensitivity to Hydrocodone or any ingredient of the formulation. Those with CNS (Central nervous system) depression and severe respiratory depression should avoid hydrocodone.

Hydrocodone during pregnancy

Hydrocodone is categorized under C by the FDA. As there is certain amount of risk associated, Hydrocodone is prescribed for pregnant women only if the potential benefits outweigh potential risks. Some of the side effects include nausea, headache, chest constriction, irregular heartbeat, allergic reactions and trouble urinating.


Hydromorphone

Hydromorphone is used to treat longer bouts of pain that do not respond to OTC painkillers. Being stronger than Morphine, hydromorphone is preferred to regulate pain from injuries, surgery, cancer and severe migraine headaches. Hydromorphone is normally given through parenteral administration as other ways of administrations result in poor absorption.

Contraindication

Hydromorphone is contraindicated in these circumstances.

  • Allergy to hydromorphone or any other opioid medicines or any other ingredient of this medication.
  • Has acute asthma or any other breathing problem.
  • Has acute respiratory problem or severe central nervous system depression
  • Has pulmonary edema.

Hydromorphone during pregnancy

As per FDA classification, Hydromorphone falls under category C. Unless, the potential benefits outweigh potential risks, doctors will not prescribe hydromorphone for pregnant women. Nausea and vomiting are very common side effects that occur initially. Serious side effects of Hydromorphone include allergic reaction, hives, confusion, severe weakness, losing consciousness and seizures. Seek medical attention immediately without any delay.



FDA Pregnancy Categories Drugs are divided into many categories based on the given drug and its effects on the fetus or its mother during pregnancy:


  • Category A: Safe during Pregnancy based on studies on human

  • Category B: Reasonably Safe - based on Animal studies

  • Category C: Animal studies indicate possible risk - but the benefits may necessitate the use despite the risks

  • Category D: Not Safe for fetus

  • Category X: Do NOT use during Pregnancy as the potential for serious side effects is high



AFP Test

AFP Test or Alpha-fetoprotein test is conducted on pregnant women to check the AFP level in the blood. The liver in the fetus produces AFP naturally. Determining the amount of AFP in the mother's blood will help identify any neural tube defect in the fetus. Neural tube defects arise in 2 out of every 1,000 pregnancies. AFP test also helps check for Down's syndrome. There are 60% chances for detecting Down's syndrome when the AFP levels are low in the blood. AFP can also be calculated from the sample of amniotic fluid of a pregnant woman. This screening test is generally performed between 16 and 18 weeks of pregnancy and is very sensitive between 15 and 17 weeks. The accuracy of the AFP test result lies in the exact age of the fetus. The AFT test is also referred to as maternal serum alpha-fetoprotein (MSAFP). AFP test is done on men and non-pregnant women too to confirm cancer in the testicles, stomach, pancreas, liver and the ovaries. High levels of AFP can indicate renal cell cancer.

Interpretation of AFP test results: In men and non-pregnant women, the values of the AFP test is 0-6.4 IU/mL (international units per milliliter), 0-20 nanograms per milliliter (ng/mL) or 0-20 micrograms per liter. In pregnant women of about 15 - 22 weeks gestation, the AFP results usually show 19-75 IU/mL, 7-124 ng/mL or 7-124 microgram per liter. AFP test values vary depending on the weight of the woman and race. Black women have higher values than white women and white women have higher values than Asian women. High AFP can suggest multiple pregnancies, fetus with neural tube defects, and abdominal wall defect in the fetus or fetal death. In non-pregnant adults, high AFP values mean cancer in the testicles or ovaries. High AFP can also indicate liver disease and bowel inflammation.

Tags: #Vitamin B complex #Painkillers #AFP Test
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Collection of Pages - Last revised Date: October 29, 2020